Project Description A secure door lock system using Arduino Uno, RFID (MFRC522), and a 4x4 Matrix Keypad. Authorized users can unlock the door with either an RFID tag or a PIN code. Features 🔒 Dual ...

There was an error while loading. Please reload this page. Arduino (Elegoo Mega 2560) LCD & Keypad Calculator Overview A fully functional calculator built using an ...

The ARDUINO IDE associated with the ARDUINO board uses specific numbering, assigning numbers from 0 to 19 to digital pins 0 to 13 and numbers A0 to A5 to analog pins. GCBasic directly manipulates the ...

When [Doug] moved into his new house, he found an old alarm panel set up — but it had no monitoring service any more. Not wanting to pay a monthly fee to have it setup, he decided to try interfacing ...

Makers and developers that enjoy creating projects using the Arduino platform may be interested in a new shield for Arduino that incorporates an LCD JEMshield++, keypad and enclosure all in one. JEM ...

LCD keypad combines HID smart card reader, access control and alarm keypad in one Pacom Systems' new reader will work as an access control pad and alarm keypad and will read HID iClass cards. Pacom ...

The purchase of a Broadway Limited Imports HO scale Reading Co. class T1 4-8-4 left Chris Russo wanting more — the ability to access the Digital Command Control functions built into the new model.

Makers, hobbyists and electronic enthusiasts searching for a project to keep them busy this weekend may be interested in a new DIY custom mechanical keypad complete with TFT LCD display, which has ...

Many security systems come with sensors you can attach to your home’s windows and doors to monitor for break-ins. One of the limitations of those devices is that they typically only include one ...