How to change the serial port for Cactus Micro
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…