Board-dat/Board-DAT.md
... ...
@@ -297,7 +297,7 @@ MPC cable
297 297
298 298
- [[prototyping-PCB-dat]] - [[MPC1033-dat]]
299 299
300
-- [[prototyping-cable-dat]] - [[cable-prototyping-dat]] - [[protyping-dat]]
300
+- [[prototyping-cable-dat]] - [[cable-prototyping-dat]] - [[protyping-dat]] - [[MPCS050-dat]] - [[MPCS051-dat]]
301 301
302 302
303 303
### MSP
Board-dat/MPC/MPC1033-dat/2026-02-23-15-22-50.png
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Board-dat/MPC/MPC1033-dat/2026-02-23-15-29-11.png
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Board-dat/MPC/MPC1033-dat/2026-02-23-15-30-18.png
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Board-dat/MPC/MPC1033-dat/MPC1033-dat.md
... ...
@@ -2,6 +2,36 @@
2 2
# MPC1033-dat
3 3
4 4
5
+- [[RPI-SBC-dat]] - [[RPI-pin-dat]]
6
+
7
+
8
+
9
+[Raspberry Pi 2 40P Breakout Board Kit](https://www.electrodragon.com/product/raspberry-pi-2-40p-breakout-board-kit/)
10
+
11
+design for [[RPI-SBC-dat]] series 40-pin
12
+
13
+cable use - [[cable-ribbon-dat]] - [[PCA1009-dat]] - [[PCA1011-dat]] - [[PCA1012-dat]]
14
+
15
+
16
+
17
+
18
+
19
+## version V2
20
+
21
+board A and B both included
22
+
23
+board == A
24
+
25
+![](2026-02-23-15-22-50.png)
26
+
27
+pin definitions
28
+
29
+![](2026-02-23-15-29-11.png)
30
+
31
+board == B
32
+
33
+![](2026-02-23-15-30-18.png)
34
+
5 35
## PIns
6 36
7 37
Board-dat/MPC/MPCS050-dat/2026-02-23-16-19-48.png
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Binary files /dev/null and b/Board-dat/MPC/MPCS050-dat/2026-02-23-16-19-48.png differ
Board-dat/MPC/MPCS050-dat/2026-02-23-16-20-33.png
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Board-dat/MPC/MPCS050-dat/MPCS050-dat.md
... ...
@@ -12,8 +12,16 @@
12 12
13 13
version [[CONN-USB-micro-dat]]
14 14
15
+Versions:
16
+- USB-A-Male — Micro USB, current ~ up to 2A, length 1.5 meter
17
+- USB-A-Male — Type-C USB, current ~ up to 3A, length 1.5 meter
15 18
16 19
20
+![](2026-02-23-16-19-48.png)
21
+
22
+
23
+![](2026-02-23-16-20-33.png)
24
+
17 25
18 26
### Board Map, Dimension, Pins, chip info, Use Guide, Setup Jumper, etc.
19 27
Board-dat/MPC/MPCS051-dat/MPCS051-dat.md
... ...
@@ -7,6 +7,16 @@
7 7
8 8
version [[CONN-USB-type-c-dat]]
9 9
10
+[product url - USB Power cable w/Switch [Port]](https://www.electrodragon.com/product/micro-usb-power-cable-2a-for-raspberr-pi/)
11
+
12
+
13
+Versions:
14
+- USB-A-Male — Micro USB, current ~ up to 2A, length 1.5 meter
15
+- USB-A-Male — Type-C USB, current ~ up to 3A, length 1.5 meter
16
+
17
+refer more info at - [[MPCS050-dat]]
18
+
19
+
10 20
11 21
## ref
12 22
Board-dat/NRF/NRF1003-dat/NRF1003-dat.md
... ...
@@ -1,6 +1,12 @@
1 1
2 2
# NRF1003-dat.md
3 3
4
+
5
+
6
+- [[RF-dat]]
7
+
8
+
9
+
4 10
## Info
5 11
6 12
product url - [Press Button Round RF ASK Transmitter 433mhz w/Adhesive](https://www.electrodragon.com/product/press-button-round-rf-ask-transmitter-433mhz-w-adhesive/)
Board-dat/NRF/NRF2001-dat/NRF2001-dat.md
... ...
@@ -0,0 +1,25 @@
1
+
2
+
3
+# NRF2001-dat
4
+
5
+
6
+- [[radio-FM-dat]] - [[NRF2007-dat]] - [[NRF2001-dat]] - [[NRF2004-dat]]
7
+
8
+## Info
9
+
10
+[product url - FM Radio Module RDA5807M](https://www.electrodragon.com/product/fm-radio-module-rda5807m/)
11
+
12
+### Board Map, Dimension, Pins, chip info, Use Guide, Setup Jumper, etc.
13
+
14
+## Applications, category, tags, etc.
15
+
16
+## Demo Code and Video
17
+
18
+## ref
19
+
20
+- [[NRF2001]]
21
+
22
+- legacy wiki page
23
+
24
+https://www.electrodragon.com/w/FM_Radio_Module_RDA5807M
25
+
Board-dat/NRF/NRF2004-dat/NRF2004-dat.md
... ...
@@ -0,0 +1,26 @@
1
+
2
+
3
+# NRF2004-dat
4
+
5
+
6
+- [[radio-FM-dat]] - [[NRF2007-dat]] - [[NRF2001-dat]] - [[NRF2004-dat]]
7
+
8
+
9
+
10
+## Info
11
+
12
+[product url - FM Radio Module 1310, 64-108Mhz, W/o MCU](https://www.electrodragon.com/product/fm-radio-module-64-108mhz-wo-mcu/)
13
+
14
+### Board Map, Dimension, Pins, chip info, Use Guide, Setup Jumper, etc.
15
+
16
+## Applications, category, tags, etc.
17
+
18
+## Demo Code and Video
19
+
20
+## ref
21
+
22
+- [[NRF2004]]
23
+
24
+- legacy wiki page
25
+
26
+https://www.electrodragon.com/w/FM_Radio_Module_1310,_64-108Mhz,_W/o_MCU
... ...
\ No newline at end of file
Board-dat/NRF/NRF2007-dat/NRF2007-dat.md
... ...
@@ -3,7 +3,11 @@
3 3
4 4
5 5
6
-- [[radio-dat]] - [[RF-dat]] - [[FM-dat]]
6
+- [[radio-dat]] - [[RF-dat]] - [[Fine-Made-dat]]
7
+
8
+- [[radio-FM-dat]] - [[NRF1003-dat]] - [[NRF2007-dat]] - [[NRF2003-dat]]
9
+
10
+[TEA5767 FM Radio Module](https://www.electrodragon.com/product/philips-tea5767-fm-radio-moduleschematic/)
7 11
8 12
9 13
... ...
