#include RCSwitch rcSwitch = RCSwitch(); void setup() { rcSwitch.enableTransmit(10); Serial.begin(9600); // == 2400 wtf??? pinMode(A0, INPUT); } void loop() { unsigned int val=abs(analogRead(A0)); unsigned long V=round(val * 0.006270 * 1000); Serial.println(V); Serial.println((V * 1000) << 2 | 0x00); rcSwitch.send((V * 1000) << 2 | 0x00, 24); delay(500); } // 244 = 1.53 // 100 = X