Most Popular
    • Easy Morse Code Keyer Circuit
      based on the famous Curtis family of morse keyer chips and has a proven record of dependability.
    • 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.
    • Made your Iambic keyer
      This iambic keyer uses a PIC16C84 or PIC16F84 microcontroller to generate the dot/dash timing and key the transmitter.
    • Arduino CW Keyer
      Open source Arduino based CW (Morse Code) keyer with a lot of features and flexibility, often rivaling commercial keyers.
    • 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
    • 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.
    • Simple CW keyer
      OH7SV ultimatic type keyer with Dit priority
    • 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
    • CW PIC keyer
      CW keyer with microprocessor PIC16F628A
    • A Simple CW Keying Interface
      Functional, easy, and cheap, all good Ham Radio characteristics by Terry Fletcher, WA0ITP
    • 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.
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    • A HT-powered CW Interface - A keyed piezo beeper, connected to the microphone jack of a HT, appeared feasible as a ready-made MCW generator.
      [ Hits: 327 | Votes: 0 | Rating: 0.00 ]
    • A low cost morse Trainer / Keyer - By Prof. T. K. Mani - VU2ITI
      [ Hits: 1014 | Votes: 1 | Rating: 10.00 ]
    • A Simple CW interface - A RS-232 to DB9 CW Radio interface with schematic diagram to connect your pc running CT by K1EA or Writelog to your keyer.
      [ Hits: 386 | Votes: 0 | Rating: 0.00 ]
    • A Simple CW Keying Interface - Functional, easy, and cheap, all good Ham Radio characteristics by Terry Fletcher, WA0ITP
      [ Hits: 2070 | Votes: 4 | Rating: 1.25 ]
    • A simple iambic keyer - Very simple iambic keyer with only two chips
      [ Hits: 559 | Votes: 0 | Rating: 0.00 ]
    • Arduino CQ Caller - Arduino automatic CW Keyer for amateur radio
      [ Hits: 1185 | Votes: 2 | Rating: 4.00 ]
    • Arduino CW Keyer - Open source Arduino based CW (Morse Code) keyer with a lot of features and flexibility, often rivaling commercial keyers.
      [ Hits: 3816 | Votes: 9 | Rating: 6.77 ]
    • AVR Butterfly Keyer - The Atmel AVR Butterfly is a credit card sized board which contains an AVR MEGA169 processor, a six character LCD display, a five way joystick navigation switch, a piezo speaker, a 3 volt lithium battery cell for power and a few other odds and ends.
      [ Hits: 523 | Votes: 0 | Rating: 0.00 ]
    • CMOS Super Keyer - Home made keyer with 8 memories, auto spacing, adjustable speed & weighting, separate paddle and key inputs, beacon mode, positive or negative keying, fuse, extremely low power requirements, and a bullet proof housing by AA5TB
      [ Hits: 1695 | Votes: 1 | Rating: 6.00 ]
    • Contest Voice Keyer - DIY voice keyer for your next ham radio contest. An interesting homebew voice keyer project by ON7EQ
      [ Hits: 882 | Votes: 0 | Rating: 0.00 ]
    • CQ machine - A voice keyer for field day or general portable operations made with the DH8BQA cq machine kit
      [ Hits: 368 | Votes: 0 | Rating: 0.00 ]
    • CW Interface and Iambic Keyer - An homebrew project for a cw interface and iambic keyer, includes a full schematic diagram, source code and pictures
      [ Hits: 480 | Votes: 1 | Rating: 9.00 ]
    • CW K Pip Tone Unit - This is an add on for anyone who wants an automatic CW \"K\" PIP tone after each over.
      [ Hits: 279 | Votes: 1 | Rating: 10.00 ]
    • 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: 3145 | Votes: 3 | Rating: 4.00 ]
    • CW Keyer with WinKey emulation - A CW PIC based keyer [16F688] which can be used in WinKey emulation mode, works with CW software that supports WinKey, or use with any terminal type program. Hex code is FREE.
      [ Hits: 289 | Votes: 3 | Rating: 1.00 ]
    • CW PIC keyer - CW keyer with microprocessor PIC16F628A
      [ Hits: 2305 | Votes: 1 | Rating: 10.00 ]
    • Easy Morse Code Keyer Circuit - based on the famous Curtis family of morse keyer chips and has a proven record of dependability.
      [ Hits: 7036 | Votes: 4 | Rating: 7.25 ]
    • 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: 1658 | Votes: 0 | Rating: 0.00 ]
    • Electronic keyer by pressure sensor - Electronic keyer by pressure sensor. SEN-09673 is used for detecting touch.
      [ Hits: 290 | Votes: 1 | Rating: 6.00 ]
    • 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: 2354 | Votes: 2 | Rating: 5.50 ]
    • 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: 1824 | Votes: 3 | Rating: 3.33 ]
    • FSK interface and CW Keying Interface  updated - Easy to build RS232 keying interface for FSK and CW. Works with most popular RTTY software like MMTTY. Also works for with most contest software such as N1MM and Writelog for CW keying. Uses the RS232 port RTS, DTR, or TX data, optically isolated, PC boards available.
      [ Hits: 755 | Votes: 44 | Rating: 9.66 ]
    • FT290 CW KOX Circuit - This is not actually break-in but just KOX circuit. It can only be used on the CW mode otherwise it keys up the Tx
      [ Hits: 136 | Votes: 2 | Rating: 5.50 ]
    • 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: 3082 | Votes: 2 | Rating: 9.50 ]
    • Iambic-Squeeze-Keyer - A home made iambic Squeeze electronic keyer
      [ Hits: 1179 | Votes: 1 | Rating: 8.00 ]
    • IC-7000 voice keyer controller - A compact voice keyer for Icom IC-7000
      [ Hits: 201 | Votes: 1 | Rating: 1.00 ]
    • IK0WRB Keyer - IK0WRB CW Keyer using a PIC 16F84
      [ Hits: 1604 | Votes: 2 | Rating: 10.00 ]
    • Logikey K-5 Review - Review of Logikey K-5 Keyer
      [ Hits: 587 | Votes: 2 | Rating: 8.00 ]
    • M0KGK Keyer - The M0KGK keyer with variable speed and weight controls utilising a low cost PIC microcontroller.
      [ Hits: 604 | Votes: 0 | Rating: 0.00 ]
    • Made your Iambic keyer - This iambic keyer uses a PIC16C84 or PIC16F84 microcontroller to generate the dot/dash timing and key the transmitter.
      [ Hits: 4189 | Votes: 4 | Rating: 5.50 ]
    • Metamorserino Morse Code Keyer - CW Keyer Kit with capacitive touch paddle, with a lot of nice features. Easily expandable to a Morse code decoder
      [ Hits: 141 | Votes: 2 | Rating: 10.00 ]
    • MicroBeacon - The MicroBeacon is the combination of a memory keyer and controllable RF attenuator.
      [ Hits: 1144 | Votes: 1 | Rating: 10.00 ]
    • Morse Code Speedometer - Morse code speedometer project using the 16F84 PIC
      [ Hits: 483 | Votes: 1 | Rating: 3.00 ]
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CW Keyer

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