Code

Arduino + SI4713

Most users of SI4713 - FM Broadcast Stereo/RDS chipset use Adafruit library.

Apr 18 • YO3HJV

"My SD card is not detected by the Marauder"

but this can be fixed easy!

Dec 20, 2025 • YO3HJV

A GNSS Disciplined CTCSS, DCS and DTMF generator based on ESP32

Let me present a project to both show off and because it might be useful to others, a GNSS disciplined CTCSSDCS and DTMF generator.

Jul 25, 2025 • YO3HJV

Arduino Based Repeater Controller

A request from a fellow ham made me revisit an old project, and Arduino based repeater controller.

Jun 27, 2025 • YO3HJV

Simplyfying the code by using a tic-tac machine

Playing with Arduino and it's C++ I often use timed tasks.

Mar 23, 2024 • YO3HJV

Xiegu G90 CAT Tuner ideea

The Xiegu G90 fans desperately need a CAT command to enable the TUNE on the built in ATU.

Dec 8, 2021 • YO3HJV

#nojs-banner { position: fixed; bottom: 0; left: 0; padding: 16px 16px 16px 32px; width: 100%; box-sizing: border-box; background: red; color: white; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; font-size: 13px; line-height: 13px; } #nojs-banner a { color: inherit; text-decoration: underline; } This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts