Learn how to easily adjust the contrast of a 1602 LCD display using Arduino. In this quick tutorial, I’ll show you a simple trick to control the contrast electronically, without relying solely on the ...

Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This ...

I reworked that minimalistic version into a library and I added a number of Arduino examples to help you get started. Effort has been taken to keep the code, variables and function names compatible ...