| Most multimeters struggle with accurately measuring very low resistances, but this DIY milliohm meter fills that gap. Designed to measure fr...
All items tagged with Circuits & Circuit Design and Test Measurement News (78)
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| PCB design is not just about getting the circuit to work. A professional design balances electrical performance, manufacturability, EMI comp...
| Build your own compact FM stereo test transmitter that generates ultra-low distortion audio and precise VHF signals using only simple CMOS l...
| Measuring tiny differences in high-voltage circuits usually requires specialized differential test probes, which are often expensive. Fortun...
| Microcontrollers may dominate today’s stepper motor projects, but there’s a certain charm in driving them with pure CMOS logic. This no-firm...
| With just four components, you can assemble a simple inductance meter on a small piece of prototyping board. While you’ll need a power suppl...
| If you're curious about old or discarded electronics, this guide is for you. Discover the world of repair, restoration, and creative modific...
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| Build your own Variable Frequency Oscillator (VFO) with a Raspberry Pi Pico! This compact project delivers a tunable signal up to 15 MHz, en...
| Dip meters were once essential for radio amateurs, but affordable oscilloscopes have pushed them aside. That’s a shame. Some tasks are still...
| Every lab supply needs voltage and current readouts. But what if your display could do more? This microcontroller-based DC power meter shows...