In this video I will show you how to build this simple, pocket-sized continuity tester with instant audio feedback (no lag!) that is much faster than a multi-meter. The tone's pitch indicates resistance: a higher tone means lower resistance. We'll cover the circuit diagram, soldering, and how it works!
Dive into "Colored Sky," a sci-fi novel where an astronomer's homemade radio astronomy lab is humanity's last hope.
A debut novel from my friend Oskow Bayhan, just sharing to support an artist—not an affiliate link!
https://a.co/d/86s9IZJ