Environmental Sensors:

1. DHT11/DHT22 Humidity and Temperature Sensor

2. DS18B20 Temperature Sensor

3. LM35, LM335 and LM34 Temperature Sensors

4. K-Type Thermocouple with MAX6675 Amplifier

5. BMP180 Barometric Sensor

6. BME280 Sensor with Arduino (Pressure, Temperature, Humidity)

7. BME680 Environmental Sensor with Arduino (Gas, Temperature, Humidity, Pressure)

8. BMP388 Altimeter with Arduino (Pressure, Altitude, Temperature)

9. MQ-2 Gas/Smoke Sensor

10. BH1750 Ambient Light Sensor

11. TDS Sensor (Water Quality Sensor)

12. FC-37 or YL-83 Rain Sensor

13. YL-69 or HL-69 Soil Moisture Sensor

Motion-Related Sensors:

14. PIR Motion Sensor

15. HC-SR04 Ultrasonic Sensor

16. RCWL-0516 Microwave Radar Sensor

17. Door Sensor (reed switch)

18. Tilt Sensor

19. MPU6050 Accelerometer and Gyroscope

20. NEO-6M GPS Module

Other Sensors/Modules/Peripherals:

21. DS1307 or DS3231 Real Time Clock (RTC)

22. Microphone Sound Sensor

23. Relay Module

24. microSD Card Module

25. Load Cell with HX711 Amplifier

26. Fingerprint Sensor Module (FPM10A)

27. TCS230/TCS3200 Color Sensor

Displays:

28. OLED Display

29. 8×8 Dot Matrix

30. LCD (Liquid Crystal Display)

31. 1.8 TFT Display

32. RGB LED

33. Addressable RGB LED Strip WS2812B

Communication Modules:

34. MFRC522 RFID Reader

35. nRF24L01

36. 433 MHz Transmitter/Receiver

37. Infrared Receiver

38. SIM900 GSM Shield

39. Membrane Keypad

Environmental Sensors:

1. DS18B20 Temperature Sensor

2. Type-K Thermocouple Temperature Sensor

3. DHT11/DHT22 Temperature and Humidity Sensor

4. BME280 Temperature, Humidity, and Pressure Sensor

5. BME680 Environmental Sensor (Gas, Pressure, Humidity, Temperature)

6. BMP388 Altimeter Sensor (Pressure, Altitude, Temperature)

7. BMP180 Barometric Sensor (Pressure, Altitude, Temperature)

8. BH1750 Light Sensor

9. TDS Sensor (Total Dissolved Solids)

Motion-Related Sensors:

10. PIR Motion Sensor

11. Door Sensor (reed switch)

12. HC-SR04 Ultrasonic Sensor

13. MPU6050 Accelerometer and Gyroscope

14. RCWL-0516 Microwave Radar Proximity Sensor

Other Sensors/Modules/Peripherals:

15. microSD Card Module

16. Potentiometer

17. Relay Module

18. Load Cell with HX711 Amplifier

Displays:

19. OLED Display (SSD1306)

20. I2C LCD (Liquid Crystal Display)

21. RGB LED Strip

Communication:

22. LoRa Transceiver

23. I2C Multiplexer (TCA9548A)

Motors:

24. Servo Motor

25. DC Motor

26. Stepper Motor