SKU:A144


















StampS3 GroveBreakOut is an expansion board designed specifically for the M5StampS3, equipped with 6 Grove interfaces, compatible with M5's portA/B/C standards (including I2C, IO (input/output), and UART interfaces). This expansion board features a built-in 16340/18350 lithium battery holder and a 1.25mm@2P lithium battery interface, allowing it to independently power the entire system. It also includes a battery power switch and a switch for toggling between USB and battery power. The onboard tactile switch is connected to the EN pin for reset control. Additionally, the board includes a lithium battery charging chip, a 5V boost system, and a battery level detection circuit, providing a stable and reliable power solution. Pre-drilled mounting holes are available for easy installation. This product is suitable for education and prototyping, IoT projects, wearable devices, automation, and robotics.
| Specification | Parameter |
|---|---|
| Grove Interface | 6xGrove(I2C/GPIO/UART) |
| Battery Type | 16340/18350 lithium battery |
| Header Specification | 1.27mm & 2.54mm |
| Lithium Battery Interface | 1.25mm@2P |
| Grove Interface Specification | HY2.0-4P |
| Mounting Hole Size | 3mm diameter |
| Operating Temperature | 0-40°C |
| Product Size | 47.5 x 38 x 23.2mm |
| Package Size | 75 x 45 x 29mm |
| Product Weight | 10.0g |
| Package Weight | 22.1g |


Grove Pin
| M5StampS3 | IO2 | IO1 | 5V | GND |
|---|---|---|---|---|
| Grove1 | G1 | G2 | Grove_5V | GND |
| Grove2 | G4 | G3 | Grove_5V | GND |
| Grove3 | G6 | G5 | Grove_5V | GND |
| Grove4 | G10 | G11 | Grove_5V | GND |
| Grove5 | G9 | G7 | Grove_5V | GND |
| Grove6 | G15 | G13 | Grove_5V | GND |
Battery Detect
| M5StampS3 | G8 |
|---|---|
| Battery(ADC) | BAT_ADC |