User Manual

Development board
1. Joystick
2. Segment
3. Relay
4. Screen driver
5. Cooling fan
6. Raspberry Pi and PCBA connection
switch
7. GPIO interface
8. GPIO indicate LED
9. DHT11 temperature and humidity
sensor
10. Breadboard
11. Tilt sensor
12. LCD1602
13. PIR sensor
14. Sound sensor
15. IR sensor interface
16. I/O/ADC/UART
expansion interface
17. 9g servo interface
18. I2C expansion interface
19. Stepper motor interface
25. Touch sensor
26. 8x8 RGB matrix
27. RC522 RFID induction module
28. Light intensity sensor
29. LCD1602 brightness adjustment
30. Ultrasonic sensor
20. 4x4 button matrix
21. Buzzer
22. PIR sensitivity adjustment
23. Vibration motor
24. Sound sensor sensitivity adjustment
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