
Power Supply: When driving all channels simultaneously, the total current may exceed the limit of a standard computer USB port (causing flickering or dimming). In this case, please connect a 3.7V Li-Po battery or use a 5V/2A USB wall adapter.
Driver Board Specification
Parameter | Specification |
COB LED Power Support | DC 3V |
Power Input | 5V/1A USB (via XIAO) Note: A 5V/2A+ wall adapter is recommended for full-load operation. |
3.7V Li-Po Battery (via onboard Battery Port) | |
3x High-Power Ports (Screw Terminals) | 3 Channels Output |
Drive Capability: Max 300mA/channel | |
Control Logic: 1x Always-On + 2x GPIO Switch(D0,D1) | |
Note: On/Off Switch Only, NO PWM Support | |
4x Low-Power Ports (Bottom Pads) | 4 Channels Output |
Drive Capability: Max 80mA/channel | |
Control Logic: Fully Dimmable (PWM) via D2, D3, D8, D9 | |
Note: Active LOW logic | |
Onboard | Grove I²C Connector x1 |
Power Switch x1 | |
Power LED x1 | |
Battery Connector x1 | |
Supported XIAO | XIAO RP2040、XIAO RP2350、XIAO nRF52840、XIAO ESP32-C3/C6/S3、XIAO RA4M1、XIAO MG24 |
Dimensions | 30mm*41mm*16mm(With a Seeed Studio XIAO) |
COB LED Strip Specification
Product | Name | Length | Operating Current | Luminous Flux | Cut Fit |
Double Ended COB LED Strip - 38mm White 6500K(10PCS) | Flexible 3V Filament | 38mm | 100mA (Recommended) | >20 lm (@ 100mA) | No | |
130mm Flexible COB LED Filament (White) - High Brightness for Sabers & Neon | 130mm | 300mA (Recommended) | 21-25 lm (@ 300mA) | No | |
300mm Flexible COB LED Filament (White) - High Brightness for Sabers & Neon | 300mm | 300mA (Recommended) | >50 lm (@ 300mA) | No | |
Single Ended Cuttable COB LED Strip - 110mm White | DIY Custom Length | 110mm | 100mA (Recommended) | >23 lm (@ 200mA) | Yes | |
Single Ended Cuttable COB LED Strip - 300mm White | DIY Custom Length | 300mm | 100mA (Recommended) | >22 lm (@ 100mA) | Yes |
This is a customizable COB LED DIY Kit designed for Seeed Studio XIAO. The kit centers on a 7-channel expansion board that breaks GPIO power limits , specifically tailored for driving the included series of low-power, ultra-narrow 1mm 3V COB LED strips. With integrated PMIC battery management, it is the ideal plug-and-play solution for building compact, high-brightness wireless lighting setups.