21,437 意见 · 30/06/25
5,927 意见 · 02/06/25
How to learn Morse Codes
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04/04/25
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One way is to use a small device with use of a microcontroller to train offline. This video shows the way of implementation and the coding too. It is implemented with an ATtiny85 and an ESP32. Have fun
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21,437 意见 · 30/06/25
5,927 意见 · 02/06/25
