ESP32-Writer-CH340X
About the ESP32-Writer-CH340X PCB
ESP32-Writer-CH340X is an open source ESP32 PCB design by 74th, published on GitHub under the MIT license. It is a 2-layer board measuring 14.2 × 10.7 mm, with 7 components from 7 distinct parts.
Its main chip is the ESP32-C3-MINI-1, from the ESP32 family. By type, the board carries 3 resistors, 2 connectors, 1 IC and 1 capacitor.
It belongs with the dev boards & breakouts and usb & debug tools designs in this gallery.
From the project
ESP32 Dev Boards PCB
- ESP32-Writer: ESP-Prog 互換ボックスピンヘッダをもつ CH340C を使った ESP32 Writer - ESP32-S3-WROOM-1: ESP32-S3-WROOM-1 の開発ボード - ESP32-C3-WROOM-02: ESP32-C3-WROOM-02 の開発ボード - ESP32-C3-MINI-1: ESP32-C3-MINI-1 の開発ボード - ESP32-C6-WROOM-1: ESP32-C6-WROOM-1 の開発ボード - ESP32-H2-MINI-1: ESP32-H2-MINI-1 の開発ボード - ESP32-MINI-DevBoard: ESP32-WROOM-32 の開発ボード
- https://github.com/espressif/kicad-libraries
Main components on the ESP32-Writer-CH340X
ESP32-Writer-CH340X bill of materials (BOM)
7 components, 7 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP32-C3-MINI-1 CH340X | MSOP-10_3x3mm_P0.5mm | U1 |
| 1 | ESP-Prog-ProgramCOM-SEND | BoxPinHeader_2x03_P1.27mm_Vertical | J1 |
| 1 | USB2.0_C_v3 | USB-C-12-Pin-SMD | J2 |
| 1 | 10U 100n | Capacitor_0603_1608 | C2 |
| 1 | 5.1K 5.1k | Register_0603_1608 | R1 |
| 1 | 10K 5.1k | Register_0603_1608 | R2 |
| 1 | 10K 4.3k | Register_0603_1608 | R3 |
ESP32-Writer-CH340X design files
The KiCad project lives in the 74th/esp32-dev-boards repository on GitHub; these links point at the commit this page was built from.
ESP32-Writer-CH340X: common questions
What microcontroller does the ESP32-Writer-CH340X use?
The ESP32-Writer-CH340X is built around the ESP32-C3-MINI-1, from the ESP32 family.
How big is the ESP32-Writer-CH340X PCB?
The ESP32-Writer-CH340X measures 14.2 × 10.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ESP32-Writer-CH340X?
7 components, from 7 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the ESP32-Writer-CH340X design files?
From the 74th/esp32-dev-boards repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the ESP32-Writer-CH340X design in my own project?
Yes, under the terms of its MIT license, which 74th chose for the repository.
Can I test firmware for the ESP32-Writer-CH340X without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
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