.1 x Small passive buzzer module 

.1 x 2-color LED module 

.1 x Hit sensor module 

.1 x Vibration switch module 

.1 x Photo resistor module 

.1 x Key switch module 

.1 x Tilt switch module 

.1 x 3-color full-color LED SMD module

.1 x Infrared emission sensor module 

.1 x 3-color LED module 

.1 x Mercury open optical module 

.1 x Yin Yi 2-color LED module 3MM 

.1 x Active buzzer module 

.1 x Temperature sensor module 

.1 x Automatic flashing colorful LED module 

.1 x Mini magnetic reed modules 

.1 x Hall magnetic sensor module 

.1 x Infrared sensor receiver module 

.1 x Class Bihor magnetic sensor 

.1 x Magic light cup module 

.1 x Rotary encoder module 

.1 x Optical broken module 

.1 x Detect the heartbeat module 

.1 x Reed module 

.1 x Obstacle avoidance sensor module 

.1 x Hunt sensor module 

.1 x Microphone sound sensor module 

.1 x Laser sensor module 

.1 x 5V relay module 

.1 x Temperature sensor module 

.1 x Temperature sensor module 

.1 x Linear magnetic Hall sensors 

.1 x Flame sensor module 

.1 x Sensitive microphone sensor module 

.1 x Temperature and humidity sensor module 

.1 x XY-axis joystick module 

.1 x Metal touch sensor module