LCD Backlight Control

A project log for Weather Station Zeta

An Arduino-powered weather station with an inside and an outside module.

Greg MillerGreg Miller 04/22/2014 at 20:520 Comments

By digging through the Arduino forum and some other sites, I've found that the secret to controlling the LCD's backlight via PWM is to use a transistor, resistor, and diode between the PWM pin and pin 16 on the LCD.

Now...onto XBEE!