Cactus Micro communication with ESP8266 with SoftwareSerial port (RX: 11, TX: 12) default. We can change it to the hardware serial port Serial1.
Prepare tools
- A knife
- A Solder
Soldering the jumper
Step1. Cut the jumper in the red square
Step2. Soldering the jumper to other side
You’re done. Now the Cactus Micro communicate with esp8266 by hardware serial port Serial1.
