MCU
Soc, single chip and FPGA DSP
Connector
Headers,Plugs,sockets,wires,cables, heat sink, bread board, Dupont Line, Universal board
Passives
Capacitors, Resistors,Inductors,Crystals
Sensors
Camera, temperature, Sound and ultrasound sensors...
Hardware modules
Arduino,Raspberry pi,
Display Device
LCD, LED screen
DC-DC
Relay, switch chips, Power supply and electricty converter, IGBT module.