Base M5GO Bottom2 is an expansion base designed specifically for the M5Core2. The base integrates an MPU6886 six-axis motion sensor, a digital microphone (SPM1423), and a 500 mAh lithium battery. Two HY2.0-4P expansion interfaces bring out commonly used ADC/DAC/UART pins, allowing for the connection of various types of sensors. On both sides of the base, there are 10 programmable RGB LEDs (SK6812), which, combined with a frosted light-transmitting material, provide a soft and comfortable lighting effect. The bottom features a pogo pin magnetic charging interface. When attached to the charging base, current flows safely into the internal battery through the built-in TP4057 charging chip. In addition to the charging function, the pogo pin interface also brings out the main control I2C bus, allowing for external expansion via magnetic attachment. The built-in magnets and LEGO-compatible hole design on the back enable seamless integration with other LEGO structures.
