CW Keyer

IQ Keyer

https://hobbypcb.com/iq-keyer

https://sites.google.com/site/iqkeyerproject/home/assembly-manual

K3NG CW Keyer

https://github.com/k3ng/k3ng_cw_keyer/wiki

https://www.hamshop.cz/open-cw-keyer-c27/open-cw-keyer-i196/

K3NG CW Keyer by ZS2EZ

http://www.zs2ez.co.za/k3ng-keyer.html

CW Keyer with Arduino Nano by SV5FRI

http://www.sv5fri.eu/?p=1611149

Nano Keyer (Shop DE)

https://nanokeyer.wordpress.com/enclosure/

Arduino CW Keyer

https://blog.radioartisan.com/arduino-cw-keyer/

https://kf4bzt.wordpress.com/2015/08/06/arduino-cw-keyer-project/

https://ac0c.com/main/page_homebrew_a_few_good_cw_keyers.html

CW Keyer Kits

http://www.hamcrafters2.com/K16keyer.html

Capacitive CW Touch Circuits

https://m0ukd.com/homebrew/capacitive-cw-touch-key-circuits/

Ebay Shop

https://www.ebay.co.uk/itm/automatic-CW-key-with-memory-MORSE-code-keyer-/332202458123

https://www.ebay.co.uk/itm/CW-Key-Assembled-PCB-Ham-Radio-Morse-Code-kit-keyer/222316033280?hash=item33c3117500

Shop UK

http://www.g4zpy.go-plus.net/table1.htm