| How accurate is your clock source? You can use this compact stand-alone crystal tester to check the correct functionality of an unknown quar...
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| 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...
| Recently, both Zoyi and Fnirsi have released affordable smart tweezers that also measure inductance, and for just a few dozen euros. In this...
| In recent years, an increasing number of multifunctional measuring devices have emerged. They typically combine a multimeter, oscilloscope,...
| Chinese manufacturers of measuring equipment keep surprising us with affordable multifunction instruments that we would not have thought pos...
| This continuity tester uses just 100 mV across the probes, avoiding interference from semiconductors and large capacitance. It is simple to...
| The Mini OLED Oscilloscope is an inexpensive kit to build a tiny digital oscilloscope with. Besides the power switch, it has only one contro...
| Upgrade the XR2206 Function Generator Kit with simple modifications like DC isolation and improved signal stability. Follow along to enhance...