Circuit Documentation

Summary

This document provides a detailed overview of a circuit that integrates a DHT 11 temperature and humidity sensor, a water sensor, a rain sensor, and an ESP8266 NodeMCU microcontroller. The sensors are connected to the ESP8266 NodeMCU to facilitate data collection and transmission. This document includes a list of components, wiring details, and any associated code.

Component List

DHT 11

• Description: Temperature and Humidity Sensor
• Pins: VCC, GND, DATA

Water Sensor

• Description: Water Level Sensor
• Pins: Signal, VCC, GND

Rain Sensor

• Description: Rain Detection Sensor
• Pins: AO, DO, GRD, VCC

ESP8266 NodeMCU

• Description: Wi-Fi Microcontroller
• Pins: D0, D1, D2, D3, D4, 3V3, GND, D5, D6, D7, D8, RX, TX, A0, RSV, SD3, SD2, SD1, CMD, SD0, CLK, EN, RST, VIN

Wiring Details

DHT 11

• VCC: Connected to 3V3 of ESP8266 NodeMCU
• GND: Connected to GND of ESP8266 NodeMCU
• DATA: Connected to D4 of ESP8266 NodeMCU

Water Sensor

• Signal: Connected to A0 of ESP8266 NodeMCU
• VCC: Connected to 3V3 of ESP8266 NodeMCU
• GND: Connected to GND of ESP8266 NodeMCU

Rain Sensor

• DO: Connected to D0 of ESP8266 NodeMCU
• VCC: Connected to 3V3 of ESP8266 NodeMCU
• GRD: Connected to GND of ESP8266 NodeMCU

ESP8266 NodeMCU

• 3V3: Connected to VCC of DHT 11, Water Sensor, and Rain Sensor
• GND: Connected to GND of DHT 11, Water Sensor, and Rain Sensor
• D4: Connected to DATA of DHT 11
• A0: Connected to Signal of Water Sensor
• D0: Connected to DO of Rain Sensor

Code

No code is provided for this circuit.

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This document provides a comprehensive overview of the circuit, including the components used and their respective wiring details. This should serve as a useful reference for understanding and replicating the circuit.