Digital triode (39) SMD resistors (29) Development board kit (19) Connector accessory kits (16) Light-emitting diodes (16) Delay timing relays (12) Tact switches (10) CPLD-FPGA ICs (9) Voltage reference ICs (9) Sampling resistors (7) Other modules (6) 32-bit Microcontroller - MCU (5) Bipolar transistor (triode) (5) FLASH memory (4) Specialized logic ICs (3) USB ICs (3) TVS diodes (transient voltage suppression diodes) (3) LCD drivers (3) DC-DC ICs (3) Buffer driver receiver transceiver (2) Power inductors (2) Fixed inductors (2) Motor ignition driver ICs (2) Communication satellite positioning module (2) Wire to Board Connectors/Wire Splice Connectors (1) Mounted large-capacity capacitors (1) Thin Film Capacitors (1) Instrument op amps (1) Accessories (1) Linear voltage regulator ICs LDO (1) Switching power supply ICs (1) Pushbutton Switches (1) Digital-to-analog conversion ICs (1) Wire accessories (1) Antenna (1)