Our Circuit Design Calculators for Engineers and Students are free-to-use tools that help you quickly determine key parameters ...

This DIY focus timer is a combination of functionality with creativity, offering a tool to help track and improve productivity. This customizable design is made possible with the help of 3D printing, ...

Since the launch of Flipper Zero, hacking and pen testing tools have gained a lot of attention. Devices like Flipper Zero, HackRF, M1 Multitool, HackBat, Bleshark, and RF-Clown have shown how ...

[R-B] designed a 555 timer circuit to scan a keypad. Keypads are common interfaces for small projects and require row and column scanning by a microcontroller. [R-B’s] setup allows you to reduce ...