1.Infrared sensor receiver 2.Laser head sensor 3.Temperature and humidity sensor 4.Infrared emission sensor 5.5V relay module 6.Finger heartbeat detection module 7.Microphone
sensitivity sensor 8.Metal touch sensor 9.Flame sensor 10.3-color LED module11.Hunt sensor 12.Linear
magnetic Hall sensors13. Rotary encoder 14.Active buzzer 15.Magic Light Cup 16.Small passive buzzer 17.Digital temperature sensor 18.Tilt switch
19. Analog Hall magnetic sensor
20. Joystick 21. Hall magnetic sensor 22. RGB LED SMD 23. Mini Reed
24. Bicolor LED common cathode module 3MM 25. Smart car obstacle avoidance sensor 26. Key switch
27. Photoresistor 28. Hit sensor 29. Temperature sensor 30. Vibration switch 31. Small microphone sensor 32. Knock sensor 33. Mercury switch 34. Two-color LED 35. 7-color flashing LED 36. Reed switch 37. Analog temperature sensor