The Alphanumeric LCD for Arduino will be our first circuit: using only one component, ... At this point, the LCD Device will be connected with the 8-bits of the shift register (you can see the ...

With the Arduino handling the data, the old LCD still needed a -5 V supply for contrast and an RC filter to smooth out the PWM signal ... Schematic of the HD44102 driver circuit.

[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 ow… ...

Here is a tested Arduino project that uses 3 sensor probes as water level indicator with 3 leds and one LCD display + a simple controller that turns on a motor when the water has reached the desired ...