green circuit board copper layer with connectors on white background

abstract background board circle circuit circuitry closeup color component components computer conductor connector contact copper design detail development device disassembled dismantled electric electrical electro electronic electronics electrotechnical electrotechnics electrotechnology engineering equipment flat green hardware hole industrial industry information insulator isolated layer layout metal mount network nobody nopeople object part pcb pin printed repair service shop side smd smt solder spare stock store surface tech technical technology texture through tin white whole