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USB-TO-TTL

An USB to TTL convertor

License Project Series Devlog

About • Structure • Schematic • PCB • CAD • BOM • License • Credits



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About the Project

USB-TO-TTL An USB to TTL convertor With CH340C Ic

Features

  • Type C port
  • Auto-Uploading Circuit
  • Led Indicators

Repository Structure

  • src/PCB/ — EasyEDA project sources
  • production/ for fabrication outputs
  • production/pcb/ — PCB fabrication files (Gerbers, BOM, Pick & Place)ace)
  • Render/ for Render Sources

Schematic on EasyEDA

Source : src/PCB/Systematic/

SCH_Schematic1_1-P1_2026-05-15 (1)

PCB on EasyEDA

Source : src/PCB/Board/

image image
image image

Render

Render Render
  • source: src/3D model/

Bill of Materials

Source: production/pcb/bom.xlsx

No. Quantity Comment Footprint Value
1 1 0.1uf C0805 0.1uf
2 1 0.1uF C0805 0.1uF
3 1 2.54-1*6 HDR-TH_6P-P2.54-V-M
4 1 3P 1mm HDR-TH_3P-P1.00-V-M
5 1 5.1k R0805_NEW 5.1k
6 1 10K R0805_NEW 10K
7 1 10nF C0805 10nF
8 1 10uF C0805 10uF
9 1 330E R0805_NEW 330E
10 1 BC846B SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR
11 1 CH340C SOP-16_L10.0-W3.9-P1.27-LS6.0-BL
12 1 HT7833 SOT-89_L4.5-W2.5-P1.50-LS4.2-BR
13 1 LED_0402-R LED0805-RD_GREEN_C0805YGC
14 1 TYPE-C-31-M-12 USB-C_SMD-TYPE-C-31-M-12_1

License

This project is licensed under the MIT License — see the LICENSE file for details.

Contributing

Contributions, improvements, and remixes are welcome! Please read the CONTRIBUTING.md guide to get started.

Credits

This project uses:

  • EasyEDA - PCB design and schematic capture
  • Blender - Render
  • @NotARoomba & mp; @Gabouin - Readme template

About

An USB to TTL convertor With - Type C port - Auto-Uploading Circuit - Led Indicators

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