

Diagnostics
A radiator controller for the ESP32-S2 dev board
- Size
- 34.5 × 17.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 10
- Nets
- 15
- Pads
- 30
- Tracks, vias
- 37, 10
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 17 Aug 2025
- Updated
- 30 Sep 2025
Overview
Diagnostics is an open-source printed circuit board by ray33ee, from the ray33ee/radiator_rust repository on GitHub. It is a 2-layer board of 34.5 × 17.8 mm with 10 parts on 15 nets, routed with 37 tracks and 10 vias.
Its parts include 4 resistors, 4 diodes and 2 connectors.
Parts
10| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | LED | LED_SMD:LED_1206_3216Metric_Pad1.42x1.75mm_HandSolder | D1, D2, D3, D4 |
| 4 | R | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1, R2, R3, R4 |
| 1 | Conn_01x06 | Connector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_Horizontal | J2 |
| 1 | SAMTEC-MMT-104-02-X-DH | custom:SAMTEC-MMT-104-02-X-DH | J1 |
Questions
How big is the Diagnostics PCB?
It measures 34.5 × 17.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Diagnostics use?
10 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 Diagnostics KiCad files?
From the ray33ee/radiator_rust repository on GitHub, at the commit this page was made from: the board is schematics/diagnostics_simple/diagnostics.kicad_pcb and its schematic schematics/dev_board/dev_board.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Diagnostics design in my own project?
Its repository states no licence, so its author keeps all rights: ask ray33ee before reusing the design.
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