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2 layers31.5 × 47.5 mmIR LED Controller, the printed circuit board in 3D

IR LED Controller

wkkoes/IR-LED-Controller

Custom STM32-based PCB for an IR-controlled RGB LED driver with a USB-C power interface. Designed in KiCad and Zephyr RTOS firmware.

Size
31.5 × 47.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
17
Nets
33
Pads
82
Tracks, vias
185, 20
Pours
2
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
4 Jul 2026
Updated
8 Jul 2026

Overview

IR LED Controller is an open-source printed circuit board by wkkoes, from the wkkoes/IR-LED-Controller repository on GitHub. It is a 2-layer board of 31.5 × 47.5 mm with 17 parts on 33 nets, routed with 185 tracks and 20 vias.

It is built around the AMS1117-3.3. Its parts include 5 resistors, 3 capacitors, 3 ICs, 3 transistors and 3 connectors. It belongs with the STM32 boards of this library.

Main components

1

Parts

17
QtyValueFootprintReferences
3100Resistor_SMD:R_0805_2012MetricR3, R4, R5
3Q_NMOS_GSDPackage_TO_SOT_SMD:SOT-23Q1, Q2, Q3
210uFCapacitor_SMD:C_0805_2012MetricC1, C2
25.1kResistor_SMD:R_0805_2012MetricR1, R2
2Conn_01x04_PinConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ2, J3
1100nFCapacitor_SMD:C_0805_2012MetricC3
1AMS1117-3.3Package_TO_SOT_SMD:SOT-223-3_TabPin2U1
1STM32G030F6PxPackage_SO:TSSOP-20_4.4x6.5mm_P0.65mmU2
1TSOP382xxOptoDevice:Vishay_MOLD-3PinU3
1USB_C_Receptacle_USB2.0_14PConnector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12J1

Questions

How big is the IR LED Controller PCB?

It measures 31.5 × 47.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the IR LED Controller use?

17 parts, built around the AMS1117-3.3. 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 IR LED Controller KiCad files?

From the wkkoes/IR-LED-Controller repository on GitHub, at the commit this page was made from: the board is IR_LED_Controller.kicad_pcb and its schematic IR_LED_Controller.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the IR LED Controller design in my own project?

Its repository states no licence, so its author keeps all rights: ask wkkoes before reusing the design.

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