A good capacitor tester can be very expensive. The Chinese Fnirsi company sells a rather affordable LCR meter that can test capacitors, inductors and resistors, measuring multiple parameters, which you can compare to published datasheets. But is it any good? I bought mine quite some time ago, so it’s time to show it off!
Tag: electronics
Pico DRAM Tester
Eric Schlaepfer aka TubeTime has released an open source tester for vintage DRAM ICs. It is based on the fabulous Raspberry Pi Pico 2 microcontroller. It supports even older chips that use -5V and +12V. I ordered PCBs and the components for building the tester, so let’s warm up the soldering iron and build something!