a project built in 2022 by P. Gabriel, Erkrath, Germany released under GPL v3.0
- the user of this device could learn Morse
- example for teaching binary tree structures in programming languages
- example for the practical use of state machines in computer science
- Cytron Maker Nano RP2040 with CircuitPython Firmware
- Morse Push Button
- 1602 Parallel Display with PCF8574 I2C backpack
Just upload code.py and the contents of the lib folder to your Maker Nano RP 2040 Use current CircuitPyton Firmware!
- Morse pushbutton GP16
- backlight control for display GP17
- internal pushbutton hardwired GP20
- internal buzzer hardwired GP22