How to Use a Multimeter - A Practical Guide for ESP32 & Electronics Makers

A multimeter is the single most useful debugging tool on your workbench. If your ESP32 isn't booting, keeps browning out, or a sensor just won't respond - a $15 multimeter will tell you why in about 60 seconds . Most multimeter guides are written for electricians or car mechanics. This one is written for you - someone working with ESP32 dev boards, sensors, batteries, and breadboards. Every…