@@ -33,6 +37,6 @@ For example, MP3PLAYER, MD, CD/MP3PLAYER, PORTABLVCD/DVD, MOBILEPHONE, PDA, elec
33 37
34 38
## ref
35 39
36
-- [[TEA5767-dat]] - [[FM-dat]]
40
+- [[TEA5767-dat]] - [[Fine-Made-dat]]
37 41
38 42
- [[NRF2007]]
... ...
\ No newline at end of file
Board-dat/NWI/NWI1155-DAT/NWI1155-DAT.md
... ...
@@ -1,4 +1,18 @@
1 1
2 2
3
-ESP-WROOM-32, ESP32 WIFI+BT+BLE Module-ESP32-WROOM-32D
3
+# NWI1155-dat
4 4
5
+- [[ESP32-dat]] - [[ESP32-modules-dat]] - [[ESP32-WROOM-dat]]
6
+
7
+- [[NWI1194-dat]] - [[NWI1155-dat]] - [[NWI1110-dat]]
8
+
9
+
10
+
11
+
12
+[ESP-WROOM-32, ESP32 WIFI+BT+BLE Module-ESP32-WROOM-32D](https://www.electrodragon.com/product/wroom-32/)
13
+
14
+
15
+
16
+## ref
17
+
18
+- [[NWI1155]]
... ...
\ No newline at end of file
Board-dat/NWI/NWI1157-DAT/NWI1157-DAT.md
... ...
@@ -1,2 +1,15 @@
1 1
2
+
3
+
4
+# NWI1157-dat
5
+
6
+- [[ESP32-dat]] - [[ESP32-modules-dat]] - [[ESP32-WROOM-dat]]
7
+
8
+- [[NWI1194-dat]] - [[NWI1195-dat]] - [[NWI1155-dat]] - [[NWI1110-dat]]
9
+
10
+- [[NWI1157-dat]] - [[NWI1196-dat]] - [[NWI1197-dat]]
11
+
12
+[ESP-WROOM-32, ESP32 WIFI+BT+BLE Module-ESP32-WROOM-32D](https://www.electrodragon.com/product/wroom-32/)
13
+
14
+
2 15
ESP-WROOM-32, ESP32 WIFI+BT+BLE Module-ESP32-WROOM-32U
... ...
\ No newline at end of file
Board-dat/NWI/NWI1194-dat/NWI1194-dat.md
... ...
@@ -5,6 +5,14 @@ ESP32-WROOM-32D N8 = 64Mb = 8MB
5 5
6 6
- [[ESP32-WROOM-DAT]]
7 7
8
+- [[ESP32-dat]] - [[ESP32-modules-dat]] - [[ESP32-WROOM-dat]]
9
+
10
+- [[NWI1194-dat]] - [[NWI1195-dat]] - [[NWI1155-dat]] - [[NWI1110-dat]]
11
+
12
+- [[NWI1157-dat]] - [[NWI1196-dat]] - [[NWI1197-dat]]
13
+
14
+[ESP-WROOM-32, ESP32 WIFI+BT+BLE Module-ESP32-WROOM-32D](https://www.electrodragon.com/product/wroom-32/)
15
+
8 16
9 17
## ref
10 18
Board-dat/NWI/NWI1195-DAT/NWI1195-DAT.md
... ...
@@ -1,2 +1,15 @@
1 1
2
+
3
+# NWI1195-dat
4
+
5
+- [[ESP32-dat]] - [[ESP32-modules-dat]] - [[ESP32-WROOM-dat]]
6
+
7
+- [[NWI1194-dat]] - [[NWI1195-dat]] - [[NWI1155-dat]] - [[NWI1110-dat]]
8
+
9
+- [[NWI1157-dat]] - [[NWI1196-dat]] - [[NWI1197-dat]]
10
+
11
+[ESP-WROOM-32, ESP32 WIFI+BT+BLE Module-ESP32-WROOM-32D](https://www.electrodragon.com/product/wroom-32/)
12
+
13
+
14
+
2 15
ESP-WROOM-32D (128Mbit) = 16MB
... ...
\ No newline at end of file
Board-dat/NWI/NWI1197-dat/NWI1197-DAT.md
... ...
@@ -1,5 +1,17 @@
1 1
2
-# NWI1197 dat
2
+# NWI1197-dat
3
+
4
+- [[ESP32-dat]] - [[ESP32-modules-dat]] - [[ESP32-WROOM-dat]]
5
+
6
+- [[NWI1194-dat]] - [[NWI1195-dat]] - [[NWI1155-dat]] - [[NWI1110-dat]]
7
+
8
+- [[NWI1157-dat]] - [[NWI1196-dat]] - [[NWI1197-dat]]
9
+
10
+[ESP-WROOM-32, ESP32 WIFI+BT+BLE Module-ESP32-WROOM-32D](https://www.electrodragon.com/product/wroom-32/)
11
+
12
+
13
+
14
+
3 15
ESP32-WROOM-32U - 16MB = 128Mbit
4 16
5 17
- [[ESP32-WROOM-DAT]]
Board-dat/PCA/PCA1009-dat/PCA1009-dat.md
... ...
@@ -0,0 +1,24 @@
1
+
2
+
3
+# PCA1009-dat
4
+
5
+
6
+- [[cable-ribbon-dat]] - [[PCA1009-dat]] - [[PCA1011-dat]] - [[PCA1012-dat]]
7
+
8
+
9
+
10
+## Info
11
+
12
+[product url - 2PCs Connection Cable [Pins]](https://w2.electrodragon.com/gollum/search?q=MPC1033-dat.md)
13
+
14
+### Board Map, Dimension, Pins, chip info, Use Guide, Setup Jumper, etc.
15
+
16
+## Applications, category, tags, etc.
17
+
18
+## Demo Code and Video
19
+
20
+## ref
21
+
22
+- [[PCA1009]]
23
+
24
+- legacy wiki page
Board-dat/STH/STH1033-dat/STH1033-dat.md
... ...
@@ -12,6 +12,6 @@
12 12
13 13
## ref
14 14
15
-
15
+- [[STH1033]]
16 16
17 17
- [[sensor-temperature-dat]]
Chip-cn-dat/Espressif-dat/ESP32-dat/ESP32-modules-dat/ESP32-WROOM-DAT/ESP32-WROOM-DAT.md
... ...
