Hardware Reference
In-Depth Information
If you check the first device's
Serial Monitor
tab, you should see that it is now receiving
the sending device's message. It should look something like the following screenshot:
Now, you can disconnect the receive Arduino; it will retain this program and run it each
time the unit is powered on. Connect this Arduino to a battery by plugging the battery
GND and VCC to the GND and VIN pins on this receive Arduino. If you are using a cell
phone's USB charger, you can connect it to the USB port on Arduino, as shown in the fol-
lowing image:
The LED on the receive Arduino should be flashing, indicating that the two Arduinos are
communicating.
