Login to Windows Computers using RFID tag and Arduino

As many of us know computers were invented around 1871, but it was not until 1961 we had them password protected. Early in the...

Alexa Controlled Home Automation using Arduino and ESP-01 Wi-Fi Module

Smart speakers like Amazon Echo or Google home are getting popular now days and both have capability to integrate custom skill...

AC Light Dimmer using Arduino and TRIAC

In our household, most of the appliances are powered from the AC supply such as Lights, TVs, and Fans, etc. We can turn ON/OFF...

DIY Arduino Wireless Programming Shield using Bluetooth Module

While doing projects using Arduino, we always need to connect Arduino to PC in order to upload the program in it. But sometimes...

Sending Sensor Data to Android Phone using Arduino and NRF24L01 over Bluetooth (BLE)

Bluetooth Low Energy (BLE) is a version of Bluetooth and it is present as a smaller, highly optimized version of the classic...

Arduino Sleep Modes and How to use them to Save the Power

Power consumption is a critical issue for a device running continuously for a long time without being turned off. So to...

Controlling NEMA 17 Stepper Motor with Arduino and A4988 Stepper Driver Module

A stepper motor is a type of DC motor that works in discrete steps and used everywhere from a surveillance camera to...

How to control a Solenoid Valve with Arduino

Solenoids are very commonly used actuators in many process automation systems. There are many types of solenoid, for instance,...

Control a NEMA 17 Stepper Motor with Arduino and DRV8825

A stepper motor is a type of DC motor that works in discrete steps and used everywhere from a surveillance camera to...

Interfacing a PCF8591 ADC/DAC Module with Arduino

Analog to digital conversion is a very important task in embedded electronics, as most of the sensors provide output as analog...