Optical sensors (79) Ambient light sensors (55) LED light guide tube accessories (46) Resistors (31) Real Time Clock ICs (27) Pushbutton Switches (20) Development board kit (18) LED display modules (13) Analog-to-digital conversion ICs (13) Other modules (11) Voltage reference ICs (7) DC-DC ICs (6) DC-DC power modules (6) OLED display modules (6) D-Sub connector accessories (4) Optical couplers (4) Precision op amps (3) Sensor modules (3) Data cables and signal cables (3) Controller (2) Rack cabinet (2) Linear voltage regulator ICs LDO (2) Power Management ICs (PMIC) (2) Infrared transmitters (2) Digital-to-analog conversion ICs (2) CPLD-FPGA ICs (1) Security (encryption) ICs (1) Isolation ICs (1) Interface specialized ICs (1) Amplifiers (1) Screwdriver/tweezers/wrench tools (1) Power switch ICs (1) LEDUPS and other types of power modules (1) Image sensors (1) Specialized sensors (1) Electronic wire connection lines (1)