Bargraph / progress bar library with a variety of display options. Based on I2C LC displays. Uses custom LCD characters for increased resolution, including a super high-res mode. Dynamic custom ...

The code is designed to facilitate easy integration of I2C LCD modules with Arduino microcontrollers, providing a convenient way to display information in various Arduino projects. Features ...

In this Arduino I2C tutorial, we will use I2C communication between two Arduino boards and send (0 to 127) values to each other by using a potentiometer. Values will be displayed on the 16x2 LCD ...

Hitachi’s HD44780 based 16×2 character LCD are very cheap and widely available, and is an essential part for any project that displays information. Using the LCD backpack, desired data can be ...

An Arduino, Microchip PIC or any microcontroller with built-in or bit-banged I2C interface can also be used with the I2C LCD interface. A different port expander is used to create an SPI device using ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

Use an ATtiny85 to display sensor values on an I2C LCD (equiped with PCF8574): GY21P (Si7021+SHT21) I2C sensor, temperature and relative humidity DS18b20 Dallas sensor, one wire, temperature I had ...