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2 layers44.9 × 45.1 mmTop, the printed circuit board in 3D

A radiator controller for the ESP32-S2 dev board

Size
44.9 × 45.1 mm
Copper layers
2
Thickness
1.6 mm
Parts
11
Nets
25
Pads
62
Tracks, vias
87, 12
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
17 Aug 2025
Updated
30 Sep 2025

Overview

Top is an open-source printed circuit board by ray33ee, from the ray33ee/radiator_rust repository on GitHub. It is a 2-layer board of 44.9 × 45.1 mm with 11 parts on 25 nets, routed with 87 tracks and 12 vias.

It is built around the AHT20-F and CLT-108-02-F-D-BE-K-TR. Its parts include 3 resistors, 2 connectors, 1 IC and 1 diode.

Main components

2

Parts

11
QtyValueFootprintReferences
3RResistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR1, R2, R3
2SolderJumper_2_BridgedJumper:SolderJumper-2_P1.3mm_Bridged2Bar_RoundedPad1.0x1.5mmJP1, JP2
2SolderJumper_2_OpenJumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mmJP3, JP4
1AHT20-Fcustom:AHT20U1
1CLT-108-02-F-D-BE-K-TRcustom:SAMTEC_CLT-108-02-F-D-BE-K-TRJ1
1Conn_01x04_SocketConnector_JST:JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_HorizontalJ2
1LED_RBGALED_SMD:LED_Cree-PLCC4_3.2x2.8mm_CCWD1

Questions

How big is the Top PCB?

It measures 44.9 × 45.1 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Top use?

11 parts, built around the AHT20-F and CLT-108-02-F-D-BE-K-TR. 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 Top KiCad files?

From the ray33ee/radiator_rust repository on GitHub, at the commit this page was made from: the board is schematics/top/top.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 Top 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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