surface-mount technology. green circuit board. old computer processor detail

abstract background blue blur board bus button capacitor card chip circle circuit closeup component components computer connector contact cpu design detail development device disassembled dismantled electric electrical electronic electronics electrotechnology engineering equipment green hardware hole industrial industry information integrated keyboard layer layout mainboard membrane micro microchip microprocessor motherboard mount nobody nopeople obsolete old part pcb plastic printed processor push repair resistor retro service silicone smd smt solder spare store surface switch technical technology tin transistor white yellow