Light-emitting diodes (72) SMD electrolytic capacitors (22) IGBT tube (16) Rack cabinet (15) Electronic accessories (13) Direct-insert electrolytic capacitors (10) ARM Microcontroller - MCU (9) Photoelectric switches (7) Electronic wire connection lines (7) CPLD-FPGA ICs (6) ESD diodes (6) MOSFET (6) Switching diodes (4) Development board kit (4) Infrared transmitters (4) LED display modules (4) EEPROM memory (3) Boat switches (3) Data cables and signal cables (3) (3) Other processors (2) RS485RS422 ICs (2) Circular connectors (2) (2) Screwdriver/tweezers/wrench tools (2) LED light guide tube accessories (2) SMD disposable fuses (2) Interface specialized ICs (1) LED drivers (1) Accessories (1) Power monitoring ICs (1) Ambient light sensors (1)