2 layers105.2 × 71.1 mm
Onyx PCB
CuriousMotor/Onyx-Stepper-Motherboard
The successor of the iconic Arduino-CNC-shield
96 parts56MIT
2 layers39.5 × 18.5 mm
CH340G Programmer
vanceb/CH340G_ProgrammerA programmer to program ESP32 over USB, including the automated reset and programming
- Size
- 39.5 × 18.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 22
- Nets
- 26
- Pads
- 77
- Tracks, vias
- 146, 11
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 18 Jun 2022
- Updated
- 1 Oct 2024
Overview
CH340G Programmer is an open-source printed circuit board by vanceb, from the vanceb/CH340G_Programmer repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 39.5 × 18.5 mm with 22 parts on 26 nets, routed with 146 tracks and 11 vias.
It is built around the CH340G and AMS1117-3.3. Its parts include 6 resistors, 4 capacitors, 4 diodes, 2 ICs and 2 transistors. It belongs with the interfaces and adapters boards of this library.
Main components
2
CH340G
SOP-16-40℃~+85℃ 2Mbps 3.3V、5V USB 2.0 USB to UART SOP-16 USB Converters ROHSWCH (Nanjing Qinheng Microelectronics)USB Converters
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdCH340G_Programmer
A programmer to program ESP32 over USB, including the automated reset and programming
Parts
22| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 330 | Resistor_SMD:R_0603_1608Metric | R3, R4, R5, R6 |
| 2 | 10k | Resistor_SMD:R_0603_1608Metric | R1, R2 |
| 2 | 10u | Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A | C1, C2 |
| 2 | 22pF | Capacitor_SMD:C_0402_1005Metric | C3, C4 |
| 2 | MMBT2222A 1P | Package_TO_SOT_SMD:SOT-23 | Q1, Q2 |
| 2 | RED | LED_SMD:LED_0603_1608Metric | D3, D4 |
| 2 | WHITE | LED_SMD:LED_0603_1608Metric | D1, D2 |
| 1 | 12MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | CH340G | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U2 |
| 1 | PROG | Connector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_Vertical | J2 |
| 1 | PWR_TGT | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | USB_B_Micro | USB Micro-B:XKB_U254_051N_4BH806 | J1 |
Questions
How big is the CH340G Programmer PCB?
It measures 39.5 × 18.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the CH340G Programmer use?
22 parts, built around the CH340G and AMS1117-3.3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the CH340G Programmer KiCad files?
From the vanceb/CH340G_Programmer repository on GitHub, at the commit this page was made from: the board is kicad/CH340G_Programmer.kicad_pcb and its schematic kicad/CH340G_Programmer.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the CH340G Programmer design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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