Tag: meter

via HACKADAY: Getting a Handle on ESR with a Couple of DIY Meters

Got a bunch of questionable electrolytic caps sitting in your junk bin? Looking to recap a vintage radio chassis? Then you might need to measure the equivalent series resistance of the capacitors, in which case this simple five-transistor ESR meter might come in handy. Even if you have no need for an ESR meter, [W2AEW]’s […]