4.8 Bluetooth remote control wiring diagram
As the Bluetooth module and the serial port of the writer share the IO ports 0 and 1, it will cause
failure in burning. Please remove the VCC of the Bluetooth module power supply before burning,
and then supply power to the Bluetooth module after finishing.
14
Need help?
Do you have a question about the Smartduino HC-SR04 and is the answer not in the manual?