2 layers57.6 × 40 mm
2 layers32.8 × 53.6 mm
Hermes
MeghanaM4/Hermes2make a PCB with an on-board sensor to transmit data via I2C, get the money to build it
- Size
- 32.8 × 53.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 10
- Nets
- 22
- Pads
- 67
- Tracks, vias
- 91, 7
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 10 Jul 2025
- Updated
- 6 Apr 2026
Overview
Hermes is an open-source printed circuit board by MeghanaM4, from the MeghanaM4/Hermes repository on GitHub, published under the MIT licence. It is a 2-layer board of 32.8 × 53.6 mm with 10 parts on 22 nets, routed with 91 tracks and 7 vias.
It is built around the MPU-6500. Its parts include 3 capacitors, 2 resistors and 2 ICs. It belongs with the RP2040 boards of this library.
Main components
1README
README.mdHermes
make a PCB with an on-board sensor to transmit data via I2C, get the money to build it
Parts
10| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 0.1 µF | Capacitor_SMD:C_1206_3216Metric | C1, C3 |
| 2 | 4.7k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1, R2 |
| 2 | LOGO | LOGO | G***, G*** |
| 1 | C | Capacitor_SMD:C_1206_3216Metric | C2 |
| 1 | MPU-6500 | footprints:QFN40P300X300X95-25N | U1 |
| 1 | OLED_128X64_1.3_I2C | footprints:128x64OLED | DS1 |
| 1 | XIAO-RP2040-DIP | footprints:XIAO-RP2040-DIP | U2 |
Questions
How big is the Hermes PCB?
It measures 32.8 × 53.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Hermes use?
10 parts, built around the MPU-6500. 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 Hermes KiCad files?
From the MeghanaM4/Hermes repository on GitHub, at the commit this page was made from: the board is KiCAD/hermes.kicad_pcb and its schematic KiCAD/hermes.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Hermes design in my own project?
Its repository publishes it under the MIT 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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