Run the I2C_address_finder.ino file after connecting I2C to arduino to get the address of I2C on the Serial Monitor because if the address is correct then connection cannot be established properly.

To connect an LCD to an Arduino without using an I2C module, you'll need to connect the LCD directly to the Arduino using its parallel interface. Below is a guide to help you achieve this: ...

You can use them with LCD modules that have a HD44780 compatible interface with various screen sizes by attaching to the back of the LCD module. This allows connection to your Arduino (or other ...

In this article we discussed about 16x2 LCD, its working, pinout, and also how to use 16x2 LCD with Arduino. We provided Circuit Diagram, Complete Arduino Code, and step-by-step guide.

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 ...

Problems that arise when the I2C peripheral board is powered by 5 volts and the MCU to which it is connected is powered by 3.3 volts. Things become problematic if we have to connect a peripheral ...

This articles describes how you can use I2C (TWI) communication, Arduino and temperature sensors to measure 3 different temperatures. It can be very helpful when you want to measure the outside, ...

RP2040-0.42LCD, is a tiny Raspberry Pi RP2040 board with an equally tiny 0.42-inch display, and a Qwicc connector for expansion.