IoT Telegraph
WHAT WILL YOU MAKE?
Make a Morse code device to send top-secret messages. Take the simplicity of a physical Morse key, add a Raspberry Pi ‚Äî an inexpensive web-connectable board that fits in a project box ‚Äî to connect to the Internet and start sending messages. You’ll solder and hook up a sensor, so get ready for a great challenge!
Materials:
- Raspberry Pi Zero W
- Arcade button switch
- Piezo buzzer
- Enclosure
- Soldering iron and solder
- Heat-shrink tubing
- JST connector leads, 12" female 2-pin (2)
- MicroSD card reader
- Hot glue