@@ -3,6 +3,15 @@
3 3
# ESP32-WROOM-DAT
4 4
5 5
6
+
7
+- [[ESP32-dat]] - [[ESP32-modules-dat]] - [[ESP32-WROOM-dat]]
8
+
9
+- [[NWI1194-dat]] - [[NWI1195-dat]] - [[NWI1155-dat]] - [[NWI1110-dat]]
10
+
11
+- [[NWI1157-dat]] - [[NWI1196-dat]] - [[NWI1197-dat]]
12
+
13
+
14
+
6 15
https://www.electrodragon.com/product/wroom-32/
7 16
8 17
## Version compare 32E / 32D / 32U
Chip-cn-dat/FM-dat/2026-02-13-13-29-27.png
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Chip-cn-dat/FM-dat/2026-02-13-13-29-54.png
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Chip-cn-dat/FM-dat/FM-dat.md
... ...
@@ -1,84 +0,0 @@
1
-# FM-dat.md
2
-
3
-== fine made
4
-
5
-
6
-- 锂电池电压平衡控制IC
7
-- 高精度单节保护系列
8
-- 普通单节保护系列
9
-- 单节保护二合一系列
10
-- 双节&多节保护系列
11
-
12
-
13
-
14
-## Multiple-series protector (translated table)
15
-
16
-| Model | Package | Overcharge Protect V (V) | Overcharge Recover V (V) | Overdischarge Protect V (V) | Overdischarge Recover V (V) | Discharge OCP Detect (mV) | Charge OCP Detect (mV) | Short-circuit Detect V (V) | Other features | Cell count |
17
-| --------------- | -------- | -----------------------: | -----------------------: | --------------------------: | --------------------------: | ------------------------: | ---------------------: | -------------------------: | ---------------------------------------- | ----------: |
18
-| TC2120-CB | SOT23-6 | 4.28 ±0.025 | 4.08 ±0.05 | 2.90 ±0.08 | 3.00 ±0.10 | 200 ±30 | -210 ±30 | 1.0 ±0.4 | 0V charge / sleep function | 2 cells |
19
-| TC2120-DB | SOT23-6 | 4.28 ±0.025 | 4.08 ±0.05 | 2.25 ±0.08 | 2.95 ±0.10 | 200 ±30 | -210 ±30 | 1.0 ±0.4 | 0V charge / sleep function | 2 cells |
20
-| TC2120-HB | SOT23-6 | 4.40 ±0.025 | 4.18 ±0.05 | 3.00 ±0.08 | 3.10 ±0.10 | 200 ±30 | -210 ±30 | 1.0 ±0.4 | 0V charge / sleep function | 2 cells |
21
-| TC2120-LB | SOT23-6 | 4.225 ±0.025 | 4.10 ±0.05 | 2.50 ±0.08 | 3.00 ±0.10 | 200 ±30 | -170 ±30 | 1.0 ±0.4 | 0V charge / sleep function | 2 cells |
22
-| TC2120-FB | SOT23-6 | 4.30 ±0.025 | 4.10 ±0.05 | 2.90 ±0.08 | 3.00 ±0.10 | 200 ±30 | -210 ±30 | 1.0 ±0.4 | 0V charge / sleep function | 2 cells |
23
-| TC2120-NB | SOT23-6 | 4.28 ±0.025 | 4.08 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 200 ±30 | -210 ±30 | 1.0 ±0.4 | 0V charge / auto over‑discharge recovery | 2 cells |
24
-| FM702A | SOT23-6 | 4.35 ±0.025 | 4.15 ±0.05 | 2.30 ±0.08 | 3.00 ±0.10 | 200 ±30 | -150 ±30 | 1.2 ±0.4 | 0V charge / auto over‑discharge recovery | N/A |
25
-| FM7021CB | SOT23-6 | 4.28 ±0.025 | 4.08 ±0.05 | 2.90 ±0.08 | 3.00 ±0.10 | 200 ±30 | -170 ±50 | 1.0 ±0.4 | 0V charge / auto over‑discharge recovery | N/A |
26
-| FM7021DB | SOT23-6 | 4.28 ±0.025 | 4.08 ±0.05 | 2.25 ±0.08 | 2.95 ±0.10 | 200 ±30 | -170 ±50 | 1.0 ±0.4 | 0V charge / auto over‑discharge recovery | N/A |
27
-| FM7021NB | SOT23-6 | 4.28 ±0.025 | 4.08 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 200 ±30 | -170 ±50 | 1.0 ±0.4 | 0V charge / auto over‑discharge recovery | N/A |
28
-| FM7021HB | SOT23-6 | 4.40 ±0.025 | 4.18 ±0.05 | 3.00 ±0.08 | 3.10 ±0.10 | 200 ±30 | -170 ±50 | 1.0 ±0.4 | 0V charge / auto over‑discharge recovery | N/A |
29
-| FM7021LB | SOT23-6 | 4.225 ±0.025 | 4.10 ±0.05 | 2.50 ±0.08 | 3.00 ±0.10 | 200 ±30 | -170 ±50 | 1.0 ±0.4 | 0V charge / auto over‑discharge recovery | N/A |
30
-| FM8254AAV | TSSOP-16 | 4.25 ±0.025 | 4.15 ±0.08 | 2.70 ±0.08 | 3.00 ±0.10 | 200 ±25 | / | 1.1 ±0.3 | 0V charge / sleep function | 3/4 cells |
31
-| FM3450C | SOP-8 | 4.25 ±0.025 | 4.10 ±0.08 | 2.70 ±0.08 | 3.00 ±0.10 | 100 ±10 | / | 0.450 ±0.10 | None | 3 cells |
32
-| FM03CA | SOP-8 | 4.25 ±0.025 | 4.10 ±0.08 | 2.70 ±0.08 | 3.00 ±0.10 | 100 ±10 | -50 ±15 | 0.450 ±0.10 | Sleep function | 3 cells |
33
-| 3452D | SOP-16 | 4.25 ±0.025 | 4.10 ±0.08 | 2.70 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 3 cells |
34
