BOM-DAT/fuse-dat/2026-05-03-16-22-36.png
... ...
Binary files /dev/null and b/BOM-DAT/fuse-dat/2026-05-03-16-22-36.png differ
BOM-DAT/fuse-dat/2026-05-03-16-22-49.png
... ...
Binary files /dev/null and b/BOM-DAT/fuse-dat/2026-05-03-16-22-49.png differ
BOM-DAT/fuse-dat/2026-05-03-16-24-34.png
... ...
Binary files /dev/null and b/BOM-DAT/fuse-dat/2026-05-03-16-24-34.png differ
BOM-DAT/fuse-dat/2026-05-03-16-25-13.png
... ...
Binary files /dev/null and b/BOM-DAT/fuse-dat/2026-05-03-16-25-13.png differ
BOM-DAT/fuse-dat/fuse-dat.md
... ...
@@ -3,6 +3,43 @@
3 3
4 4
5 5
6
+
7
+## fuse-glass-seal-dat // 250V
8
+
9
+
10
+break == fast
11
+
12
+
13
+5*20 / 6*30mm 玻璃保险管熔断器保险丝 250V 1A - 2A - 3A - 4A - 5A - 6A - 10A - 15A - 20A
14
+
15
+![](2026-05-03-16-22-36.png)
16
+
17
+![](2026-05-03-16-22-49.png)
18
+
19
+## 6.3 熔断/电流特性
20
+
21
+| 额定电流 | 熔断 |
22
+| -------- | -------------------------- |
23
+| 100% | 4hours Min - （大于4小时） |
24
+| 135% | 1hours Max - （小于1小时） |
25
+| 200% | 5sec Max - （小于5秒） |
26
+
27
+## 2410 fast-break fuse // 125V
28
+
29
+![](2026-05-03-16-24-34.png)
30
+
31
+
32
+- 0.5A_125V
33
+- 1A_125V
34
+- 2A_125V
35
+- 3A_125V
36
+- 4A_125V
37
+- 5A_125V
38
+- 10A_125V
39
+- 1808/2410贴片保险丝座
40
+
41
+![](2026-05-03-16-25-13.png)
42
+
6 43
## ref
7 44
8 45
- [[fuse]]
... ...
\ No newline at end of file
Board-dat/CKI/CKI1065-dat/CKI1065-dat.md
... ...
@@ -0,0 +1,34 @@
1
+
2
+
3
+# CKI1065-dat
4
+
5
+## Info
6
+
7
+[product url - Common Type Fuse Kit, 250V 0.5A-20A (10Kinds*5PCs)](https://www.electrodragon.com/product/common-type-fuse-kit-250v-0-5a-20a-10kinds5pcs/)
8
+
9
+### Board Map, Dimension, Pins, chip info, Use Guide, Setup Jumper, etc.
10
+
11
+- [[fuse-dat]] see fuse-glass-seal-dat // 250V
12
+
13
+- 0.5A
14
+- 1A
15
+- 2A
16
+- 3A
17
+- 4A
18
+- 5A
19
+- 6A
20
+- 8A
21
+- 10A
22
+- 20A
23
+
24
+
25
+
26
+## Applications, category, tags, etc.
27
+
28
+## Demo Code and Video
29
+
30
+## ref
31
+
32
+- [[]]
33
+
34
+- legacy wiki page
Board-dat/SDR/SDR1011-dat/2026-05-03-16-07-16.png
... ...
Binary files /dev/null and b/Board-dat/SDR/SDR1011-dat/2026-05-03-16-07-16.png differ
Board-dat/SDR/SDR1011-dat/SDR1011-dat.md
... ...
@@ -0,0 +1,40 @@
1
+
2
+
3
+# SDR1011-dat
4
+
5
+## Info
6
+
7
+[product url - Raspberry Pi Motor Robot Shield Kit (L293D)](https://www.electrodragon.com/product/raspberry-pi-motor-robot-shield-kit-l293d/)
8
+
9
+[legacy wiki page](https://www.electrodragon.com/w/Raspberry_Pi_Motor_Robot_Shield_Kit_(L293D))
10
+
11
+### Board Map, Dimension, Pins, chip info, Use Guide, Setup Jumper, etc.
12
+
13
+- [[L293-dat]] - [[RPI-SBC-dat]] - [[motor-driver-dat]]
14
+
15
+![](2026-05-03-16-07-16.png)
16
+
17
+
18
+
19
+- SW1 SW2 == switch to GPIO pin 21 and 23 == GPIO 9 and 11 == [[RPI-pin-dat]]
20
+
21
+- drive pin GPIO 21 and 22 to external devices via [[74HC06-dat]]
22
+
23
+
24
+
25
+
26
+## Applications, category, tags, etc.
27
+
28
+## Demo Code and Video
29
+
30
+https://github.com/Edragon/RPI
31
+
32
+
33
+
34
+## ref
35
+
36
+- [[SDR1011]]
37
+
38
+- [legacy wiki page ](https://www.electrodragon.com/w/Raspberry_Pi_Motor_Robot_Shield_Kit_(L293D))
39
+
40
+
Chip-dat/74xx-dat/74xx-dat.md
... ...
