How to Use BH1750 Ambient Light Sensor with Arduino

When you take your phone in sunshine or in high lighting, then it automatically adjusts the brightness according to the...

RS-485 MODBUS Serial Communication with Arduino as Master

In the previous tutorial we learned about Modbus RS-485 Serial Communication with Arduino as Slave. In continuation with that...

How to Use HM-10 BLE Module with Arduino to Control an LED using Android App

Bluetooth is one of the most popular and easy to use wireless technology. Over the few years there have been many upgrades of...

What is Switch Bouncing and How to prevent it using Debounce Circuit

What is Switch Bouncing?

When we press a pushbutton or toggle switch or a micro switch, two metal parts come into contact to...

How to install Node-RED on Raspberry Pi to Control an LED

Ever wondered if there was a way to make simple prototypes of IoT solutions without having to spend days writing codes or to...

Internet Clock: Display Date and Time on OLED using ESP8266 NodeMCU with NTP

RTC or Real Time Clock is the most commonly used module in Electronics and embedded devices to keep track of time. But the...

Joystick Game Controller using Arduino Leonardo

We previously interfaced Joystick with Arduino UNO to understand how it works and controlled four LEDs on its left, right, up...

RC Phase Shift Oscillator using Op-Amp

A Phase Shift Oscillator is an electronic oscillator circuit which produces sine wave output. It can either be designed by...

MQTT Based Raspberry Pi Home Automation: Controlling Raspberry Pi GPIO using MQTT Cloud

In previous tutorial we have discussed about MQTT Protocol and installed local MQTT server on our Raspberry Pi for controlling...

Installing Machine Learning Software TensorFlow on Raspberry Pi

Machine Learning and Artificial Intelligence are the trending topics in the industries now days and we can see their increasing...