2 layers62.2 × 76.2 mm
2 layers62.2 × 76.2 mm
My third electromagnetically driven wooden geared clock
- Size
- 62.2 × 76.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 29
- Nets
- 35
- Pads
- 96
- Tracks, vias
- 115, 8
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 16 Mar 2023
- Updated
- 11 Oct 2026
Overview
Pcb3.3 is an open-source printed circuit board by phorton1, from the phorton1/Arduino-theClock3 repository on GitHub. It is a 2-layer board of 62.2 × 76.2 mm with 29 parts on 35 nets, routed with 115 tracks and 8 vias.
It is built around the BC548 and IRF9540NS. Its parts include 9 resistors, 7 connectors, 2 capacitors, 2 transistors and 2 switches. It belongs with the ESP32 boards of this library.
Main components
2Parts
29| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 10K | 0_my_footprints:myResistor | R1, R2, R3, R4, R5, R6, R7, R8, R9 |
| 2 | SW | 0_my_footprints:myButtonAngled | SW1, SW2 |
| 2 | coil1 | 0_my_footprints:myPinSocket_1x02 | J2, J4 |
| 2 | coil2 | 0_my_footprints:myPinSocket_1x02 | J3, J6 |
| 1 | 100 uf | 0_my_footprints:CP_my100uf | C2 |
| 1 | 1N4741 | 0_my_footprints:myZenerDiode | D1 |
| 1 | 330uf | 0_my_footprints:CP_my100uf | C1 |
| 1 | BC548 | 0_my_footprints:myTransistor | Q1 |
| 1 | ESP32_DEV_0 | 0_my_footprints:myESP32DEV0 | U2 |
| 1 | IRF9540N | 0_my_footprints:myThreeLegged | Q2 |
| 1 | Sensor | 0_my_footprints:myJSTx04 | J5 |
| 1 | leds | 0_my_footprints:myJSTx03 | J8 |
| 1 | power | 0_my_footprints:myJSTx04 | J1 |
The 24 most common of 29 parts.
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Questions
How big is the Pcb3.3 PCB?
It measures 62.2 × 76.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Pcb3.3 use?
29 parts, built around the BC548 and IRF9540NS. 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 Pcb3.3 KiCad files?
From the phorton1/Arduino-theClock3 repository on GitHub, at the commit this page was made from: the board is docs/kicad/pcb3.3/pcb.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Pcb3.3 design in my own project?
Its repository states no licence, so its author keeps all rights: ask phorton1 before reusing the design.