Signal switch multiplexer decoder (405) Analog switch ICs (90) Plug-in connectors (67) SMD capacitors (49) D-Sub connector accessories (47) Fence-type terminal blocks (46) Direct-insert ceramic capacitors (42) Light-emitting diodes (32) SMD resistors (10) Switching power supply ICs (7) Development board kit (7) Optical sensors (4) Circuit Protection Kits (4) SMD electrolytic capacitors (3) Communication satellite positioning module (3) Connector accessory kits (2) NTC thermistors (2) Tapes/Labels (2) Tact switches (2) LED light guide tube accessories (2) FLASH memory (1) Mounted large-capacity capacitors (1) MELF wafer resistors (1) ESD diodes (1) Wireless modules (1) Relay socket accessories (1)