Electronics Multisensor Shield
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The MultiSensor Shield has various sensors and components that connect to an ESP32 microcontroller including a humidity and temperature sensor, light sensor, analog temperature sensor, RGB LED, buttons, potentiometer, buzzer, I2C connector, and more. The document provides the pin connections for each component such as the DHT11 humidity sensor connecting to pin IO7 (D4) and the RGB LED connecting to pins IO13, IO5, and IO23 (D9-D11). Examples of circuits shown include an OLED display over I2C, BMP180 pressure sensor over I2C, light dimmer, and fan control using a relay.
Electronics Multisensor Shield
- 1. Electronics MultiSensor Shield Leopoldo Armesto Senior Lecturer Universitat Politècnica de València
- 2. Outline MultiSensor Shield Features Wemos D1 R32 with MultiSensor Shield Pinout Detailed circuits of the MultiSensor Shield Some examples: OLED 128x32 Circuit BMP180 Circuit AC Light Dimmer Circuit Fan control with Relay Circuit Moist Sensor Circuit 2
- 3. MultiSensor Board Basic I/O: 2 push buttons, 2 LEDs, 1 RGB LED, 1 Potentiometer Sensors: Humidity & Temperature Sensor (DHT11), Analog Temperature Sensor (LM35), Light sensor (LDR) IR communications Buzzer I2C Connector D7,D8 & A3 connector 3
- 4. Pinout 4 Components ESP32PIN Name SW1 IO26 D2 SW2 IO25 D3 DHT11 IO7 D4 Buzzer IO16 D5 IR Receiver IO17 D6 RBG LED IO13, IO5, IO23 D9-D11 Red LED IO19 D12 Blue LED IO18 D13 Rotation (pot) IO2 A0 LDR IO4 A1 LM35 IO38 A2 I2C SCL,SDA SCL,SDA Available IO14,IO12,IO34 D7,D8,A3
- 5. Pushbutton Circuit 5 SW1 connected to I26 (D2) SW2 connected to I25 (D3)
- 6. DHT11 Circuit 6 DHT11 connected to IO7 (D4)
- 7. Buzzer Circuit 7 Buzzer connected to IO16 (D5)
- 8. RBG LED Circuit 8 R Connected to IO13 (D9) B Connected to IO5 (D10) G Connected to IO23 (D11)
- 9. Red/Blue LEDs Circuit 9 R Connected to IO19 (D12) B Connected to IO18 (D13)
- 10. Potentiometer Circuit 10 Pot connected to IO2 (A0)
- 11. LDR Circuit 11 LDR connected to IO4 (A1)
- 12. LM35 Circuit 12 LM35 connected to IO38 (A2)
- 13. OLED 128x32 Circuit 13 OLED connected to SDA & SCL
- 14. BMP180 Circuit 14 BMP180 connected to SDA & SCL
- 15. AC Light Dimmer Circuit 15 Z-C connected to IO14 (D7) PWM connected to IO12 (D8)
- 16. Fan with Relay Circuit 16 Relay connected to IO34 (A3)
- 17. Moist Sensor Circuit 17 Moist Sensor connected to IO34 (A3)
- 18. Electronics MultiSensor Shield Leopoldo Armesto Senior Lecturer Universitat Politècnica de València