Projects

Tag Projects for: 'I2C'
How to Use PCF8574 GPIO Extender With Arduino or ESP32

 If you require more pins for your project to connect more buttons, sensors or LEDs, GPIO expanders can help. Essentially, these expanders offer additional GPIOs when your board doesn’t provide enough pins. In this tutorial we will learn how to use PCF8574 I2C GPIO Expander with Arduino UNO or ESP32 Watch the Video! Also …

Simple LCD Battery Level Indicator 20×4 I2C

 In this Tutorial we are going to make a Battery Level Indicator using LCD I2C 20 X 4 Display . This approach can be used to display anything that requires a level indication such as batteries, water level, temperature, humidity, etc. For the demonstration we are going to simulate the signal with a potentiometer …

I2C Scanner – How to Find I2C Addresses on Arduino

 In this tutorial we are going to make an I2C Scanner that will display an I2C Adress of the connected sensor or a module. This is very useful in cases where we do not know what is the I2C Address of a certain sensor or module that we would like to use in our …

Connect Two Arduinos Using I2C Communication

In this tutorial we will learn how to connect Two Arduino boards using I2C Communication by connecting a DHT11 Temperature sensor to the Slave Arduino and send it over the I2C to the Master Arduino and Display the Temperature value on the OLED Display. This project serves as an example what can be done, you …

Light Meter Gauge Using Arduino

In this tutorial we will learn how to make a simple Light meter gauge using BH1750 light sensor and Arduino. Watch the video! Step 1: What You Will Need Arduino UNO or any other Arduino board BH1750 Ambient Light Sensor (I2C) OLED Display Breadboard Jumper wires Visuino software: Download here Step 2: Circuit Connect Light Sensor …

How to Use a 20×4 I2C Character LCD Display With Arduino

In this simple tutorial we wwill learn how to use a 20×4 I2C Character LCD display with Arduino Uno to display a simple text “Hello World. Watch the video! Step 1: What You Will Need 20×4 I2C Character LCD display Jumper wires Arduino Uno or any other Arduino board Visuino software: Download here Step 2: The …

Temperature Monitor With DHT11 and I2C 20×4 LCD

In this tutorial we will learn how to make a simple temperature monitor using a DHT11 sensor and I2C LCD Watch the video! Step 1: What You Will Need 20×4 I2C Character LCD display Jumper wires Arduino Uno or any other Arduino board DHT11 temperature and humidity sensor Visuino software: Download here Step 2: The Circuit …

Arduino – How to Read SD Card Text File Line by Line

  In this tutorial we will learn how to read the SD card text file line by line. Watch the Video! Note: You can use other Displays such as OLED, but make sure that you use a board with enough memory like Arduino Mega,etc Also check out this tutorials: Arduino Nano: Measure Distance With Ultrasonic …

Connect Up to 64 I2C Modules – TCA9548A I2C Multiplexer Module

In this tutorial we will learn how to connect multiple I2C modules on the TCA9548A I2C Multiplexer Modules. For this project we will use 3 TCA9548A I2C Multiplexer Modules and 3 I2C Displays. Watch the Video! Also check out this tutorials: Arduino Connect Multiple I2C Devices Adafruit TCA9548A 1-to-8 I2C Multiplexer Breakout TCA9548A I2C Multiplexer …

Arduino LCD Menu – Simple Tutorial

In this tutorial we will learn how to make a simple Menu with buttons using Arduino and the I2C LCD. Watch the Video! Step 1: What You Will Need LCD Display I2C 20X4 (if you use diferent LCD then make sure that you specify the right Columns and Rows in the Visuino component) 2X Buttons …

How to Use DHT12 I2C Humidity and Temperature Sensor With Arduino

In this tutorial we will learn how to use DHT12 I2C Humidity and Temperature Sensor with Arduino and display the values on the OLED Display. Watch the video! Step 1: What You Will Need Arduino Uno or any other Arduino board Breadboard Jumper wires OLED Display Visuino software: Download here Step 2: The Circuit Connect DHT12 …