There are many charge controllers available, but ordinary cheap ones are not efficient enough to use with maximum power from solar panels.

Got some old phones? Here's a cool way to reuse your old phone by converting it into a remote switch that can be operated from anywhere.

A cheap and effective replacement for a GSM alarm still using the existing commercial 433Mhz wireless alarm sensors.

Upon scanning the right tag and entering right pass, it will open door and send confirmation message otherwise it will send alert message.

Arduino automatic multiple light control system. Room light on, table lamp off. Room light off, table lamp on via gesture.

Control your phone camera wirelessly and make an Anti-Theft camera system.

This Arduino-based machine will always prepare perfect Argentine mate (traditional infused drink).

How to control my railroad model actions using an infrared remote.

Do you want a more fun way to open your garage door than pressing a button or remembering a pass-code? Try a fingerprint scanner!

Microcontroller based Solar PV System's charge controller, inverter, PowerBank & LED lamp with menu-based navigation system on LCD display

Create a Vending Machine, powered by Arduino microcontroller, using "any cheap and easy to get" components available in local store.

An attendance system based on Arduino and RFID reader which will save attendance data in real-time to Google spreadsheet.

Architectural model of a bus stop with automatic sunshade according to the position of the sun. It is also sensitive to rain.

Create a locking system that locks your room with your fingerprint and an access code on the cheap.

How to design a nice looking RFID reader with TFT display and for wall mounting.

This can hep you to access your home when you are out . You can switch on and off the home appliances from anywhere.

How to make a connection between an internet service and Arduino boards.

Secure your house by implementing this handy automatic door management system.

In this project we have designed RFID Based Attendance System using Arduino UNO and RFID MFRC522 Module.

An RFID based door lock with cyclops as display. The cyclops eyes will turn red on wrong RFID tag and green on authorized RFID tag.

In this tutorial, I will show how to interface a 5V relay with Arduino and control an AC load.

An outlet that can control your devices that need to be plugged in.

How to build a wind turbine MPPT regulator within direct injection or battery configuration, 24V or 48V, 30A max. Update : V2 with a PCB.

For bike security, There is only ignition lock switch. And it can be easily hacked by the thief. Here I come with a DIY solution for that.