2 layers65 × 56 mm
2 layers94 × 63.5 mm
Schematics
Etto48/Watchman- Size
- 94 × 63.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 23
- Nets
- 19
- Pads
- 86
- Tracks, vias
- 129, 5
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 21 Dec 2025
- Updated
- 9 Jan 2026
Overview
Schematics is an open-source printed circuit board by Etto48, from the Etto48/Watchman repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 94 × 63.5 mm with 23 parts on 19 nets, routed with 129 tracks and 5 vias.
Parts
23| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | ~ | Button_Switch_THT:SW_PUSH_6mm | A1, B1, DOWN1, LEFT1, RIGHT1, UP1 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_2.2mm_M2_DIN965_Pad_TopBottom | H1, H2, H3, H4 |
| 3 | R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3 |
| 1 | Battery | custom:Battery | Battery |
| 1 | Buzzer | Buzzer_Beeper:MagneticBuzzer_StarMicronics_QMX | BZ1 |
| 1 | ~ | custom:128x64OLED | 128x64OLED1 |
| 1 | ~ | custom:TP4056-18650 | BatteryCharger1 |
| 1 | ~ | custom:PowerHeader BACKSIDE | BAT1 |
| 1 | ~ | custom:IOPins | IO1 |
| 1 | ~ | custom:BuckBoost3.3V_0.85A | Regulator1 |
| 1 | ~ | custom:PowerHeader | POW1 |
| 1 | ~ | custom:TMPSensor | TMP1 |
| 1 | ~ | custom:MODULE_ESP32-C3_SUPERMINI_TH | ESP32 |
Questions
How big is the Schematics PCB?
It measures 94 × 63.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Schematics use?
23 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 Schematics KiCad files?
From the Etto48/Watchman repository on GitHub, at the commit this page was made from: the board is schematics/schematics.kicad_pcb and its schematic schematics/schematics.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Schematics design in my own project?
Its repository publishes it under the GPL-3.0 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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