working on the electronic circuit board

green electronics gadget signage multimedia machine screenshot design number art font technician troubleshooting electronic circuit focused microchips working board technicequipment circuit-board processor electrical engineering printed technology electronics hardware electronic circuit microchip green capacitor data digital board chip card component multimeter testing voltmeter analysis measurement reading system technical-service lab surface mount-technology smt electronic-service integrated-circuit soldered background transistor silicon resistor industry wire ammeter digital-electronic electronic-works socket data-lines service