usimd/milight-hub3Custom PCB to run Milight Hub for integrating Milight hardware into Homeassistant
Milight hub base is an open-source printed circuit board by usimd, from the usimd/milight-hub repository on GitHub, published under the CERN-OHL-S-2.0 licence. It is a 2-layer board of 30.2 × 19.8 mm with 24 parts on 24 nets, routed with 110 tracks and 55 vias.
It is built around the ESP32-C3-WROOM-02-H4, LM2841XQMK and B5819W. Its parts include 10 capacitors, 5 resistors, 3 ICs, 2 connectors and 1 diode. It belongs with the home automation and IoT and interfaces and adapters boards and the ESP32 and RISC-V boards of this library.
Compact ESP32-C3 and nRF24L01+ based hardware for running a MiLight hub.
This repository contains a KiCad hardware design for a small standalone MiLight bridge board.
The design is built around:
ESP32-C3-WROOM-02nRF24L01+ compatible radio module (castellated SMD version)3.3 VThe goal is a compact dedicated board for MiLight integration rather than a generic development board or Home Assistant add-on.
This board is designed to run ESPHome with the hencou/mi external component for MiLight protocol handling (including FUT022 CCT support). An ESPHome configuration is included in the esphome/ directory.
The firmware provides bidirectional MiLight RF communication and integrates with Home Assistant natively via the ESPHome API.
milight-hub-base.kicad_pro: KiCad projectmilight-hub-base.kicad_sch: schematicmilight-hub-base.kicad_pcb: PCB layoutmilight-hub-base.kicad_dru: board design rulesfp-lib-table: project footprint library tablelib/: local project footprints and 3D assetsesphome/: ESPHome firmware configurationenclosure/: FreeCAD enclosure design and 3MF export for printinglib/The hardware design files in this repository are licensed under the CERN Open Hardware Licence Version 2 - Strongly Reciprocal (CERN-OHL-S-2.0). See LICENSE.
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| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 0.1u | Capacitor_SMD:C_0805_2012Metric | C2, C5, C7 |
| 3 | 10k | Resistor_SMD:R_0805_2012Metric | R1, R2, R5 |
| 2 | 10u | Capacitor_SMD:C_0805_2012Metric | C1, C4 |
| 2 | 10u 50V | Capacitor_SMD:C_0805_2012Metric | C6, C8 |
| 2 | 47uF 10V | Capacitor_SMD:C_0805_2012Metric | C9, C10 |
| 1 | 1.2k | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | 15u | Inductor_SMD:L_Bourns-SRN4018 | L1 |
| 1 | 1u | Capacitor_SMD:C_0805_2012Metric | C3 |
| 1 | 3.9k | Resistor_SMD:R_0603_1608Metric | R4 |
| 1 | B5819W | Diode_SMD:D_SOD-123 | D1 |
| 1 | Conn_01x02 | Connector_Molex:Molex_PicoBlade_53261-0271_1x02-1MP_P1.25mm_Horizontal | J1 |
| 1 | Conn_01x06 | lib:Connector_PogoClamp_1.27mm | J2 |
| 1 | ESP32-C3-WROOM-02 | RF_Module:ESP32-C3-WROOM-02 | U1 |
| 1 | LM2841X | Package_TO_SOT_SMD:TSOT-23-6 | U3 |
| 1 | NRF24L01_Breakout | NRF24_Module:NRF24L01-Module-SMD | U2 |
| 1 | SW_Push | Button_Switch_SMD:SW_SPST_PTS647_Sx50 | SW1 |
The 23 most common of 24 parts.
It measures 30.2 × 19.8 mm and has 2 copper layers, 1.58 mm thick.
24 parts, built around the ESP32-C3-WROOM-02-H4, LM2841XQMK and B5819W. 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.
From the usimd/milight-hub repository on GitHub, at the commit this page was made from: the board is milight-hub-base.kicad_pcb and its schematic milight-hub-base.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the CERN-OHL-S-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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