Datasheet

3/6
Button Pin BUTTON A BUTTON B BUTTON C
Speaker Speaker Pin
GROVE Port A & IP5306
We've use the customized I2C version of IP5306, on power management.
Its I2C address is 0x75.
ESP32 Chip GPIO22 GPIO21 5V GND
GROVE A SCL SDA 5V GND
IP5306 SCL SDA 5V GND
IP5306 charging/discharging ， Voltage parameter
charging discharging
0.00 ~ 3.40V -> 0% 4.20 ~ 4.07V -> 100%
.40 ~ 3.61V -> 25% 4.07 ~ 3.81V -> 75%
61 ~ 3.88V -> 50% 3.81 ~ 3.55V -> 50%
3.88 ~ 4.12V -> 75% 3.55 ~ 3.33V -> 25%
4.12 ~ / -> 100% 3.33 ~ 0.00V -> 0%
6-Axis MotionTracking Sensor MPU6886
MPU6886 I2C address 0x68
ESP32 Chip GPIO22 GPIO21 5V GND
MPU6886 SCL SDA 5V GND
3-Axis Geomagnetic Sensor BMM150
BMM150 I2C address 0x10
ESP32 Chip GPIO22 GPIO21 5V GND
BMM150 SCL SDA 5V GND
M5GO Base Port
GROVE Port B
ESP32 Chip GPIO36 GPIO26 5V GND
GROVE B GPIO36 GPIO26 5V GND
GROVE Port C
M5Stack Docs