Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and GND to the ground rail. For the data connections, wire SDA to Pin 10, SCK ...

Xiaomi Smart Door Lock 2 Vein Recognition Enhanced Edition opens for pre-order at 1,699 yuan ($235), features vein scanning, ...

Matel Keypad RFID access controller support card ... his seat to open the door for the allowed visitor. Power supply unit 110-240V input, 12V output to power whole system,can reduce the load ...

Locks are the first line of security defense, so unsurprisingly tech has an answer. There are a wide range of retrofit smart locks on the market which don’t require you to tamper with the lock barrel ...

The Nintendo Switch 2 adds 4K HDR graphics, a bigger and sharper screen, cleverer controllers, and a handful of other new ...

London was a city under attack. In the summer of 2005, the capital's transport system was hit by a murderous wave of al-Qaeda ...

You don’t need to spend a fortune to keep burglars at bay. Here are some of the most inexpensive (yet very effective!) DIY ...

The jury is hearing testimony from Sean 'Diddy' Combs' ex-girlfriend, who is testifying under the pseudonym Jane.

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During the COVID-19 lockdown, a band of masked robbers terrorized the city. It turned out they were just kids. Now, cops say ...

The Aqara Camera Protect Kit Y100 smart home/home security system is easy to install, simple to use, and readily expandable.