Build your own IoT smart door lock system using a Nano ESP32 and the Arduino Cloud, courtesy of this Gadget Master.

BLUE4 to a 100 ohm resistor to pot pin 17 To ground the LED busses, we’ll be using four 2N2222 transistors. The Arduino will trigger each transistor individually through a 1Kohm resistor.

Mike, CEO of the Useless Duck Company, runs through the design and functionality of the Arduino door lock. This innovative project can be created using an Arduino Uno development board, which is ...

Arduino enthusiasts may be interested in a new gesture controlled Arduino door lock which has been created by Adham Negm and uses an Arduino Uno together with a servo motor to slide the bolt back ...

Mike created a very cool old school door lock that will bolt your door as soon as you open the incognito window. To create the incognito lock, mike connected his PC to an Arduino Uno connected to ...

The system here uses a cheap Arduino board, a few sensors, and a magnetic contact switch. It’s then hooked into the Adafruit IO and connected to IFTTT, so you can set up alerts in any way you like.

You could manually lock the door yourself, but that’s pretty 2007. Instead, how about a door that locks itself? That’s exactly what Mike, CEO of the Useless Duck Company, has made.