Category Transmitters and receivers

This category lists all posts related to homebrewing your own transmitters and receivers.



Introduction “Spijker” is a dutch word for nail, which you would normally use to hang something on the wall, or to construct wooden stuff. However, (brass) nails can also be used as as solder pad. PA0KLS used this idea to…

CW keyer for foxes and beacons


Introduction Beacons and foxes have to identify themselves. Although I could sit along all day with my morse key, transmitting my call, I wanted to have some automatic keyer. Since I recently bought a PIC development kit (Velleman K8048), I…

Your first transmitter


With just a few components, you can make your own morse code transmitter. The output is only a few miliwatts, but this is enough to receive on any radio in your home. In fact, it is only a simple Clapp…