Light-emitting diodes (113) Buffer driver receiver transceiver (48) Zener diodes (47) Flip Flops (21) Signal switch multiplexer decoder (16) Latches (16) Clock Buffers, Drivers (13) Rotary coding switches (9) Clock/Timing ICs (6) Clock Generators, Frequency Synthesizers (6) 74 series logic ICs (6) EEPROM memory (5) Level conversion shifter (5) Screwdriver/tweezers/wrench tools (5) RF Amplifiers (4) Interface specialized ICs (3) LED light guide tube accessories (3) RF Mixers (3) SRAM memory (2) RF Attenuators (2) Other processors (1) Telecommunication (1) Signal Conditioner (1) Ambient light sensors (1) Industrial and electrical fuses (1) RFID card ICs (1) RF Switches (1)