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Keyer circuit
- The heart of the keyer is the pic16f877a chip,this is a 20MHz
post 27 May 2026
Voice_Messages_Keyer Links →
MicroHAM High-End Contesting & DX-ing Accessorie
radio logging software-rig control-rig interfaces-cat interfaces logic-trx-manager
PICAXE-08M Standalone Automatic Voice Keyer
I then went back to Quasar Electronics and looks at the other options and decided on and bought the 3189 kit which is a 120 second multi-message sound recorder module
PC Voice Keyer audio interface
We use sm3wmv PC-based Voice Keyer software. This plays a pre-recorded sound file when you press one of the function keys, and puts the radio into transmit using the RTS line of a serial port
Pic keyer
QRP keyer circuit diagram for PIC16F84
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radio logging software-rig control-rig interfaces-cat interfaces logic-trx-manager
I then went back to Quasar Electronics and looks at the other options and decided on and bought the 3189 kit which is a 120 second multi-message sound recorder module
We use sm3wmv PC-based Voice Keyer software. This plays a pre-recorded sound file when you press one of the function keys, and puts the radio into transmit using the RTS line of a serial port
QRP keyer circuit diagram for PIC16F84
Hamplus Quality Ham Radio Equipmen Automatic Remote Antenna Switch for 3 Radio and 6 Antennas
Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica
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