Note:
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.
This is a 7-channel COB LED driver dock designed for Seeed Studio XIAO. This expansion board breaksXIAO Develoment Board GPIO power limits, offering 7 output channels, specifically tailored for driving 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.
- Adapted for 1mm-wide 3V COB LED Strips: The onboard hardware current limiting is specifically tuned to match the electrical characteristics of 3V 1mm flexible COB strips. The tiered 300mA and 80mA current limits effectively drive strips of various lengths, providing Makers with a safe, stable, and plug-and-play experience.
- Strategic 7-Channel Hybrid Output: Efficiently manages your entire lighting setup with a single board. It features 3 High-Power Channels (300mA) for bright main lighting and 4 Dimmable Channels (80mA) for delicate breathing or fading effects. One board handles it all—keeping your main lights bright and your effects dynamic.
- Battery Management for Wireless Projects: Integrated power circuit supports 3.7V Li-Po batteries or high-power 5V USB adapters. Perfect for building both wireless installations and high-brightness desktop ambient lighting.
- Easy Sensor Expansion: Includes a standard Grove I2C connector for hassle-free connection to sensors , allowing your lighting projects to react intelligently to the environment.
Parameter | Specification |
Supported LED models | |
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) |
- 3D Printed Model Decoration
- Creative Ambient Lighting
- DIY Electronic Crafts
- Model Kit Upgrades
COB LED Driver Board for Seeed Studio XIAO | ×1 |
| HSCODE | 8531909000 |
| USHSCODE | 8531903000 |
| UPC | |
| EUHSCODE | 8543709099 |
| COO | CHINA |
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