OOK/ASK transmitter 1 Articles . Hacking The IM-ME To Open Garages. June 8, 2015 by Anool Mahidharia 32 Comments . If you have a wireless controlled garage door, a child’s toy can wirelessly ...

For the transmitter, he turned an Arduino Pro Micro into a USB sound card which he could plug into his laptop. That outputs both the audio signal and a 40 kHz carrier signal, implemented using the ...

NASA lost contact with the interstellar Voyager 1 spacecraft for nearly a week after a technical glitch shut off the probe's main transmitter. Using Voyager's weaker backup transmitter, engineers ...