This code is for an RFID door lock system using an Arduino. It reads the UID of the RFID card and compares it to a predefined ...

New variants in the u-blox Nora-B2 Bluetooth LE 6.0 module family integrate Nordic’s entire nRF54L series of ultra-low power ...

Access control is evolving, requiring flexible and future-proof solutions. Learn how universal readers support multiple ...

So, here are five cool ideas you can bring to life by combining your Arduino microcontroller with a Raspberry Pi SBC. Ever ...

I read two articles questioning the officiating of the Chiefs games. I’m not a big NFL fan but I do know football and this is embarrassing the NFL. Bob Martinez Glendale I have watched pro ...

You can completely enhance PDF viewing and functionality with color e-readers. Color e-readers offer immersive reading for comics and graphic novels. Traveling lighter is so much better with an e ...

Clone v3.3.1 of the IDF: git clone --branch v3.3.1 --recursive https://github.com/espressif/esp-idf.git Run make to build the firmware (in the directory of this read ...

NFC-based secure access control system using Arduino UNO R4 WiFi and PN532 reader. Features dual-layer authentication (local and remote), encrypted communications over TLS, and real-time monitoring.

ZDNET's editorial team writes on behalf of you, our reader. Our goal is to deliver the most accurate information and the most knowledgeable advice possible in order to help you make smarter buying ...