-| FM03S | TSSOP-16 | 4.25 ±0.025 | 4.10 ±0.08 | 2.70 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 3 cells |
35
-| TC3451T (FM04S) | TSSOP-16 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 4 cells |
36
-| FM05S-16S | TSSOP-16 | 4.25 ±0.025 | 4.16 ±0.05 | 2.50 ±0.08 | 2.90 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 5 cells |
37
-| FM05S-16 | SOP-16 | 4.25 ±0.025 | 4.16 ±0.05 | 2.50 ±0.08 | 2.90 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 5 cells |
38
-| FM3551 | TSSOP-20 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Reduced sense resistor | 4/5 cells |
39
-| FM3551R | TSSOP-20 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.4 ±0.10 | Cascadeable | 4/5 cells |
40
-| FM3551-S14A | SOP-14 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Reduced sense resistor | 5 cells |
41
-| FM3551-S16A | SOP-16 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Reduced sense resistor | 5 cells |
42
-| FM3551-T14A | TSSOP-14 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Reduced sense resistor | 5 cells |
43
-| FM3551-T16A | TSSOP-16 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Reduced sense resistor | 5 cells |
44
-| FM05S | TSSOP-20 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 4/5 cells |
45
-| FM05PF | TSSOP-20 | 3.75 ±0.025 | 3.60 ±0.07 | 2.20 ±0.08 | 2.40 ±0.10 | 100 ±15 | -50 ±15 | 0.4 ±0.10 | Sleep function | 4/5 cells |
46
-| FM06S | SSOP-24 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 6 cells |
47
-| FM07S | SSOP-24 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 7 cells |
48
-| FM10S | SSOP-24 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 10 cells |
49
-| FM15S | QFN-48 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 12–15 cells |
50
-| FM15L | QFN-48 | 3.85 ±0.025 | 3.75 ±0.05 | 2.00 ±0.08 | 2.50 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 12–15 cells |
51
-| FM20S | QFN-64 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 16–20 cells |
52
-| FM3757 | TSSOP-16 | 4.25 ±0.015 | 4.15 ±0.05 | 2.70 ±0.05 | 3.00 ±0.08 | 50 ±5 | -25 ±5 | 0.2 ±0.04 | With balancing | 7 cells |
53
-| FM3754 | TSSOP-16 | 4.25 ±0.015 | 4.15 ±0.05 | 2.70 ±0.05 | 3.00 ±0.08 | 50 ±5 | -25 ±5 | 0.2 ±0.04 | With balancing | 4 cells |
54
-| FM3755 | TSSOP-16 | 4.25 ±0.015 | 4.15 ±0.05 | 2.70 ±0.05 | 3.00 ±0.08 | 50 ±5 | -25 ±5 | 0.2 ±0.04 | With balancing | 5 cells |
55
-| FM3756 | TSSOP-16 | 4.25 ±0.015 | 4.15 ±0.05 | 2.70 ±0.05 | 3.00 ±0.08 | 50 ±5 | -25 ±5 | 0.2 ±0.04 | With balancing | 6 cells |
56
-| FM3551R-S16A | SOP-16 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.4 ±0.10 | Cascadeable | 4/5 cells |
57
-| FM6022 | SOP-10 | 4.225 | 4.025 | 2.700 | 3.000 | 0.100 | -0.100 | 0.4 ±0.10 | / | 2 cells |
58
-| FM03DB | SOP-8 | 4.250 | 4.050 | 2.700 | 3.000 | 0.100 | -0.065 | 0.400 | | 3 cells |
59
-| FM8254B | TSSOP-16 | 4.25 ±0.025 | 4.15 ±0.08 | 2.70 ±0.08 | 3.0 ±0.1 | 200 ±25 | / | 1.1 ±0.3 | 0V charge / sleep function | 3/4 cells |
60
-| TC2135 | SOP-10 | 4.225 ±0.025 | 4.10 ±0.05 | 2.700 ±0.08 | 3.00 ±0.10 | 100 ±5 | / | 0.200 ±0.04 | / | 5 cells |
61
-
62
-## FM7021
63
-
64
-FM7021 是一款内置高精度电压检测电路和延时电路，适用于 2 节串联锂离子/锂聚合物可再充电电池的保护 IC。
65
-
66
-此 IC 适合于对 2 节串联可再充电锂离子/锂聚合物电池的过充电、过放电、过电流、负载短路进行保护。
67
-
68
-应用领域
69
--  2 节串联锂离子可再充电电池组
70
--  2 节串联锂聚合物可再充电电池组
71
-
72
-![](2026-02-13-13-29-27.png)
73
-
74
-real board
75
-
76
-![](2026-02-13-13-29-54.png)
77
-
78
-
79
-
80
-
81
-
82
-## ref
83
-
84
-- [[battery-protector-dat]] - [[battery-protector]]
... ...
\ No newline at end of file
Chip-cn-dat/Fine-Made-dat/2026-02-13-13-29-27.png
... ...
Binary files /dev/null and b/Chip-cn-dat/Fine-Made-dat/2026-02-13-13-29-27.png differ
Chip-cn-dat/Fine-Made-dat/2026-02-13-13-29-54.png
... ...
Binary files /dev/null and b/Chip-cn-dat/Fine-Made-dat/2026-02-13-13-29-54.png differ
Chip-cn-dat/Fine-Made-dat/Fine-Made-dat.md
... ...
