or drive an LCD. In the official documentation, there are only a handful of parts: a microcontroller, an EEPROM with a few bytes of memory, a crystal, and a voltage regulator. Like the Arduino ...

Reference circuit diagram of an Arduino-compatible LCD backpack is shown below. What follows next is information on how to use one of these inexpensive backpacks to interface with a microcontroller in ...

It can hold card data for up to five cards, takes seconds to program, and holds card data in EEPROM ... the circuit board. If you pledge towards this campaign, you’ll receive the Arduino ...