jpetep

Upper left there are two transmitters with blue relays, other has two relays, and other has four relays, those has built in antennas with black helix wires, which I have extended with external antennas outside with 3M stickers showing in picture...

Hello, I've been working with scoreboard project for teensy 4.1 , where have 433 Mhz garage door relay openers as remote controllers. For some reason those are not working with teensy as they should, range decreases very much when teensy is on...