[mircemk] had previously built a frequency counter using an Arduino, with a useful range up to 6 MHz. Now, they’ve implemented a new design on a far more powerful STM32 chip that boosts the m… ...

All in all, it’s a strong contender in the “simple and powerful DIY scope” arena, before this, we’ve seen one built with an Arduino Nano, and one with a Pi Pico.

Learn how to open a lock without a key using simple techniques that don’t require any special tools. In this video, discover three effective methods to unlock a door without the need for lock ...

Discover the simple trick to drilling straight every time! In this video, learn how keeping the key level and aligning the bit line can transform your woodworking projects. Whether you're in a ...

For small padlocks and other very simple locks, you can copy some emergency spare keys with the lid of a food can. This video from YouTuber DaveHax shows how easy it is to copy almost any simple ...