CH341A Adattatore USB a I2C/IIC/SPI/UART/TTL/ISP Convertitore porta parallela EPP/MEM
Support multiple serial communication modes UART, I2C, SPI;. Supports 2-wire and 4-wire synchronous serial interface, I2C supports four transmissions. USB->I2C Master adjustable speed, 20K 100K 400K 750K.