KD1JV Standalone SKC Keyer – $25

 

QRPBuilder is offering Steve’s popular simple keyer chip that has been designed to function as a battery operated standalone keyer with two non volatile programmable memories and setup parameters. It is powered by a common CR2032 coin cell with <10 uA requirement for long battery life, so you pre-programmed messages are retained.

Like the original SKC Keyer, it has adjustable speed from 5 WPM – 30 WPM. There are two programmable memories at (64 characters each), also Beacon, and Tune mode. Iambic B supported, as well as straight key detection on start-up if a non-stereo plug used. Connections are common 3.5mm stereo jacks for your paddle and connection to your transmitter. There are function choices for the onboard speaker to accommodate transmitters without side tone and jumper for led indication of code being sent. The board measures is 1.31″ x 2.0″. The tools required are a soldering iron with a small tip, rosin core solder, small side cutters, and can be built in less than an hour. On a difficulty scale of 1 to 5, 5 being the most difficult, this is rated at 2.

 

Click here for assembly manual