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

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

1. Joints - The Foundation of Movement Joints are the moving links in a robotic arm. They let the arm bend, rotate, or change ...

Obsessing over model version matters less than workflow.

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 ...

An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention.

Jean] wrote into the tips line (the system works!) to let all of us know about his hacked and hand-wired C64 keyboard, a ...

Abstract: Context: Programming education keeps facing chal-lenges. A significant challenge is the mismatch between the increasing student demand and the shortage of teaching workforce on personal ...

The I2CKeyPad library implements the reading of a 4x4 keypad by means of a PCF8574. Smaller keypads, meaning less columns or rows (4x3) can be read with it too. Since 0.3.2 the library allows a 5x3, ...