Component Tester FISH 8840 Review

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https://www.electronics-lab.com/component-tester-fish-8840-review/

Alan Parekh @ hackedgadgets.com has a review of a cheap component tested he found on ebay. This device can test bipolar transistors, MOSFET, diodes, thyristors, resistors and capacitors. He writes: This is an inexpensive component tester called the FISH 8840 which you can find from many online eBay retailers for around $30. The interface is very […]

Measure small currents without adding resistive insertion loss

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https://www.electronics-lab.com/measure-small-currents-without-adding-resistive-insertion-loss/

by Maciej Kokot @ edn.com: In most cases, you measure current by converting it into a proportional voltage and then measuring the voltage. Figure 1 shows two typical methods of making the conversion. In one method, you insert a probing resistor, RP, in series with the current path and use differential amplifier IC1 to measure the resulting […]

Resistor Scanner Android App

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https://www.electronics-lab.com/resistor-scanner-android-app/

Resistor Scanner is an Android app that uses OpenCV to scan resistor colour bands and determines their values.Uses OpenCV to scan resistor colour bands and determines resistor values. Source available here: https://github.com/thegouger/ResistorScanner/ Resistor Scanner Android App – [Link]