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 ...

The Arduino manages everything else on the system as well including all of the temperature sensors and fan motor control.

For a bright and sharp projector on a budget, Epson’s Home Cinema 1080 LCD projector is our pick. It’s rated for 3,400 lumens at the brightest settings, enough for use in ambient light.

Nokia 220 4G phone. Announced Jul 2019. Features 2.4″ display, 1200 mAh battery, 24 MB storage, 16 MB RAM.