A countdown timer built with an RTC Module, LCD, and Arduino Nano to count down to a date.
Build with Arduino IDE. Make sure to copy config.example.h to config.h and adjust settings before uploading to microcontroller.
You can probably swap these out, but I'm using a:
- An Arduino Nano
- A ZS-042RTC Module
- 1602A LCD Display Module
- A4 - SDA of LCD and RTC
- A5 - SCL of LCD and RTC
- 5V - VCC
- GND - GND
Ensure the microcontroller has proper power.