| The Inter-Integrated Circuit (I²C) protocol is an addressable serial bus that was innovated by Philips in 1982. It’s designed for the seamle...
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| If you need to inspect a hard-to-reach spot, such as inside an electronics case, a car engine, or even the drain of your sink, an endoscope...
| Fnirsi keeps amazing me. Not only do they spit out test and measurement tools at an impressive pace, but they also try to innovate in the lo...
| Many basic function generators cannot measure output frequency or amplitude. This module addresses that by displaying both on a two-line LCD...
| Curious about vibration measurement? With basic parts like a laser diode and mirrors, you can build a desktop interferometer to measure micr...
| Troubleshooting coffee machines with hidden magnets? Powered by AAA batteries and a Hall sensor, this simple magnet finder lights the way. L...
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| How accurate is your clock source? You can use this compact stand-alone crystal tester to check the correct functionality of an unknown quar...
| The Fnirsi 2C53P 50-MHz dual-channel ‘flat-panel’ oscilloscope is yet another three-in-one measurement instrument comprising an oscilloscope...
| Nanosecond current pulses arise from avalanche breakdown in virtually any diode. Here some experiments exploring these in Zener diodes, LEDs...
| Thermal cameras are hugely popular, and even more so now that they have become affordable. The Topdon TC004 Lite is such a camera. We had a...