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2 layers235 × 235 mmRGB Panel R0, the printed circuit board in 3D

a remote controllable LED Panel

Size
235 × 235 mm
Copper layers
2
Thickness
1.6 mm
Parts
299
Nets
193
Pads
943
Tracks, vias
894, 145
Pours
2
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
2 Sep 2026
Updated
2 Sep 2026

Overview

RGB Panel R0 is an open-source printed circuit board by bit-mechanic, from the bit-mechanic/Britecraft repository on GitHub. It is a 2-layer board of 235 × 235 mm with 299 parts on 193 nets, routed with 894 tracks and 145 vias.

It is built around the LM2576S-5.0 and WS2812B. Its parts include 145 resistors, 145 diodes, 5 capacitors and 4 ICs. It belongs with the lEDs and displays boards of this library.

Main components

2

README

README.md

Britecraft

a remote controllable LED Panel

my first GitHub repo so please be nice I don't know how to use this nor any standards ✌ project is currently broken into 2 Revs:

Rev0

Rev0 is a 12x12 array of WS2812B addressable LEDs controlled by a STM32C551 MCU and with a 12V/3A input. It is built with a custom NIC driver to be controlled by an IR controller. It also has built-in power draw estimations and limiting ad the board ad full brightness pulls about 5.5A when the supply can only handle 3A.For lighting options it currently supports brightness adjustments, block color output, patterns (heart only so far) and rainbow output with speed adjustment.

Rev1

Rev1 is still under development, it was created to fix certain problems with the Rev0, such as:

  • Lack of drilled holes for mounting
  • Lost layout (Rev0 KiCAD layout was lost)
  • using IR remote can be annoying, Bluetooth with app may be easier
  • Power waste (WS2812 have internal 5->3v3 LDO, 24% waste power)
  • Expandability, Rev1 will be smaller, but expandable
  • Resolution (rev0 px/in^2 was low and diffusion barely helped)

to achieve these Rev1 will feature a dual design with a control board run by an ESP32, used for accepting commands and commanding others boards, and an expansion board, run by an STM32C551 that will accept and propagate commands to other expansion boards through a yet undecided UART/I2C/SPI/CAN array

Parts

299
QtyValueFootprintReferences
144WS2812BLED_SMD:LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mmLED1, LED10, LED11, LED100, LED101, LED102, LED103, LED104, LED105, LED106, LED107, LED108, LED109, LED110, LED111, LED112 +128
143DNPResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR1, R10, R11, R100, R101, R102, R103, R104, R105, R106, R107, R108, R109, R110, R111, R112 +127
2100uFCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC8, C10
1100Resistor_SMD:R_0805_2012MetricR145
11000uFCapacitor_SMD:CP_Elec_10x10.5C9
110uFCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC4
110ufResistor_SMD:R_0805_2012MetricC5
11N5822Diode_THT:D_DO-201AD_P15.24mm_HorizontalD3
1>20KResistor_SMD:R_0805_2012MetricR146
1LM2576S-5Package_TO_SOT_SMD:TO-263-5_TabPin3U5
1NCP1117-1.5_SOT223Package_TO_SOT_SMD:SOT-223-3_TabPin2U2
1TSDP341xxOptoDevice:Vishay_MOLD-3PinU1
1~Package_QFP:LQFP-48_7x7mm_P0.5mmU3

Questions

How big is the RGB Panel R0 PCB?

It measures 235 × 235 mm and has 2 copper layers, 1.6 mm thick.

What parts does the RGB Panel R0 use?

299 parts, built around the LM2576S-5.0 and WS2812B. 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 RGB Panel R0 KiCad files?

From the bit-mechanic/Britecraft repository on GitHub, at the commit this page was made from: the board is Rev0/KiCAD files/RGB_Panel_R0.kicad_pcb and its schematic Rev0/KiCAD files/RGB_Panel_R0.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the RGB Panel R0 design in my own project?

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

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