@@ -63,11 +63,13 @@ The device inputs are compatible with Standard CMOS outputs; with pullup resisto
63 63
- [[74xx04-dat]] == Hex Inverter
64 64
65 65
66
-## 74xx06
66
+## 74xx06 == inverter
67
+
68
+- [[SDR1011-dat]] - [[L293-dat]]
67 69
68 70
SN54LS06, SN74LS06
69 71
70
-SNx4LS06 Hex Inverter Buffers and Drivers With Open-Collector High-Voltage Outputs
72
+SNx4LS06 Hex `Inverter` Buffers and Drivers With Open-Collector High-Voltage Outputs
71 73
72 74
The SNx4LS06 devices feature high-voltage, opencollector outputs to interface with high-level circuits (such as MOS), or for driving high-current loads, and also are characterized for use as inverter buffers for driving TTL inputs. The SNx4LS06 devices have a rated output voltage of 30 V.
73 75
Chip-dat/ESS-technology-dat/ES9023-dat.md
... ...
@@ -0,0 +1,10 @@
1
+
2
+
3
+# ES9023-dat
4
+
5
+The ESS Technology `ES9023` is a 24-bit stereo audio Digital-to-Analog Converter (`DAC`) known for high cost-performance, delivering up to 2Vrms ground-referenced output without requiring DC-blocking capacitors.
6
+
7
+Featuring HyperStream® architecture and Time Domain Jitter Eliminator, it is ideal for DIY, Raspberry Pi HATs, and budget-friendly, high-fidelity audio gear.
8
+
9
+
10
+
Chip-dat/ESS-technology-dat/ESS-technology-dat.md
... ...
@@ -0,0 +1,6 @@
1
+
2
+
3
+# ESS-technology-dat
4
+
5
+- [[ES9023-dat]] - [[ESS-technology-dat]] - [[DAC-dat]] - [[audio-dat]]
6
+
Chip-dat/TI-dat/TI-Motor-dat/L293-dat/2026-05-03-16-13-15.png
... ...
Binary files /dev/null and b/Chip-dat/TI-dat/TI-Motor-dat/L293-dat/2026-05-03-16-13-15.png differ
Chip-dat/TI-dat/TI-Motor-dat/L293-dat/L293-dat.md
... ...
@@ -26,6 +26,24 @@ The L293D is a 16-pin motor driver IC, also known as a quad half-H driver, capab
26 26
| **Protection** | Needs external diodes | Protected against back EMF |
27 27
28 28
29
+
30
+
31
+## SCH 2
32
+
33
+- [[SDR1011-dat]] - [[L293-dat]]
34
+
35
+![](2026-05-03-16-13-15.png)
36
+
37
+drive pin
38
+
39
+- 1-2EN ==
40
+- 3-4EN ==
41
+- 1A ==
42
+- 3A ==
43
+
44
+drive chip == [[74xx-dat]] - [[74HC06-dat]]
45
+
46
+
29 47
## Simple Schematic
30 48
31 49
![](2025-06-15-12-57-58.png)
Chip-dat/raspberry-pi-dat/RPI-SBC-dat/RPI-SBC-dat.md
... ...
@@ -21,7 +21,7 @@
21 21
22 22
## hardware
23 23
24
-- [[raspberry-pi-dat]]
24
+- [[raspberry-pi-dat]] - [[interface-dat]] - [[serial-dat]]
25 25
26 26
- [[3D-dat]]
27 27
Circuits-dat/logic-dat/Logic-level-shifter-dat/2026-05-03-16-08-41.png
... ...
Binary files /dev/null and b/Circuits-dat/logic-dat/Logic-level-shifter-dat/2026-05-03-16-08-41.png differ
Circuits-dat/logic-dat/Logic-level-shifter-dat/Logic-level-shifter-dat.md
... ...
@@ -58,6 +58,12 @@ Make sure the VCCA ≤VCCB.
58 58
59 59
## logic level shifter for UART
60 60
61
+simple passive solutions
62
+
63
+![](2026-05-03-16-08-41.png)
64
+
65
+via chip
66
+
61 67
![](2025-07-10-18-34-29.png)
62 68
63 69
- Diode + pull-up resistor on RXD
Tech-dat/Interface-dat/Serial-dat/Serial-dat.md
... ...
@@ -17,6 +17,7 @@
17 17
- [[USB-dat]]
18 18
19 19
20
+
20 21
## on board USB to TTL serial adapters check
21 22
22 23
below is the variation of [[CH340-dat]]
Tech-dat/audio-dat/audio-dat.md
... ...
@@ -23,9 +23,16 @@
23 23
24 24
25 25
26
+
26 27
## chip
27 28
28 29
30
+- [[ES9023-dat]] - [[ESS-technology-dat]] - [[DAC-dat]] - [[audio-dat]]
31
+
32
+- [[everest-semi-dat]] - [[ES8311-dat]] - [[ES7201-dat]]
33
+
34
+
35
+
29 36
- [[TDA-dat]] - [[TI-audio-dat]] - [[VLSI-dat]] - [[cirrus-dat]] - [[ISD-dat]]
30 37
31 38
- [[Maxim-dat]]