| While the I²C bus is theoretically capable of running for years without interruption, in practice, sensors eventually “lock up,” halting com...
More in Circuits & Circuit Design (86)
| Want to detect earthquakes and other seismic events — from natural disasters to human activities — right from your workbench? This DIY seism...
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| Construct this easy-to-make tool to detect hidden magnets and sensors inside modern appliances. You will find it ideal for repairs, experime...
| Whether you are designing, repairing, or testing audio and hi-fi gear, a reliable frequency counter is a must-have tool. This classic freque...
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| Here comes a small but intelligent circuit that virtually prevents us from making power supply errors, using a different cable for each sing...
| A defective parking sensor can be expensive if you don’t notice it in time and get it repaired. Following the engineer’s ironclad rule “Do i...
| Build a compact lithium battery health monitor that shows State of Charge (SoC) and State of Health (SoH) using colorful LED bars. Based on...
| Tired of hunting short-circuits with a magnifying glass? This clever circuit makes locating a PCB short fast and frustration-free. Build a s...
| Never miss a blown fuse again! This ultra-simple four-component circuit ensures you’re instantly alerted when a mains fuse fails, using an a...
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| Current signals of 4-20 mA are commonly used in industrial applications to transmit process signals to controllers. Compared to analog volta...