Item Type: Component Kit Material: ABS, PCB Suitable For: Compatible with for R3 component pack starter kit, for STM32, for Raspberry Pi 1COMPLETE AND USEFUL: This pack contains over 400 components to help you with fun and easy electrical experiments 2CLEAR AND STURDY PACKAGING: Each component is packaged assorted and placed in a clear box with clear labels for easy component finding 3HUMANIZED DESIGN: The package contains power module and USB data cable, and the components can be directly inserted into the breadboard, which is more convenient without soldering 4WIDE COMPATIBLE: Compatible with for R3 component pack starter kit is also compatible with for STM32, for Raspberry Pi 5RELIABLE PCB: Adopt excellent PCB materials, with reliability and miniaturization, good maintenance and interchangeability 1 x Power Module 1 x 830 Tie Point Breadboard 140 x Solderless Jumper Wire 20 x M/F 6.5in Jump Wire 65 x Jumper Wire 1 x Potentiometer(3386 10k) 10 x Button 2 x 40 Pin Male Connector 1 x M/M USB Cable 1 x IC(SN74HC595) 1 x IC(4N35) 10 x Electrolytic Capacitor(10UF 50V) 10 x Electrolytic Capacitor(100UF 50V) 1 x Passive Buzzer 1 x Active Buzzer 10 x Ceramic Capacitor(100nF) 10 x Ceramic Capacitor(22pF) 10 x NPN Transistor(2N222) 2 x Photoresistor 10 x Rectifier Diode(1N4007) 2 x Thermistor 10 x Resistance ?W(10/Ohm) 10 x Resistance ?W(100/Ohm) 10 x Resistance ?W(220/Ohm) 10 x Resistance ?W(330/Ohm) 10 x Resistor ?W(1k/Ohm) 10 x Resistor ?W(2k/Ohm) 10 x Resistor ?W(5k/Ohm) 10 x Resistor ?W(10k/Ohm) 10 x Resistance ?W(100k/Ohm) 10 x Resistor ?W(1m/Ohm) 10 x White LED(5mm) 10 x Red LED(5mm) 10 x Yellow LED(5mm) 10 x Green LED(5mm) 10 x Blue LED(5mm) 2 x RGB LED(5mm) 1 x Resistor Identification Card 2 x Storage Box