How long can you keep an Arduino circuit running on three AA batteries? With careful design, [educ8s] built a temperature sensor that lasts well over a year on a single charge of three 2250 mAH ...

# Adafruit PCD8544 Nokia 5110 LCD Library [![Build Status](https://github.com/adafruit/Adafruit-PCD8544-Nokia-5110-LCD-library/workflows/Arduino%20Library%20CI/badge ...

Hello! Im sifting through all the various 5110 libraries and ive gotten yours closest to working! I think im nearly there, but I'm still getting some strange and currious compiliation issues: make ...

E-waste is a gigantic problem, and it can seem impossible as a lone individual to make any kind of dent in it. But [akshar1101] is trying to do their part by looking past the defective aspects of ...