The V0 (also labelled as VEE) connection is for contrast control, and a potentiometer (10K) is usually attached to this terminal. Normally, the R/W terminal is tied to ground. For backlighting purpsoe ...

• Potentiometer ($1) • LCD display ($10) ... (temperature sensor) and connecting them to a programmed Arduino gave me a gadget that monitors the environment of a single plant.

Ensure that the backpack pins are straight and fit in the LCD module, then solder in the first pin while keeping the backpack in the same plane with the LCD. Once you have finished the soldering work ...

[Andy Brown] wrote in to show off the TFT LCD adapter he’s been working on for connecting inexpensive displays to an Arduino Mega. These TFT LCD screens can be picked up on eBay for a few ...