📟 Morse Code Encoder/Decoder 🛠️ Project Overview This Arduino sketch lets you encode and decode Morse Code! 🔹 Decode by keying in Morse sequences with a button. 🔹 Encode by typing letters into the ...

This project demonstrates how to implement a basic temperature alarm in arduino that uses non-blocking code to make the interaction with arduino always responsive. One of the LED will always blink to ...

All the code is available on GitHub in case you also have a DSC 1550 alarm system. It’s a pretty slick hack, so don’t forget to check out the video after the break.

After uploading the code the Piezo will start making short beeps. On bright light the Piezo will only beep and on dark light it will be short. Some ideas for this experiment: Alarm for Lights in the ...

Posted in Arduino Hacks Tagged amateur radio, arduino, ham, microphone, morse, morse code, radio, speaker, translate ← Retrotechtacular: Multi-Purpose Military Magazines Make Maintenance Memorable ...

Click Sketch > Verify / Compile to make sure the code is properly in there. Save the file and then attach the Arduino to your computer with the USB cable. Click File > Upload.

3. Connect an LED directly to the Arduino with the shorter, negative leg in GND and the longer, positive leg in Arduino pin 13, as shown below. 4. Connect the piezo buzzer’s black wire to GND and its ...