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the picokeyer series of electronic memory morse code keyers are very popular and are being used every day by thousands of hams around the world
post 04 Feb 2021

Memory keyers Links


The CW Keyer
I finally decided on using the PK-4 IC from Jackson Harbor Press My decision was based on the number of features incorporated into their device

Arduino morse keyer
using a paddle to operate in morse code is very convenient. but paddles don't create dots and dashes on their own, so you need some electronics, called a keyer

CW Keyer with Arduino Nano
the keyer is suitable as a standalone keyer or for keying the radio via the usb port from a connected computer and your favoured contest logging software or for daily operation

Project Memory Keyer
I have used this keyer for several QSOs and it works well enough