F9Motion/RGB-LampCustom RGB Lamp
RGB Lamp is an open-source printed circuit board by F9Motion, from the F9Motion/RGB-Lamp repository on GitHub. It is a 2-layer board of 20.4 × 28.5 mm with 16 parts on 44 nets, routed with 207 tracks and 24 vias.
It is built around the ESP32-C3-DEVKITM-1, MT3608 and WS2812B. Its parts include 4 resistors, 4 ICs, 4 diodes, 2 switches and 1 connector. It belongs with the lEDs and displays boards and the ESP32 and RISC-V boards of this library.
A cylindrical frosted-glass mood lamp with 4 addressable RGB LEDs, a small OLED screen and two buttons. It has 14 color modes, adjustable brightness and a smooth fade on/off. The whole thing sits on a custom round PCB and is powered over USB-C.
I find RGB Lamp like this in marketplace and take idea :D
The ESP32 runs MicroPython firmware that drives 4 addressable LEDs through a single data pin. Two tactile buttons control modes and brightness, and an SSD1306-compatible OLED on the I2C bus shows the status. The glass diffuser spreads the light from the LEDs into one even glow.
| Function | GPIO |
|---|---|
| LED data | 2 |
| Button 1 | 4 |
| Button 2 | 5 |
| OLED SDA | 8 |
| OLED SCL | 9 |
| Action | Result |
|---|---|
| Button 1: hold for 2 seconds | Turn the lamp on / off (fade) |
| Button 1: short press | Next mode |
| Button 1: double press | Brightness +10% |
| Button 2: short press | Previous mode |
| Button 2: quick repeated press | Brightness −10% |
/pcb folder (KiCad project: RGB_LAMP.kicad_pro).bottom.step, top.step and pushes.step from the /cad folder. Suggested settings: PLA, 0.2 mm layer height, [15%] infill. The glass.step part is the diffuser: print it in white/translucent filament or use a frosted tube [choose one].pushes) into the holes.firmware/firmware.py in Thonny.main.py (File → Save as → MicroPython device).| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | R_Small | Resistor_SMD:R_0805_2012Metric | R1, R2, R3, R4 |
| 4 | WS2812B | LED_SMD:LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D1, D2, D3, D4 |
| 2 | SW_Push | Button_Switch_THT:SW_PUSH_6mm | SW1, SW2 |
| 1 | Battery_Cell | Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal | BT1 |
| 1 | ER_OLEDM0.91_1x-I2C | Display:ER_OLEDM0.91_1x-I2C | U1 |
| 1 | ESP32-C3-DevKitM-1 | RF_Module:ESP32-C3-DevKitM-1 | U2 |
| 1 | MCP73831-2-MC | Package_DFN_QFN:DFN-8-1EP_3x2mm_P0.5mm_EP1.7x1.4mm | U3 |
| 1 | MT3608 | Package_TO_SOT_SMD:SOT-23-6 | U4 |
| 1 | USB_C_Receptacle_USB2.0_16P | Connector_USB:USB_C_Receptacle_HCTL_HC-TYPE-C-16P-01A | J1 |
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It measures 20.4 × 28.5 mm and has 2 copper layers, 1.6 mm thick.
16 parts, built around the ESP32-C3-DEVKITM-1, MT3608 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.
From the F9Motion/RGB-Lamp repository on GitHub, at the commit this page was made from: the board is Kicad and blend file/RGB LAMP/RGB LAMP.kicad_pcb and its schematic Kicad and blend file/RGB LAMP/RGB LAMP.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask F9Motion before reusing the design.