To communicate with each LCD via I2C, two TCA9548A I2C multiplexers are connected to an Arduino, along with an RTC to keep track of the time and date itself. As the TCA9548A has three pins ...

The most popular display system widely used in Arduino projects is the liquid crystal display (LCD). LCD displays consists primarily of two sheets of polarized glass plates with a thin layer of liquid ...

[Tobie’s] part of the hack is to use an Arduino and a few buttons as the controller. It’s easy to set up and we think the breadboarded controller approximates the size and weight of an LCD ...

We might think that an AVR microcontroller – e.g. the ATMega328p adopted by the Arduino UNO boards – has the sufficient number of pins to manage an alphanumeric LCD. In a complex industrial machine ...

With only a few pieces, by following detailed instructions anybody can build their own gizmos in no time. Although ... that’s compatible with Arduino Uno, 1602 I2C LCD, motors and ultrasonic ...

If you're interested in maker projects, circuit boards, or just goofing around with a soldering iron, Arduino may be worth your time ... and finally a color LCD). But there are a TON of parts ...