#define TCA9554_INPUT_REG 0x00 // Input register,input level #define TCA9554_OUTPUT_REG 0x01 // Output register, high and low level output #define TCA9554_Polarity_REG 0x02 // The Polarity Inversion ...

uint8_t I2C_writr_buff(uint8_t addr,uint8_t reg,uint8_t *buf,uint8_t len); uint8_t I2C_read_buff(uint8_t addr,uint8_t reg,uint8_t *buf,uint8_t len); uint8_t I2C ...

With just an Arduino board, a DHT11 sensor, and an I2C LCD, you can create a simple yet effective weather station at home. This beginner-friendly project displays real-time temperature and humidity ...

One of the more interesting categories of our ongoing Green Power Challenge is “anything but PV” — and since the radiated ...