As contactless payments become ubiquitous, fraudsters are evolving new tactics to exploit them. A Near Field Communication (NFC) relay attack is one such threat. It intercepts and relays the ...

As worldwide markets for electric vehicles continue to gain market share, low-cost connections of vehicles to mains charging need to be safe and efficient.

ESP-01 is a tiny and useful piece of hardware. It has a 32-bit MCU, 2.4GHz 802.11 b/g/n WiFi, 1MB flash memory, and several other useful embedded features. Such ...

Multiplying two analog signals involves the use of analog multipliers, usually implemented by using log and antilog circuit blocks or the Gilbert cell. Today, the most common technique used to ...