Attempting to change the backlight of a 16X2 LCD from green to red

The mailbox and driveway monitor that I built has a 12X2 LCD screen. I know these are not as fancy as many newer displays, but I like their simplicity. The screen in this project runs all the time, usually displaying the time. When mail is delivered, I wanted a coloured visual alert as well as... Continue Reading →

December 29, 2023 0

Dimming 16×2 and 20×4 LCD displays

I recently built another clock. This time using a 16x2 LCD display with an I2C backpack. In know these displays are starting to look a bit dated, but I like them. I used a method of display large digits based on Ralph Bacon’s video #23 LCD BIG DIGITS for your Arduino using I2C - Easy!... Continue Reading →

June 30, 2022 2