A programmable countdown timer with loud voice countdown and trigger for dangerous experiments like starting fireworks

This doorbell can operate without touch the switch.

Automatically turns on and off your solder fan when you remove your iron from the holder.

A step by step guide to building a fully functioning, personal vending machine that will amaze everyone who sees it.

Simulating HID-compliant UPS with help of Arduino.

When at least one person enters the room, the light and fan turn ON. When everyone exits the room, the light turns OFF.

A smart city is an urban area that uses different types of electronic data collection sensors to supply information used to manage assets.

Press 'Power' to switch everything ON/OFF. Press '1' for the fan and '2' for the lights.

Basically this device allows to control Relay Module via phone Bluetooth

This is an alarm for your house that rings when a movement is detected, like when the door is open or when a body walks in front of it.

Spending 100 times more time fiddling with this contraption than I would have just watering plants.

A quick build for an Arduino Uno that uses a countdown timer to open a servo motor gate in order to use it as a lock.

This is an easy to build pet feeder with two timers. Delivers accurate portions each time.

Most of us know what it is to be in a rush in the morning and not have time to wait for the machine to get hot. How to solve it?

The Goggles paired with sensor detect the motion of an eye, activating a range of hands-free task such as turning on /off a light.

With this simple Arduino project you can feed your pet using a remote control.

Lights from LEDs will light up as soon as the PIR motion sensor detects a motion.

Use a Electret Mic to turn a light on and off.

An Arduino Uno-based alarm with motion sensor, three LED outputs and a keypad with password input.

Learn how to make an Arduino-controlled door lock system that uses a keypad!

Do you want to tighten your security? Want to know who is entering your room and capture their picture with an old smartphone and Arduino?

The trashcan in our office isn't smart. No smarter than a 1 year old baby which can shout and cry to make its needs heard anyway.

An automatic trash-bot that opens its lid if it sees any trash and closes after a certain delay.

Lock and unlocks your door from a desk using a remote.