@@ -0,0 +1,84 @@
1
+# s.md
2
+
3
+== fine made
4
+
5
+
6
+- 锂电池电压平衡控制IC
7
+- 高精度单节保护系列
8
+- 普通单节保护系列
9
+- 单节保护二合一系列
10
+- 双节&多节保护系列
11
+
12
+
13
+
14
+## Multiple-series protector (translated table)
15
+
16
+| Model | Package | Overcharge Protect V (V) | Overcharge Recover V (V) | Overdischarge Protect V (V) | Overdischarge Recover V (V) | Discharge OCP Detect (mV) | Charge OCP Detect (mV) | Short-circuit Detect V (V) | Other features | Cell count |
17
+| --------------- | -------- | -----------------------: | -----------------------: | --------------------------: | --------------------------: | ------------------------: | ---------------------: | -------------------------: | ---------------------------------------- | ----------: |
18
+| TC2120-CB | SOT23-6 | 4.28 ±0.025 | 4.08 ±0.05 | 2.90 ±0.08 | 3.00 ±0.10 | 200 ±30 | -210 ±30 | 1.0 ±0.4 | 0V charge / sleep function | 2 cells |
19
+| TC2120-DB | SOT23-6 | 4.28 ±0.025 | 4.08 ±0.05 | 2.25 ±0.08 | 2.95 ±0.10 | 200 ±30 | -210 ±30 | 1.0 ±0.4 | 0V charge / sleep function | 2 cells |
20
+| TC2120-HB | SOT23-6 | 4.40 ±0.025 | 4.18 ±0.05 | 3.00 ±0.08 | 3.10 ±0.10 | 200 ±30 | -210 ±30 | 1.0 ±0.4 | 0V charge / sleep function | 2 cells |
21
+| TC2120-LB | SOT23-6 | 4.225 ±0.025 | 4.10 ±0.05 | 2.50 ±0.08 | 3.00 ±0.10 | 200 ±30 | -170 ±30 | 1.0 ±0.4 | 0V charge / sleep function | 2 cells |
22
+| TC2120-FB | SOT23-6 | 4.30 ±0.025 | 4.10 ±0.05 | 2.90 ±0.08 | 3.00 ±0.10 | 200 ±30 | -210 ±30 | 1.0 ±0.4 | 0V charge / sleep function | 2 cells |
23
+| TC2120-NB | SOT23-6 | 4.28 ±0.025 | 4.08 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 200 ±30 | -210 ±30 | 1.0 ±0.4 | 0V charge / auto over‑discharge recovery | 2 cells |
24
+| FM702A | SOT23-6 | 4.35 ±0.025 | 4.15 ±0.05 | 2.30 ±0.08 | 3.00 ±0.10 | 200 ±30 | -150 ±30 | 1.2 ±0.4 | 0V charge / auto over‑discharge recovery | N/A |
25
+| FM7021CB | SOT23-6 | 4.28 ±0.025 | 4.08 ±0.05 | 2.90 ±0.08 | 3.00 ±0.10 | 200 ±30 | -170 ±50 | 1.0 ±0.4 | 0V charge / auto over‑discharge recovery | N/A |
26
+| FM7021DB | SOT23-6 | 4.28 ±0.025 | 4.08 ±0.05 | 2.25 ±0.08 | 2.95 ±0.10 | 200 ±30 | -170 ±50 | 1.0 ±0.4 | 0V charge / auto over‑discharge recovery | N/A |
27
+| FM7021NB | SOT23-6 | 4.28 ±0.025 | 4.08 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 200 ±30 | -170 ±50 | 1.0 ±0.4 | 0V charge / auto over‑discharge recovery | N/A |
28
+| FM7021HB | SOT23-6 | 4.40 ±0.025 | 4.18 ±0.05 | 3.00 ±0.08 | 3.10 ±0.10 | 200 ±30 | -170 ±50 | 1.0 ±0.4 | 0V charge / auto over‑discharge recovery | N/A |
29
+| FM7021LB | SOT23-6 | 4.225 ±0.025 | 4.10 ±0.05 | 2.50 ±0.08 | 3.00 ±0.10 | 200 ±30 | -170 ±50 | 1.0 ±0.4 | 0V charge / auto over‑discharge recovery | N/A |
30
+| FM8254AAV | TSSOP-16 | 4.25 ±0.025 | 4.15 ±0.08 | 2.70 ±0.08 | 3.00 ±0.10 | 200 ±25 | / | 1.1 ±0.3 | 0V charge / sleep function | 3/4 cells |
31
+| FM3450C | SOP-8 | 4.25 ±0.025 | 4.10 ±0.08 | 2.70 ±0.08 | 3.00 ±0.10 | 100 ±10 | / | 0.450 ±0.10 | None | 3 cells |
32
+| FM03CA | SOP-8 | 4.25 ±0.025 | 4.10 ±0.08 | 2.70 ±0.08 | 3.00 ±0.10 | 100 ±10 | -50 ±15 | 0.450 ±0.10 | Sleep function | 3 cells |
33
+| 3452D | SOP-16 | 4.25 ±0.025 | 4.10 ±0.08 | 2.70 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 3 cells |
34
+| FM03S | TSSOP-16 | 4.25 ±0.025 | 4.10 ±0.08 | 2.70 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 3 cells |
35
+| TC3451T (FM04S) | TSSOP-16 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 4 cells |
36
+| FM05S-16S | TSSOP-16 | 4.25 ±0.025 | 4.16 ±0.05 | 2.50 ±0.08 | 2.90 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 5 cells |
37
+| FM05S-16 | SOP-16 | 4.25 ±0.025 | 4.16 ±0.05 | 2.50 ±0.08 | 2.90 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 5 cells |
38
+| FM3551 | TSSOP-20 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Reduced sense resistor | 4/5 cells |
39
+| FM3551R | TSSOP-20 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.4 ±0.10 | Cascadeable | 4/5 cells |
40
+| FM3551-S14A | SOP-14 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Reduced sense resistor | 5 cells |
41
+| FM3551-S16A | SOP-16 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Reduced sense resistor | 5 cells |
42
+| FM3551-T14A | TSSOP-14 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Reduced sense resistor | 5 cells |
43
+| FM3551-T16A | TSSOP-16 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Reduced sense resistor | 5 cells |
44
+| FM05S | TSSOP-20 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 4/5 cells |
45
+| FM05PF | TSSOP-20 | 3.75 ±0.025 | 3.60 ±0.07 | 2.20 ±0.08 | 2.40 ±0.10 | 100 ±15 | -50 ±15 | 0.4 ±0.10 | Sleep function | 4/5 cells |
46
+| FM06S | SSOP-24 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 6 cells |
47
+| FM07S | SSOP-24 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 7 cells |
48
+| FM10S | SSOP-24 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 10 cells |
49
+| FM15S | QFN-48 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 12–15 cells |
50
+| FM15L | QFN-48 | 3.85 ±0.025 | 3.75 ±0.05 | 2.00 ±0.08 | 2.50 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 12–15 cells |
51
+| FM20S | QFN-64 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.8 ±0.16 | Sleep function | 16–20 cells |
52
