Keyers

Voice and morse code keyers

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Easy Morse Code Keyer Circuit - based on the famous Curtis family of morse keyer chips and has a proven record of dependability.
G4AXX Voice keyer Interface - This voice-keyer-interface connects between a Yaesu FT1000MP and a PC's sound card & COM port. It can be used as a voice-keyer with Contest Voice Blaster and as a voice-keyer and CW-keyer with Writelog.
Made your Iambic keyer - This iambic keyer uses a PIC16C84 or PIC16F84 microcontroller to generate the dot/dash timing and key the transmitter.
Simple Electronic Keyer - A simple keyer which can be built for as little as $6 with some junk box parts. Although this circuit is not a true iambic keyer, it is capable of producing perfectly sounding CW.

Alphabetical

CW keyer - The PIC-MORSE is an electronic iambic keyer, integrating a generator of Morse code and a sidetone. It is built with a microcontroller PIC16C711. In French
[Hits: 653 | Votes: 0 | Rating: 0.00]
CW Keyers - Morse keyers based on Norcal keyer chip and SKC kit from Hendricks QRP kits
[Hits: 521 | Votes: 0 | Rating: 0.00]
CW PIC keyer - CW keyer with microprocessor PIC16F628A
[Hits: 325 | Votes: 0 | Rating: 0.00]
Easy Morse Code Keyer Circuit - based on the famous Curtis family of morse keyer chips and has a proven record of dependability.
[Hits: 2652 | Votes: 3 | Rating: 6.33]
Economical keyer - Using the PicoKeyer chip. Features a 60 character memory, setup & message entry using a paddle and no battery is required to retain the memory.
[Hits: 588 | Votes: 0 | Rating: 0.00]
External Keypad for FT-817 - An external keypad for FT-817(ND), for the serious portable/field-day contester/operator. Homebrew it with the free firmware and public circuit diagram. The circuit is very simple and takes power supply from the ACC port of the radio
[Hits: 522 | Votes: 1 | Rating: 10.00]
FM Morse Code Keyer - A simple circuit which will generate a 700 Hz tone into any FM transceiver allowing an amateur to practice CW with another amateur on a 2 meter simplex frequency.
[Hits: 447 | Votes: 2 | Rating: 4.50]
G3YUH Morse Key Project - These pages cover the step by step construction of a Handmade Morse code telegraph key in pictures and text
[Hits: 597 | Votes: 1 | Rating: 5.00]
G4AXX Voice keyer Interface - This voice-keyer-interface connects between a Yaesu FT1000MP and a PC's sound card & COM port. It can be used as a voice-keyer with Contest Voice Blaster and as a voice-keyer and CW-keyer with Writelog.
[Hits: 1278 | Votes: 2 | Rating: 9.50]
Homebew a CW Key - Simple straight key built from scratch
[Hits: 483 | Votes: 0 | Rating: 0.00]
IK0WRB Keyer - IK0WRB CW Keyer using a PIC 16F84
[Hits: 435 | Votes: 1 | Rating: 10.00]
K8RA P2 Iambic Key Review Priority listing - A short review of the K8RA P2 Iambic key, and a few pictures by W4INF
[Hits: 395 | Votes: 2 | Rating: 10.00]
Made your Iambic keyer - This iambic keyer uses a PIC16C84 or PIC16F84 microcontroller to generate the dot/dash timing and key the transmitter.
[Hits: 1149 | Votes: 2 | Rating: 5.50]
MicroBeacon - The MicroBeacon is the combination of a memory keyer and controllable RF attenuator.
[Hits: 497 | Votes: 0 | Rating: 0.00]
Simple CW keyer - OH7SV ultimatic type keyer with Dit priority
[Hits: 264 | Votes: 0 | Rating: 0.00]
Simple Electronic Keyer - A simple keyer which can be built for as little as $6 with some junk box parts. Although this circuit is not a true iambic keyer, it is capable of producing perfectly sounding CW.
[Hits: 1067 | Votes: 4 | Rating: 6.00]
The 68HC705 Beacon Keyer Projects - C8 based Keyer, This microcontroller-based beacon controller board was originally developed during March - September 1996 to become part of the then replacement P29 beacon
[Hits: 149 | Votes: 0 | Rating: 0.00]
The Classic Micro TO Keyer - K8CU builds a classic 1967 QST semiconductor project during the 40th anniversary year of the original project publication.
[Hits: 217 | Votes: 0 | Rating: 0.00]
Tone Keyer For Morse Code Programs - Key your transmitter from the tone output of a Morse Code generator program
[Hits: 568 | Votes: 0 | Rating: 0.00]
Two PIC-Based Keyers - Keyer built with a PIC12F675 chip, by Andy Palm N1KSN
[Hits: 150 | Votes: 0 | Rating: 0.00]
Two PIC-Based Keyers - By Andy Palm N1KSN
[Hits: 381 | Votes: 1 | Rating: 8.00]
Yaesu FT100 Contest Assistant - Yaesu FT100 Ham Voice Keyer in Italian
[Hits: 369 | Votes: 0 | Rating: 0.00]

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Keyers

Voice and morse code keyers

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