AmazonPower supply: 3V-5V Communication: Serial Port(TTL level) Module with onboard antenna, signal strong EEPROM save the configuration parameter data when power down Baud Rate: 4800-115200(9600 default)
Power supply: 3V-5V Communication: Serial Port(TTL level) Module with onboard antenna, signal strong EEPROM save the configuration parameter data when power down Baud Rate: 4800-115200(9600 default)