This allows reusing LCD displays with broken panels as a light fixture, controlled by an Arduino with up to 4 different channels each with different settings. Multiple panels can be controlled from a ...

Pressing the button at startup also enters calibration mode. Pressing the button during normal operation resets the Peak RPM value. Currently there is only a crude long-press detection using delay, ...

[Kaushlesh Chandel] prototyped a few projects on his Arduino that use an HD44780 Character LCD. Wanting to keep these projects in one piece, but not sacrifice his Arduino board, so he etched his own ...

These days, you could be forgiven for thinking driving an LCD from a microcontroller is easy. Cheap displays have proliferated, ready to go on breakout boards with controllers already baked in. Load ...

The past month or so I’ve been playing with the Maxim DS1307 Real-Time-Clock and DS1621 Temperature Sensor ICs. I hooked them up to an Arduino Uno board with a Parallax Serial 16×2 Character LCD. I ...