A low-power, compact keypad module based on the STM32L010K4T6 microcontroller. This project includes a 12-button keypad interfaced with a host MCU via I2C or UART, designed to serve as a mini keyboard ...
ADXL345是一款低功耗,三轴MEMS加速度计模块,具有I2C和SPI接口。这些模块的Adafruit Breakout板载板载3.3v电压调节和电平转换功能,使其易于与Arduino等5v微控制器接口。 ADXL345具有4个灵敏度范围,从+/- 2G到+/- 16G。它支持10Hz到3200Hz的输出数据速率。 工作原理: MEMS ...