Discover how credit card validation codes work and protect against fraud. Learn about their placement, security role, and examples to secure online transactions.

Explore zero-one integer programming, a key method in logical problem-solving, using binary choices for optimal decisions in finance, production, and more.

This Arduino based Water Level Detection and Alert System designed to reduce water wastage, prevent overflow, and improve ...

This Arduino example code demonstrates how to set up and use the IQS7225A Integrated Circuit (IC). The IQS7225A is a 6-channel device with self-capacitance, mutual-capacitance and inductive sensing ...

The ESP32 is a microcontroller that provides an API for Bluetooth A2DP which can be used to receive sound data e.g. from your Mobile Phone and makes it available via a callback method. The output is a ...