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STD CH340N SerialUPDI Programmer
CH340N SerialUPDI Programmer
License
CC-BY-SA 3.0
License: CC-BY-SA 3.0- 6
Update time：
2021-11-23 08:25:00
Creation time：
2021-09-29 18:45:11
Description
Description
Simple UPDI programmer for tinyAVR, megaAVR and AVR-Dx microcontrollers with voltage selection switch (5V and 3.3V). The programmer works with [pyupdi](https://github.com/mraardvark/pyupdi) as well as with the Arduino IDE as ["SerialUPDI with 4.7k resistor or diode"](https://github.com/SpenceKonde/megaTinyCore). It is based on the USB-to-serial chip [CH340N](https://datasheet.lcsc.com/lcsc/2101130932_WCH-Jiangsu-Qin-Heng-CH340N_C506813.pdf).
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Design Drawing
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| ID | Name | Designator | Footprint | Quantity | BOM_Manufacturer Part | BOM_Supplier | BOM_Manufacturer | BOM_Supplier Part |
|---|---|---|---|---|---|---|---|---|
| 1 | 100n | C1,C2 | C_0603_S | 2 | CC0603KRX7R9BB104 | LCSC | YAGEO | C14663 |
| 2 | 1u | C3,C4 | C_0603_S | 2 | CL10A105KB8NNNC | LCSC | SAMSUNG | C15849 |
| 3 | 4148 | D1 | SOD_323 | 1 | 1N4148WS T4 | LCSC | CJ | C2128 |
| 4 | UPDI | H1 | 210S-3X1/2.54 | 1 | Header2.54mm 1*3P | LCSC | BOOMELE | C49257 |
| 5 | PWR | LED1 | LED_0603_S | 1 | 19-217/GHC-YR1S2/3T | LCSC | EVERLIGHT | C72043 |
| 6 | 470R | R1 | R_0603_S | 1 | 0603WAF4700T5E | LCSC | UniOhm | C23179 |
| 7 | 1k | R2 | R_0603_S | 1 | 0603WAF1001T5E | LCSC | UniOhm | C21190 |
| 8 | POWER | SW1 | SW-SMD_SS-1290L-GLL-1.5MM | 1 | SS-1290L-GL L=1.5mm | LCSC | RI SHENG | C695418 |
| 9 | CH340N | U1 | SOP-8_150MIL | 1 | CH340N | LCSC | WCH(Jiangsu Qin Heng) | C506813 |
| 10 | AP2112K-3.3TRG1 | U2 | SOT-25-5 | 1 | AP2112K-3.3TRG1 | LCSC | DIODES | C51118 |
| 11 | USB | USB1 | USB-M-48-2 | 1 | USB-05 | LCSC | SOFNG | C112454 |
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