Instrument and equipment and accessories (35) Screw fastener hardware (18) Screwdriver/tweezers/wrench tools (12) Connector accessory kits (10) Fans/radiators/ thermal management products (10) Relay socket accessories (9) Battery holder/Clip accessories (9) Ambient light sensors (6) Light-emitting diodes (3) Passive Crystal Oscillators (2) Data cables and signal cables (2) Test and measurement (2) Backplane connectors (1) Soldering and desoldering (1) Switching power supply ICs (1) Development board kit (1) LED display modules (1) Batteries (1) Bipolar transistor (triode) (1)