Chip-cn-dat/WCH-dat/CH9102-dat/2025-08-07-12-38-02.png
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Chip-cn-dat/WCH-dat/CH9102-dat/CH9102-dat.md
... ...
@@ -8,6 +8,11 @@
8 8
- CH9102F QFN24
9 9
- CH9102X QFN28
10 10
11
+## SCH
12
+
13
+![](2025-08-07-12-38-02.png)
14
+
15
+
11 16
12 17
## ref
13 18
Chip-cn-dat/allwinner-dat/F133-dat/2025-08-07-12-39-31.png
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Chip-cn-dat/allwinner-dat/F133-dat/F133-dat.md
... ...
@@ -53,6 +53,10 @@ https://d1s.docs.aw-ol.com/
53 53
54 54
![](F133-SCH-1.png)
55 55
56
+misc
57
+
58
+![](2025-08-07-12-39-31.png)
59
+
56 60
## bootsel
57 61
58 62
- SPI_MOSI
... ...
@@ -106,3 +110,4 @@ image == https://github.com/ylyamin/allwinner_d1_hal
106 110
107 111
- [[F133]] - [[allwinner]]
108 112
113
+- [[memory-dat]]
... ...
\ No newline at end of file
Chip-cn-dat/chip-cn-dat.md
... ...
@@ -5,6 +5,8 @@
5 5
6 6
- [[aosong-dat]]
7 7
8
+- [[allwinner-dat]] - [[F133-dat]] - [[V3S-dat]] - [[F1C200-dat]] - [[F1C100-dat]] - [[D1S-dat]]
9
+
8 10
- [[Espressif-dat]] - [[ESP32-dat]] - [[ESP32-S3-dat]] - [[ESP32-C3-dat]] - [[ESP32-P4-dat]]
9 11
10 12
- [[ESP8266-dat]] - [[esp8266-modules-dat]] - [[ESP8266-board-dat]]
... ...
@@ -39,8 +41,6 @@
39 41
40 42
- [[chipsea-dat]]
41 43
42
-- [[allwinner-dat]] - [[F133-dat]] - [[V3S-dat]] - [[F1C200-dat]] - [[F1C100-dat]] - [[D1S-dat]]
43
-
44 44
- [[hikvision-dat]]
45 45
46 46
- [[BL616-dat]] - [[bouffalolab-dat]] - [[BL602-dat]] - [[BL808-dat]]
Chip-dat/Silicon-labs-dat/CP2102-dat/19-15-16-10-08-2023.png
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Chip-dat/Silicon-labs-dat/CP2102-dat/2024-11-04-14-49-16.png
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Chip-dat/Silicon-labs-dat/CP2102-dat/CP2102-dat.md
... ...
@@ -0,0 +1,41 @@
1
+
2
+# CP2102 dat
3
+
4
+![](19-15-16-10-08-2023.png)
5
+
6
+driver
7
+
8
+- http://www.electrodragon.com/wp-content/uploads/2012/01/cp210x.rar - 404
9
+
10
+https://www.silabs.com/developer-tools/usb-to-uart-bridge-vcp-drivers?tab=downloads
11
+
12
+- datasheet == [[cp2102-datasheet.pdf]]
13
+
14
+## boards
15
+
16
+- [[dpr1003-dat]] - [[DPR1005-dat]] - [[cp2102-dat]]
17
+
18
+- [[CP2102N-dat]]
19
+
20
+
21
+## CP2102 VS FT232RL
22
+
23
+![](2024-11-04-14-49-16.png)
24
+
25
+
26
+
27
+## SCH
28
+
29
+![](2025-07-09-18-40-54.png)
30
+
31
+2x mosfet == 2N7002
32
+
33
+- [[dual-mosfet-dat]] - [[mosfet-dat]]
34
+
35
+## alternative
36
+
37
+- [[WCH-dat]]
38
+
39
+## ref
40
+
41
+- [[serial-dat]]
... ...
\ No newline at end of file
Chip-dat/Silicon-labs-dat/CP2102-dat/cp2102-datasheet.pdf
... ...
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Chip-dat/Silicon-labs-dat/CP2104-dat/CP2104-dat.md
... ...
