ESR meter page

Anatek Blue ESR Meter Kit – Alltronics LLC

5 transistor esr meter for less than a 100 pesos only or 2$

ESR meter – raphTec

ESR-micro Meter

BLUE ESR meter kit page

Keysight U1733C 100Hz/120Hz/1kHz/10kHz/100kHz Handheld LCR Meter

Anatek Blue ESR Meter Kit – Alltronics LLC

ESR meter page

Simple Capacitor ESR meter

Equivalent Series Resistance Meter

Blue2 ESR meter page

ESR METER VERSION 3.0 - Share Project - PCBWay