KD1JV Standalone SKC Keyer – $20
QRPBuilder is offering Steve’s popular simple keyer chip that has been designed to function as a battery operated standalone keyer. It is powered by a common CR2032 coin battery for many hours of operation, drawing only 3mA.
Like the original SKC Keyer, it has adjustable speed from 5 WPM – 30 WPM. There are two programmable memories at (60 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. The keyer uses a 3.5mm stereo jack for your paddle and connection to your transmitter. The board measures is 1 3/16″ x 2″. The tools required are a soldering iron with a small tip, rosin core solder, small side cutters, and can be built in 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