@@ -0,0 +1,10 @@
1
+
2
+# CP2104-dat
3
+
4
+- [[CH9102-dat]]
5
+
6
+## ref
7
+
8
+- [[USB-TTL-dat]]
9
+
10
+- [[chip-dat]]
... ...
\ No newline at end of file
Chip-dat/Silicon-labs-dat/Silicon-labs-dat.md
... ...
@@ -0,0 +1,4 @@
1
+
2
+# Silicon-labs-dat
3
+
4
+- [[CP2102-dat]] - [[CP2104-dat/CP2104-dat]]
... ...
\ No newline at end of file
Chip-dat/Silicon-labs/CP2102/19-15-16-10-08-2023.png
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Chip-dat/Silicon-labs/CP2102/CP2102-dat.md
... ...
@@ -1,41 +0,0 @@
1
-
2
-# CP2102 dat
3
-
4
-![](19-15-16-10-08-2023.png)
5
-
6
-driver
7
-
8
-- http://www.electrodragon.com/wp-content/uploads/2012/01/cp210x.rar - 404
9
-
10
-https://www.silabs.com/developer-tools/usb-to-uart-bridge-vcp-drivers?tab=downloads
11
-
12
-- datasheet == [[cp2102-datasheet.pdf]]
13
-
14
-## boards
15
-
16
-- [[dpr1003-dat]] - [[DPR1005-dat]] - [[cp2102-dat]]
17
-
18
-- [[CP2102N-dat]]
19
-
20
-
21
-## CP2102 VS FT232RL
22
-
23
-![](2024-11-04-14-49-16.png)
24
-
25
-
26
-
27
-## SCH
28
-
29
-![](2025-07-09-18-40-54.png)
30
-
31
-2x mosfet == 2N7002
32
-
33
-- [[dual-mosfet-dat]] - [[mosfet-dat]]
34
-
35
-## alternative
36
-
37
-- [[WCH-dat]]
38
-
39
-## ref
40
-
41
-- [[serial-dat]]
... ...
\ No newline at end of file
Chip-dat/Silicon-labs/CP2102/cp2102-datasheet.pdf
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Chip-dat/Silicon-labs/CP2104-dat.md
... ...
@@ -1,8 +0,0 @@
1
-
2
-# CP2104
3
-
4
-
5
-
6
-## ref
7
-
8
-- [[USB-TTL-dat]]
... ...
\ No newline at end of file
Tech-dat/Interface-dat/Serial-dat/Serial-dat.md
... ...
@@ -36,7 +36,7 @@ from the perspective of the cable to the perspective of the target
36 36
37 37
- [[CP2102-dat]] - [[DPR1003-dat]], [[DPR1005-dat]] == replaceable by [[WCH-dat]]
38 38
39
-- [[CP2104-dat]]
39
+- [[CP2104-dat/CP2104-dat]]
40 40
41 41
- [[FT232-dat]] - [[DPR1029-dat]] - [[FTDI-dat]]
42 42
... ...
@@ -119,7 +119,7 @@ Booting Mode select
119 119
120 120
## categorized by target friendly
121 121
122
-- [[Arduino-ide-dat]] == [[CH9102-dat]] - [[CH9104-dat]] - [[FT232RL-dat]] - [[CP2102-dat]] - [[CP2104-dat]]
122
+- [[Arduino-ide-dat]] == [[CH9102-dat]] - [[CH9104-dat]] - [[FT232RL-dat]] - [[CP2102-dat]] - [[CP2104-dat/CP2104-dat]]
123 123
124 124
125 125
## driver
Tech-dat/memory-dat/2025-08-07-12-41-17.png
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Tech-dat/memory-dat/2025-08-07-12-42-03.png
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Tech-dat/memory-dat/memory-dat.md
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@@ -5,6 +5,8 @@
5 5
6 6
- [[SDIO-dat]]
7 7
8
+
9
+
8 10
## DRAM
9 11
10 12
- [[ESP32-HDK-dat]]
... ...
