2 layers159.5 × 30 mm
Type f
google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards
25 parts3kApache-2.0
2 layers55.9 × 55.4 mm
TouchDRO
dns42/TouchDROCustom TouchDRO PCB for differential and single-ended inputs, based on AM26LV32IDR.
- Size
- 55.9 × 55.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 25
- Nets
- 60
- Pads
- 134
- Tracks, vias
- 301, 81
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 23 Feb 2025
- Updated
- 14 Mar 2025
Overview
TouchDRO is an open-source printed circuit board by dns42, from the dns42/TouchDRO repository on GitHub. It is a 2-layer board of 55.9 × 55.4 mm with 25 parts on 60 nets, routed with 301 tracks and 81 vias.
Its parts include 6 resistors, 5 connectors, 4 diodes, 3 capacitors and 2 ICs. It belongs with the ESP32 boards of this library.
README
README.mdUse at your own risk. This thing is completely untested yet.
Parts
25| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 0.1u | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3 |
| 3 | 1K | Resistor_SMD:R_0603_1608Metric | R1, R2, R3 |
| 2 | 0R | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | R5, R7 |
| 2 | AM26LV32xD | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U2, U3 |
| 1 | 2K | Resistor_SMD:R_0603_1608Metric | R4 |
| 1 | 2V5 | Diode_SMD:D_0805_2012Metric | D4 |
| 1 | ESP32 | ESP32:ESP32-38Pin | ESP32 |
| 1 | HB | LED_SMD:LED_0805_2012Metric | D1 |
| 1 | PWR | LED_SMD:LED_0805_2012Metric | D3 |
| 1 | STA | LED_SMD:LED_0805_2012Metric | D2 |
| 1 | VIN | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J5 |
| 1 | W | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J4 |
| 1 | X | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J1 |
| 1 | Y | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J2 |
| 1 | Z | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J3 |
The 21 most common of 25 parts.
Questions
How big is the TouchDRO PCB?
It measures 55.9 × 55.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the TouchDRO use?
25 parts. 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 TouchDRO KiCad files?
From the dns42/TouchDRO repository on GitHub, at the commit this page was made from: the board is TouchDRO.kicad_pcb and its schematic TouchDRO.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the TouchDRO design in my own project?
Its repository states no licence, so its author keeps all rights: ask dns42 before reusing the design.
Similar boards
- 2 layers113.5 × 95.1 mm
Sweep high
davidphilipbarr/Sweep
Sweep - a small promicro based keyboard inspired by the Ferris.
25 parts2.1k - 2 layers75 × 30 mm
- 2 layers58.4 × 114.3 mm
PicoPedal
hackclub/OnBoard
💡 Join 1,000 teenagers and make your first PCB with a $100 grant!
25 parts915 - 2 layers54 × 15 mm
Xyp gpib
xyphro/UsbGpib
Versatile, cheap and portable USB to GPIB converter (USBTMC class based)
25 parts690MIT - 2 layers50 × 76 mm
- 2 layers237.5 × 102.9 mm
Storage
jes/scamp-cpu
A homebrew 16-bit CPU with a homebrew Unix-like-ish operating system.
25 parts301Unlicense - 2 layers43.3 × 21 mm
