ILM139C panel 4x4
EDrTech·ILM139C·pcb_src/v1.0.0/ILM139C_matrix/prod/ILM139C_panel_4x4.kicad_pcb
About the ILM139C panel 4x4 PCB
ILM139C panel 4x4 is an open source PCB design by EDrTech, published on GitHub under the CERN-OHL-P-2.0 license. It is a 4-layer board measuring 120 × 88 mm, with 119 components from 2 distinct parts.
Other key parts include the XL-B1010RGBT-HF. By type, the board carries 117 ICs and 2 connectors.
It belongs with the displays & leds designs in this gallery.
From the project
https://github.com/user-attachments/assets/0ada246c-68c4-4b34-9f10-4a2aee3bf7c3
https://github.com/user-attachments/assets/0ada246c-68c4-4b34-9f10-4a2aee3bf7c3
- Very small footprint of 26mm18mm - 13x9 RBG LED matrix - 1mm1mm LEDs, with 2mm pitch - IS31FL3741A Driver - 2.7V~5.5V Operating voltage - QWIIC Connector - Selectable i2c address - Removable driver/matrix boards - Separate power supply connector

Main components on the ILM139C panel 4x4
ILM139C panel 4x4 bill of materials (BOM)
119 components, 2 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 117 | XL-B1010RGBT-HF | LED-SMD_4P-L1.0-W1.0-TR_1 | U2, U3, U4, U5, U6, U7, U8, U9 +109 |
| 2 | AXE640124D | CONN-SMD_40P-P0.40_OK-14GM040-04 | CN3, CN4 |
ILM139C panel 4x4 design files
The KiCad project lives in the EDrTech/ILM139C repository on GitHub; these links point at the commit this page was built from.
ILM139C panel 4x4: common questions
How big is the ILM139C panel 4x4 PCB?
The ILM139C panel 4x4 measures 120 × 88 mm, has 4 copper layers and is 0.7912 mm thick.
How many components are on the ILM139C panel 4x4?
119 components, from 2 distinct parts. The full bill of materials is listed on this page.
Where can I download the ILM139C panel 4x4 design files?
From the EDrTech/ILM139C repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the ILM139C panel 4x4 design in my own project?
Yes, under the terms of its CERN-OHL-P-2.0 license, which EDrTech chose for the repository.
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