Adafruit Holiday Shipping 2018: Adafruit will not be shipping orders on Tuesday December 25, 2018 due to Christmas. Any Expedited orders placed after 11am Monday December 24 will go out Wednesday December 26.
I really like the Adafruit LCD Backpack, but I’ve been wanting to play around with adjusting the LCD backlight brightness programatically. After much mulling and reading of forum posts, I decided to just operate the backlight using one extra wire to a PWM pin on the Arduino. To try and keep things tidy, I ordered some extra 3-pin terminal blocks so I could make a 6-pin block instead of the normal 5-pin block. Just to up the stakes, I’m doing this with my brand new 20×4 LCD.
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