In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...
In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...
// see: https://github.com/olikraus/U8g2_for_Adafruit_GFX/blob/master/README.md // NOTE: you need to SAVE the modified example to a saveable location for UTF-8 ...