Screw fastener hardware (59) EEPROM memory (30) PCB and other prototype products (15) Active Crystal Oscillators (8) Power monitoring ICs (8) Connector accessory kits (7) Light-emitting diodes (7) Development board kit (4) Signal relay (4) Standard Clock Oscillators (3) D-Sub connector accessories (2) LEDUPS and other types of power modules (2) Passive Crystal Oscillators (1) Screwdriver/tweezers/wrench tools (1) Wire accessories (1) Electronic wire connection lines (1)