+| FM3757 | TSSOP-16 | 4.25 ±0.015 | 4.15 ±0.05 | 2.70 ±0.05 | 3.00 ±0.08 | 50 ±5 | -25 ±5 | 0.2 ±0.04 | With balancing | 7 cells |
53
+| FM3754 | TSSOP-16 | 4.25 ±0.015 | 4.15 ±0.05 | 2.70 ±0.05 | 3.00 ±0.08 | 50 ±5 | -25 ±5 | 0.2 ±0.04 | With balancing | 4 cells |
54
+| FM3755 | TSSOP-16 | 4.25 ±0.015 | 4.15 ±0.05 | 2.70 ±0.05 | 3.00 ±0.08 | 50 ±5 | -25 ±5 | 0.2 ±0.04 | With balancing | 5 cells |
55
+| FM3756 | TSSOP-16 | 4.25 ±0.015 | 4.15 ±0.05 | 2.70 ±0.05 | 3.00 ±0.08 | 50 ±5 | -25 ±5 | 0.2 ±0.04 | With balancing | 6 cells |
56
+| FM3551R-S16A | SOP-16 | 4.25 ±0.025 | 4.10 ±0.05 | 2.80 ±0.08 | 3.00 ±0.10 | 100 ±15 | -50 ±15 | 0.4 ±0.10 | Cascadeable | 4/5 cells |
57
+| FM6022 | SOP-10 | 4.225 | 4.025 | 2.700 | 3.000 | 0.100 | -0.100 | 0.4 ±0.10 | / | 2 cells |
58
+| FM03DB | SOP-8 | 4.250 | 4.050 | 2.700 | 3.000 | 0.100 | -0.065 | 0.400 | | 3 cells |
59
+| FM8254B | TSSOP-16 | 4.25 ±0.025 | 4.15 ±0.08 | 2.70 ±0.08 | 3.0 ±0.1 | 200 ±25 | / | 1.1 ±0.3 | 0V charge / sleep function | 3/4 cells |
60
+| TC2135 | SOP-10 | 4.225 ±0.025 | 4.10 ±0.05 | 2.700 ±0.08 | 3.00 ±0.10 | 100 ±5 | / | 0.200 ±0.04 | / | 5 cells |
61
+
62
+## FM7021
63
+
64
+FM7021 是一款内置高精度电压检测电路和延时电路，适用于 2 节串联锂离子/锂聚合物可再充电电池的保护 IC。
65
+
66
+此 IC 适合于对 2 节串联可再充电锂离子/锂聚合物电池的过充电、过放电、过电流、负载短路进行保护。
67
+
68
+应用领域
69
+-  2 节串联锂离子可再充电电池组
70
+-  2 节串联锂聚合物可再充电电池组
71
+
72
+![](2026-02-13-13-29-27.png)
73
+
74
+real board
75
+
76
+![](2026-02-13-13-29-54.png)
77
+
78
+
79
+
80
+
81
+
82
+## ref
83
+
84
+- [[battery-protector-dat]] - [[battery-protector]]
... ...
\ No newline at end of file
Chip-cn-dat/RDA-dat/RDA-dat.md
... ...
@@ -1,7 +1,7 @@
1 1
2 2
# RDA-dat
3 3
4
-
4
+- [[RDA5807-dat]] - [[RDA-dat]] - [[radio-FM-dat]] - [[NRF2004-dat]]
5 5
6 6
7 7
## MCU Bluetooth
Chip-cn-dat/injoinic-dat/IP236x-dat/2026-02-23-16-57-36.png
... ...
Binary files /dev/null and b/Chip-cn-dat/injoinic-dat/IP236x-dat/2026-02-23-16-57-36.png differ
Chip-cn-dat/injoinic-dat/IP236x-dat/2026-02-23-16-59-31.png
... ...
Binary files /dev/null and b/Chip-cn-dat/injoinic-dat/IP236x-dat/2026-02-23-16-59-31.png differ
Chip-cn-dat/injoinic-dat/IP236x-dat/IP236x-dat.md
... ...
@@ -27,6 +27,54 @@
27 27
![](2026-02-12-18-57-05.png)
28 28
29 29
30
+## board
31
+
32
+![](2026-02-23-16-57-36.png)
33
+
34
+![](2026-02-23-16-59-31.png)
35
+
36
+
37
+- 1. Operating input voltage range: 5V to 26V (must be higher than battery voltage)
38
+- 2. Supports 1S to 4S lithium-ion batteries
39
+- 3. Charging current is adjustable by resistors (both input side and battery side)
40
+- 4. Maximum charging current: 3A
41
+- 5. Input undervoltage protection is adjustable by resistor
42
+- 6. Input current limit is adjustable by resistor
43
+- 7. Whole-module protections: over-temperature, output over-current, over-voltage, and short-circuit protection
44
+
45
+The two tables on the left correspond to battery charging current settings and input current limit settings.
46
+For charging current, two parallel 50K resistors are used, giving 3A total.
47
+For input current limit, one 75K and one 50K (INN) are populated, giving 2.5A total.
48
+The actual charging current is the smaller of the configured battery-side charging current and input-side current limit.
49
+
50
+Operating input voltage range: 5V~26V.
51
+Note that this module is a buck (step-down) type, so input voltage must be higher than your battery’s full-charge voltage.
52
+In general, input voltage should be greater than $4.2V \times$ the configured series cell count.
53
+To ensure power compatibility, refer to the input current limit settings above.
54
+By default, the board has one 75K and one 50K (INN), corresponding to 1A and 1.5A, for a total of 2.5A.
55
+Other input current values can be set by changing resistors using:
56
+$R = 75K / I_{in}(A)$
57
+
58
+Output: supports 1S to 4S.
59
+The battery must include a protection board.
60
+Set the series cell count by direct solder bridge, as shown in the figure above.
61
+Default charging current uses two parallel 50K resistors, each corresponding to 1.5A, for a total of 3A.
62
+Removing one gives 1.5A.
63
+Other current values can be set by resistor changes using:
64
+$R = 75K / I_{bat}(A)$
65
+Do not exceed 3A.
66
+
67
+The actual charging current is the smaller of the configured battery-side charging current and input-side current limit.
68
+Charging power equals real-time battery voltage multiplied by current.
69
+At higher power, ensure solid wiring/soldering, sufficiently thick wires, and adequate power supply capability.
70
+
71
+NTC connection: not used by default.
72
+If needed, change the NTC resistor to 82K (the resistor at the lower-left of the “SCL” marking).
73
+Connect a 100K thermistor (B=4100) between the NTC pad and adjacent GND.
74
+
75
+LED indicator: blinks while charging, stays on when fully charged.
76
+
77
+
30 78
## app
31 79
32 80
- [[power-bank-dat]]
Chip-cn-dat/injoinic-dat/injoinic-dat.md
... ...
@@ -9,6 +9,12 @@ https://w.electrodragon.com/w/Injoinic
9 9
10 10
- [[IP2326-dat]] - [[injoinic-dat]]
11 11
12
+
13
+[[battery-protector-dat]] + all-S [[battery-charger-dat]] - [[injoinic-dat]] == [[IP2365-dat]]
14
+
15
+
16
+
17
+
12 18
- [[IP236x-dat]]
13 19
14 20
Chip-dat/Analog-device-dat/AD-audio-dat/ADMP404-dat.md
... ...
