closeup a surface mount assembly of electronic components on a printed circuit board

diode circuit board chip electronic component closeup integrated microchip electrotechnics capacitor surface mount assembly technology wiring macro pcb detail texture device green abstract printed copper layer layout conductor semiconductor connect electrical power energy electricity small resistor zener micro engineering electrotechnology industry repair service supply science ewaste separation recycle black red orange spare components pwb scheme smt smd contact design electric equipment electronics shop electrotechnical tech industrial technical background recycling sorting disposal white nopeople