Basic rgb
FromDarkHell·LegoDimensionsRGB·projects/rgb-controller/schematic/basic-rgb.kicad_pcb
About the Basic rgb PCB
Basic rgb is an open source ESP32 PCB design by FromDarkHell, published on GitHub. It is a 2-layer board measuring 49.5 × 37.3 mm, with 7 components from 6 distinct parts.
Its main chip is the XIAO-ESP32-S3-SMD, from the ESP32 family. By type, the board carries 4 connectors, 2 resistors and 1 IC.
It belongs with the iot & wireless designs in this gallery.
From the project
A complete reimplementation of the LEGO Dimensions toypad spec using embedded C++
This project is a simple ESP32-S3-based controller for (PS3/Wii U/PS4) LEGO Dimensions playpads. Note: This project does not emulate a full playpad. It only provides remote control of the LED colors via a web interface.
- Control the colors via a basic HTML webpage - (Semi) real-time HTTP logs of USB packets / etc
How To: - Connect the USB breakout board D-/D+ pins to your ESP32 - Splice a USB cable (or use a USB C/etc breakout board), and connect the VUSB and GND to the ESP32 and the USB Breakout Board.

Main components on the Basic rgb
Basic rgb bill of materials (BOM)
7 components, 6 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | XIAO-ESP32-S3-SMD | XIAO-ESP32S3-SMD | U1 |
| 1 | PLAYPAD | USB_A_Molex_67643_Horizontal | J1 |
| 1 | FTDI | PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | USB_DBG | PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | USB_C_Receptacle_PowerOnly_6P | USB_C_Receptacle_GCT_USB4135-GF-A_6P_TopMnt_Horizontal | J4 |
| 2 | 5.1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2 |
Basic rgb design files
The KiCad project lives in the FromDarkHell/LegoDimensionsRGB repository on GitHub; these links point at the commit this page was built from.
Basic rgb: common questions
What microcontroller does the Basic rgb use?
The Basic rgb is built around the XIAO-ESP32-S3-SMD, from the ESP32 family.
How big is the Basic rgb PCB?
The Basic rgb measures 49.5 × 37.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Basic rgb?
7 components, from 6 distinct parts. The full bill of materials is listed on this page.
Where can I download the Basic rgb design files?
From the FromDarkHell/LegoDimensionsRGB repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Basic rgb design in my own project?
The repository has no license, so all rights stay with FromDarkHell. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Basic rgb without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
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