@@ -0,0 +1,10 @@
1
+
2
+
3
+# ADMP404-dat
4
+
5
+- OBSOLETE
6
+
7
+Omnidirectional Microphone with Bottom Port and Analog Output
8
+
9
+https://www.analog.com/media/en/technical-documentation/obsolete-data-sheets/admp404.pdf
10
+
Chip-dat/Analog-device-dat/Analog-device-dat.md
... ...
@@ -2,6 +2,11 @@
2 2
# analog-device-dat.md
3 3
4 4
5
+
6
+
7
+- [[ADMP404-dat]] - [[analog-device-dat]] - [[AD-audio-dat]]
8
+
9
+
5 10
- [[MAX3241-dat]] == 3.0V to 5.5V, Low-Power, Up to 1Mbps, True RS-232 Transceivers
6 11
7 12
- [[RS232-dat]] - [[RS422-dat]] - [[RS485-dat]]
Chip-dat/ST-dat/ST-audio-amp-dat/ST-audio-amp-dat.md
... ...
@@ -2,6 +2,15 @@
2 2
3 3
# ST-audio-amp-dat
4 4
5
+
6
+- [[amplifier-audio-dat]] - [[ST-audio-amp-dat]] - [[TDA7377-dat]] - [[TDA7375-dat]] - [[TDA7294-dat]]
7
+
8
+TDA7377 - 2 x 37 W dual/quad power amplifier for car radio
9
+
10
+
11
+TDA7375AV - 2 x 37 W dual/quad power amplifier for car radio
12
+
13
+
5 14
TDA7294 == 100 V, 100 W DMOS audio amplifier with mute/st-by
6 15
7 16
- [[amplifier-audio-dat]]
Chip-dat/linear-technology-dat/2026-02-23-16-44-12.png
... ...
Binary files /dev/null and b/Chip-dat/linear-technology-dat/2026-02-23-16-44-12.png differ
Chip-dat/linear-technology-dat/linear-technology-dat.md
... ...
@@ -13,6 +13,19 @@ LT1963A Series - 1.5A, Low Noise, Fast Transient Response LDO Regulators
13 13
LT3029 - Dual 500mA/500mA Low Dropout, Low Noise, Micropower Linear Regulator
14 14
15 15
16
+
17
+Coulomb Counter/Battery Gas Gauge - [[LTC4150-dat]]
18
+
19
+
20
+[[Coulomb-Counter-dat]] - [[battery-charger-dat]] - Coulomb Counter/Battery Gas Gauge - [[LTC4150-dat]] - [[linear-technology-dat]]
21
+
22
+
23
+The LTC®4150 measures battery depletion and charging in handheld PC and portable product applications. The device monitors current through an external sense resistor between the battery’s positive terminal and the battery’s load or charger. A voltage-to-frequency converter transforms the current sense voltage into a series of output pulses at the interrupt pin. These pulses correspond to a fi xed quantity of charge fl owing into or out of the battery. The part also indicates charge polarity as the battery is depleted or charged.
24
+
25
+The LTC4150 is intended for 1-cell or 2-cell Li-Ion and 3-cell to 6-cell NiCd or NiMH applications.
26
+
27
+![](2026-02-23-16-44-12.png)
28
+
16 29
## ref
17 30
18 31
- [[chip-dat]]
... ...
\ No newline at end of file
Chip-dat/raspberry-pi-dat/RPI-SBC-dat/RPI-SBC-dat.md
... ...
@@ -26,6 +26,15 @@
26 26
- [[3D-dat]]
27 27
28 28
29
+### boards
30
+
31
+- [[MPC1033-dat]]
32
+
33
+- [[MPC1073-dat]] - [[MPC1120-dat]]
34
+
35
+
36
+
37
+
29 38
### power delivery
30 39
31 40
In summary, the Raspberry Pi 3 can deliver a maximum of 50 mA to 150 mA from the 3.3V GPIO pins, but care should be taken not to exceed the individual pin limit of 16 mA for each GPIO pin. Always ensure that the total current drawn does not exceed the recommended limits to avoid damaging the board.
Network-dat/radio-dat/radio-FM-dat/radio-FM-dat.md
... ...
@@ -0,0 +1,28 @@
1
+
2
+
3
+# radio-FM-dat
4
+
5
+
6
+
7
+## chip
8
+
9
+- [[SI4703-dat]]
10
+
11
+- [[TEA5767-dat]]
12
+
13
+- [[RDA5807-dat]] - [[RDA-dat]] - [[radio-FM-dat]] - [[NRF2004-dat]]
14
+
15
+
16
+
17
+
18
+## board
19
+
20
+- [[radio-FM-dat]] - [[NRF2007-dat]] - [[NRF2001-dat]] - [[NRF2004-dat]]
21
+
22
+- [[NRF1003-dat]]
23
+
24
+
25
+
26
+
27
+
28
+## ref
... ...
\ No newline at end of file
Network-dat/radio-dat/radio-dat.md
... ...
@@ -4,8 +4,9 @@
4 4
5 5
- [[beken-dat]] - [[BK1080-dat]]
6 6
7
-- [[radio-dat]] - [[RF-dat]] - [[FM-dat]]
7
+- [[radio-dat]] - [[RF-dat]] - [[Fine-Made-dat]]
8 8
9
+- [[radio-FM-dat]]
9 10
10 11
11 12
## boards
Tech-dat/Interface-dat/I2S-dat/I2S-microphone-dat/I2S-microphone-dat.md
... ...
@@ -6,6 +6,10 @@
6 6
- [[I2S-microphone-dat]] - [[buzzer-mems-dat]] - [[sensor-mems-dat]]
7 7
8 8
9
+
10
+- [[ADMP404-dat]] - [[analog-device-dat]]
11
+
12
+
9 13
I2S Output Digital Microphone - [[INMP441-dat]] - [[MSM261S4030H0R-dat]]
10 14
11 15
- [[ICS-43432-dat]] - [[ICS-43434-dat]]
Tech-dat/amplifier-dat/amplifier-audio-dat/amplifier-audio-dat.md
... ...
@@ -23,6 +23,8 @@
23 23
24 24
## chip and boards
25 25
26
+- [[CD7379-dat]]
27
+
26 28
- [[AMP1024-dat]] - [[max97220-dat]] - [[ad-audio-dat]] - [[analog-device-dat]] - [[amplifier-audio-dat]]
27 29
28 30
- [[MSP1014-dat]] - [[LM386-dat]] - [[amplifier-audio-dat]]
... ...
