#include void telemetryKitCallback(char *packet, size_t length) { Serial.print("Received packet: "); Serial.println(packet); } void setup() { extern Afsk modem; Serial.begin(9600); TelemetryKitInit(); } void loop() { char msg[] = "Hello world! This is a string to be transmitted.\n"; TelemetryKitTransmit(msg, sizeof(msg)); while (true) { TelemetryKitPoll(); } }