@mikeloveslife1: A multimeter is one of the most important tools in electronics troubleshooting. Learn how engineers check voltage, resistance, and continuity to safely identify circuit problems before repair.#Firmware #EmbeddedSystems #HardwareDebugging #jlcpcb #PCBReverseEngineering #ElectronicsEngineering #PCBDesign #PCB #HardwareRepair #PCBIndustry