@@ -51,11 +53,23 @@
51 53
| EEPROM | Very Low | High | Low | Non-volatile | Not Required |
52 54
53 55
56
+## SDRAM - Synchronous Dynamic Random Access Memory == H5TQ4G63CFR-RDC
57
+
58
+![](2025-08-07-12-42-03.png)
59
+
60
+SCH
61
+
62
+![](2025-08-07-12-41-17.png)
63
+
64
+
54 65
## use a tools instead of fat fingers
55 66
56 67
![](2025-04-08-17-14-23.png)
57 68
58 69
70
+
71
+
72
+
59 73
## ref
60 74
61 75
- [[sd]] - [[memory]]
... ...
\ No newline at end of file
app-dat/Electric-Dirt-Bike-dat/Electric-Dirt-Bike-dat.md
... ...
@@ -0,0 +1,63 @@
1
+
2
+# Electric-Dirt-Bike-dat
3
+
4
+## 🏍ïļ Comparison: Mid-Drive Motor vs Off-Road Electric Dirt Bike Motor
5
+
6
+### 1. ⚙ïļ Torque & Power
7
+
8
+| Type | Example Model | Power | Max Torque |
9
+|-----------------------------|-----------------------------|---------------|-----------------|
10
+| Mid-Drive E-Bike Motor | Bosch CX / Shimano EP8 | 250–1000W | 60–160 Nm |
11
+| Electric Dirt Bike Motor | Sur-Ron Light Bee X | 5000W peak | ~250 Nm |
12
+| | Talaria Sting R | 6000W peak | ~280–300 Nm |
13
+| | Cake Kalk OR | 11,000W | ~280 Nm |
14
+
15
+ðŸŸĒ **Mid-drive motors** use **bike gears** to multiply torque, but they still **can't match raw torque** of dirt bike motors.
16
+ðŸ”ī **Electric dirt bikes** use **direct-drive or geared motors** with massive torque, designed for off-road power.
17
+
18
+---
19
+
20
+### 2. ðŸŠķ Weight & Size
21
+
22
+| Type | Motor Weight | Total Bike Weight |
23
+|-----------------------------|------------------|-------------------------|
24
+| Mid-Drive E-Bike Motor | ~3–5 kg | 18–25 kg (bike) |
25
+| Electric Dirt Bike Motor | ~10–15 kg | 50–70+ kg (bike) |
26
+
27
+Mid-drive systems are compact and light for pedaling.
28
+Electric dirt bikes are heavy-duty and built for **power**, not pedaling.
29
+
30
+---
31
+
32
+### 3. ⚡ Power Source & Battery
33
+
34
+| Type | Voltage | Battery Size |
35
+|-----------------------------|-------------|---------------------------|
36
+| Mid-Drive E-Bike | 36V / 48V | 300–700 Wh |
37
+| Electric Dirt Bike | 60V / 72V | 1000–3000 Wh+ (1–3 kWh) |
38
+
39
+Electric dirt bikes use **high-voltage, high-capacity batteries** to feed the powerful motors.
40
+
41
+---
42
+
43
+### 4. 🏁 Intended Use
44
+
45
+| Feature | Mid-Drive E-Bike | Off-Road Electric Dirt Bike |
46
+|-------------------|------------------------|-----------------------------------|
47
+| Pedaling | ✅ Yes (human + motor) | ❌ No (motor only) |
48
+| Street Legal | ✅ Often (in cities) | ❌ Usually not street legal |
49
+| Terrain | ðŸšĩ Trails, hills | 🏜ïļ Rough trails, jumps, MX tracks |
50
+| Speed | 25–45 km/h (legal) | 70–100+ km/h |
51
+| License Needed | ❌ No (usually) | ✅ Yes (in some regions) |
52
+
53
+---
54
+
55
+### ✅ Summary
56
+
57
+| Feature | Mid-Drive E-Bike | Off-Road Electric Dirt Bike |
58
+|-----------------------|------------------------|---------------------------------|
59
+| Max Torque | ~160 Nm | 250–300+ Nm |
60
+| Max Power | 1000W (1 kW) | 5000–11,000W (5–11 kW) |
61
+| Battery Size | ~500 Wh | 2000 Wh+ |
62
+| Weight | Lightweight | Heavy-duty |
63
+| Purpose | Pedal assist, light trail | Full off-road riding |
... ...
\ No newline at end of file