// Here we allow for 1 byte message length, 4 bytes headers, user data and 2 bytes of FCS #ifndef RH_ASK_MAX_MESSAGE_LEN #define RH_ASK_MAX_MESSAGE_LEN (RH_ASK_MAX_PAYLOAD_LEN - RH_ASK_HEADER_LEN - 3) ...
In the IDE, open File → Examples → ArduinoISP → ArduinoISP and Upload it to the Uno. arduino.cc After it uploads, place a 10 µF capacitor between RESET and GND on the Uno (positive lead to RESET, ...