2 layers19 × 76 mm
Sub
google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards
15 parts3kApache-2.0
2 layers69.7 × 57.1 mm
ESPiezometer
adbj-hw/ESPiezometer1Open hardware ESP32-C3 device for RS485 piezometric sensor installation and validation — includes PCB, firmware, app, STL enclosure, and field-ready documentation.
- Size
- 69.7 × 57.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 15
- Nets
- 24
- Pads
- 55
- Tracks, vias
- 106, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 20 Oct 2025
- Updated
- 20 Oct 2025
Overview
ESPiezometer is an open-source printed circuit board by adbj-hw, from the adbj-hw/ESPiezometer repository on GitHub. It is a 2-layer board of 69.7 × 57.1 mm with 15 parts on 24 nets, routed with 106 tracks and 0 vias.
Its parts include 6 connectors, 4 ICs and 1 resistor. It belongs with the interfaces and adapters boards and the ESP32 and RISC-V boards of this library.
README
2_PCB_Gerber_Files/README.mdESPiezometer – PCB Design and Gerber Files
Version: 1.0
Author: Armando Blanco (2025)
License: CERN Open Hardware License – Weakly Reciprocal Variant CERN-OHL-W v2
This directory contains the KiCad design source and Gerber fabrication outputs for the ESPiezometer PCB.
These files allow users to manufacture, modify, or audit the PCB design, complying with open hardware documentation standards.
Included Files
| File / Directory | Purpose |
|---|---|
ESPiezometer.kicad_sch | KiCad schematic — full reference for wiring and debugging |
ESPiezometer.kicad_pcb | KiCad PCB layout — editable design source |
/Gerber/ | Generated Gerber files, ready for direct PCB fabrication |
| Drill files | Included within Gerber output set |
The Gerber files are formatted for compatibility with common PCB manufacturers such as JLCPCB, PCBWay, OSHPark, or similar fabrication services.
License Notice
The PCB design files in this directory are released under the CERN-OHL-W v2 hardware license.
You are permitted to fabricate, modify, and redistribute this PCB, provided that:
- Any distributed modified versions must clearly indicate changes made.
- Source files must remain available to future users (weak reciprocity requirement).
- Attribution to the original project (ESPiezometer) must be preserved.
The full license text is included in LICENSE.txt.
Reference
- The 3D enclosure STL files are located in
/1_Hardware_STL/under CERN-OHL-P v2. - The firmware is located in
/3_Firmware/under GPLv3. - For connector orientation, switch labeling, and peripheral alignment, refer to the Build Instructions PDF in
/5_Documentation/.
End of documentation entry for /2_PCB_Gerber_Files/.
Parts
15| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | Screw_Terminal_01x02 | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J1, J2, J3, J6 |
| 2 | Screw_Terminal_01x04 | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J4, J5 |
| 1 | 120Ω | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
| 1 | ESP32_C3_mni | 1_My_custom_library:ESP32_C3_MINI | U1 |
| 1 | Mini560 | 1_My_custom_library:Mini560 | U3 |
| 1 | RS485_TTL_slim | 1_My_custom_library:RS485_TTL_Slim | U2 |
| 1 | TP4056 battery charger | 1_My_custom_library:TP4056 baterry charger | U4 |
The 11 most common of 15 parts.
Questions
How big is the ESPiezometer PCB?
It measures 69.7 × 57.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the ESPiezometer use?
15 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 ESPiezometer KiCad files?
From the adbj-hw/ESPiezometer repository on GitHub, at the commit this page was made from: the board is 2_PCB_Gerber_Files/ESPiezometer.kicad_pcb and its schematic 2_PCB_Gerber_Files/ESPiezometer.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the ESPiezometer design in my own project?
Its repository states no licence, so its author keeps all rights: ask adbj-hw before reusing the design.
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