@@ -47,7 +49,7 @@
47 49
## chip
48 50
49 51
50
-- [[ST-audio-amp-dat]] - [[ST-dat]]
52
+- [[amplifier-audio-dat]] - [[ST-audio-amp-dat]] - [[TDA7377-dat]] - [[TDA7375-dat]] - [[TDA7294-dat]]
51 53
52 54
- [[analog-device-dat]] - [[AD-audio-dat]]
53 55
... ...
@@ -57,6 +59,8 @@
57 59
58 60
- [[OPA1622-dat]] == SoundPlus™ Audio Operational Amplifier with High Performance, Low THD+N and Bipolar Input
59 61
62
+
63
+
60 64
Low-Power Audio Amplifiers
61 65
62 66
- [[LM358-dat]] – Dual op-amp, can be used in audio applications but not optimized for high-quality sound.
Tech-dat/tech-dat.md
... ...
@@ -76,7 +76,7 @@
76 76
== Proprietary
77 77
78 78
79
-- [[network-dat]] - [[location-dat]]
79
+- [[network-dat]] - [[location-dat]] - [[radio-FM-dat]]
80 80
81 81
- [[network-system-dat]]
82 82
battery-dat/battery-BMS-dat/battery-protector-dat/battery-protector-dat.md
... ...
@@ -70,7 +70,7 @@ boards specs for reference only
70 70
71 71
## solutions
72 72
73
-- [[FM-dat]] - [[icm-semi-dat]] - [[hycontek-dat]] - [[sinowealth-dat]] - [[ablic-dat]] - [[cellwise-dat]]
73
+- [[Fine-Made-dat]] - [[icm-semi-dat]] - [[hycontek-dat]] - [[sinowealth-dat]] - [[ablic-dat]] - [[cellwise-dat]]
74 74
75 75
- [[DW01-dat]]
76 76
battery-dat/battery-tools-dat/battery-charger-dat/battery-charger-dat.md
... ...
@@ -7,6 +7,10 @@
7 7
8 8
## info
9 9
10
+
11
+[[battery-protector-dat]] + all-S [[battery-charger-dat]] - [[injoinic-dat]]
12
+
13
+
10 14
https://w.electrodragon.com/w/Category:Battery_Charge
11 15
12 16
The most following charger options are for the lithium-ion battery
... ...
@@ -27,7 +31,7 @@ The most following charger options are for the lithium-ion battery
27 31
28 32
- [[usb-sniffer-dat]]
29 33
30
-
34
+[[Coulomb-Counter-dat]] - [[battery-charger-dat]] - Coulomb Counter/Battery Gas Gauge - [[LTC4150-dat]] - [[linear-technology-dat]]
31 35
32 36
## Chip Info
33 37
cable-dat/cable-ribbon-dat/cable-ribbon-dat.md
... ...
@@ -3,6 +3,10 @@
3 3
4 4
5 5
6
+
7
+- [[cable-ribbon-dat]] - [[PCA1009-dat]] - [[PCA1011-dat]] - [[PCA1012-dat]]
8
+
9
+
6 10
## 2-row 2*8 pins
7 11
8 12
- [[hub75-dat]]
mechanics-dat/physics-dat/Resonance-Schumann-dat/Resonance-Schumann-dat.md
... ...
@@ -0,0 +1,48 @@
1
+
2
+
3
+# Resonance-Schumann-dat
4
+
5
+# Schumann Resonance Generator
6
+
7
+A **Schumann Resonance Generator** is an electronic device designed to emit an extremely low frequency (ELF) electromagnetic wave, specifically mimicking the Earth's natural resonance frequency.
8
+
9
+---
10
+
11
+### 1. What is the Schumann Resonance?
12
+The Schumann Resonance is a set of spectrum peaks in the extremely low frequency portion of the Earth's electromagnetic field. It was mathematically predicted by physicist Winfried Otto Schumann in 1952.
13
+
14
+* **The Mechanism:** The space between the Earth's surface and the conductive ionosphere acts as a closed waveguide. Lightning discharges within this "cavity" excite electromagnetic waves.
15
+* **The Fundamental Frequency:** The primary resonance frequency is **7.83 Hz**.
16
+* **The Nickname:** It is often referred to as the "Heartbeat of the Earth."
17
+
18
+---
19
+
20
+### 2. How the Generator Works
21
+A Schumann Resonance Generator typically consists of a high-precision frequency oscillator and an induction coil. It does not produce sound; instead, it generates a weak electromagnetic field pulsed at exactly **7.83 Hz**.
22
+
23
+The goal is to provide a "natural" background frequency in modern environments that are otherwise saturated with high-frequency interference (EMI/RFI) from Wi-Fi, cell phones, and household appliances.
24
+
25
+---
26
+
27
+### 3. Common Uses and Claimed Benefits
28
+While scientific consensus on its direct biological impact is still a subject of debate, these devices are popular in several niche communities:
29
+
30
+* **Audiophiles (HIFI Systems):** Many enthusiasts use them in listening rooms. They claim it "purifies" the environment, leading to better soundstage separation, more transparent highs, and a more "cohesive" musical experience.
31
+* **Sleep and Relaxation:** Since 7.83 Hz is close to the human brain's **$\alpha$ (alpha)** and **$\theta$ (theta)** wave states, it is used to help people relax, reduce stress, and improve sleep quality.
32
+* **Meditation and Focus:** Practitioners use it to create a stable environment for deep contemplation or creative work.
33
+* **Visual Enhancement:** Some users claim it reduces eye strain and makes colors appear more vivid on high-end displays.
34
+
35
+---
36
+
37
+### 4. Scientific and Rational Perspective
38
+* **Physical Strength:** The electromagnetic field produced by these consumer devices is extremely weak, often much lower than the ambient "noise" from the power grid.
39
+* **Psychological Aspect:** Some critics attribute the perceived benefits to the **placebo effect** or a calming psychological ritual.
40
+* **Regulation:** These are generally considered "lifestyle" or "wellness" gadgets rather than medical devices.
41
+
42
+---
43
+
44
+
45
+
46
+## ref
47
+
48
+- [[physics-dat]]
... ...
\ No newline at end of file
mechanics-dat/physics-dat/physics-dat.md
... ...
@@ -10,4 +10,11 @@
10 10
11 11
- [[optical-design-dat]]
12 12
13
-- [[torque-dat]] - [[RPM-dat]]
... ...
\ No newline at end of file
0
+- [[torque-dat]] - [[RPM-dat]]
1
+
2
+
3
+
4
+
5
+## research
6
+
7
+- [[Resonance-Schumann-dat]]
... ...
\ No newline at end of file