Description:
This Morse code decoder DIY kit is convenient for students and electronics enthusiasts to learn and practice Morse code.
It can recognize the dots (.), dashes (-) and spaces of Morse code and convert them into corresponding characters or numbers.
Support audio signal input and display the received Morse code.
Can decode the received Morse code audio into characters and display the received code rate.
Widely used in early radio communications, Morse code is not only a way of communication but also a hobby and challenge, a way to understand and learn telecommunications technology.
Specification:
Type: Morse code decoder
Power supply: DC9V power supply
Working voltage: 9V
Working current: 33mA
PCB size: 101x50mm
Power supply: DC9V power supply
Working voltage: 9V
Working current: 33mA
PCB size: 101x50mm
Qty: 1 Pc
Function:
CW audio signal input
Display received Morse code
Decode received Morse code audio into characters
Display received bit rate
External CW button for practicing Morse code
CW audio signal input
Display received Morse code
Decode received Morse code audio into characters
Display received bit rate
External CW button for practicing Morse code
Operation instructions:
(1) Connect to DC9V power supply.
(2) Connect Morse code audio to the cw audio input terminal, which can decode Morse code audio into characters and display them on the LCD screen.
(3) The cw audio output terminal can output received Morse code audio and can be connected to speakers or headphones.
(4) Adjust the receiving threshold potentiometer to match the LED flashing frequency with the sound heard. (If it is not adjusted properly, the decoder cannot decode the audio)
(5) Press the self-locking switch to view the input Morse code, and it will not be displayed if it is released.
(6) Press the touch switch to check the code rate of the received Morse code.
(7) The CWKEY end is connected to the keypad to practice Morse code. The Morse code input by the keypad will be displayed on the LCD screen. (It cannot be input at the same time as the audio input, otherwise it will interfere with each other and cannot be decoded correctly)
(8) Short press on the keypad is a dot, and long press on the keypad is a dash. (Long press for more than 360ms is a dash, otherwise short press is a dot)
(1) Connect to DC9V power supply.
(2) Connect Morse code audio to the cw audio input terminal, which can decode Morse code audio into characters and display them on the LCD screen.
(3) The cw audio output terminal can output received Morse code audio and can be connected to speakers or headphones.
(4) Adjust the receiving threshold potentiometer to match the LED flashing frequency with the sound heard. (If it is not adjusted properly, the decoder cannot decode the audio)
(5) Press the self-locking switch to view the input Morse code, and it will not be displayed if it is released.
(6) Press the touch switch to check the code rate of the received Morse code.
(7) The CWKEY end is connected to the keypad to practice Morse code. The Morse code input by the keypad will be displayed on the LCD screen. (It cannot be input at the same time as the audio input, otherwise it will interfere with each other and cannot be decoded correctly)
(8) Short press on the keypad is a dot, and long press on the keypad is a dash. (Long press for more than 360ms is a dash, otherwise short press is a dot)
Package include:
1X decoder DIY parts
Note:
Product does not include a clear case.
Please allow 0.3-0.5cm differences due to manual measurement.
Due to the light and screen difference, the item's color may be slightly different from the pictures.
On Aug 6, 2025 at 21:07:22 PDT, seller added the following information: