Circuit Documentation
Summary
This document provides a detailed overview of a circuit that includes a DHT11 Humidity and Temperature Sensor, an LDR (Light Dependent Resistor), and an ESP32 microcontroller. The circuit is designed to measure environmental parameters such as humidity, temperature, and light intensity, and process this data using the ESP32 microcontroller.
Component List
DHT11 Humidity and Temperature Sensor
- Description: A sensor used to measure humidity and temperature.
- Pins: VDD, DATA, NULL, GND
LDR (Light Dependent Resistor)
- Description: A resistor whose resistance decreases with increasing incident light intensity.
- Pins: A0, D0, GND, VCC
ESP32 (30 pin)
- Description: A low-cost, low-power system on a chip microcontroller with integrated Wi-Fi and dual-mode Bluetooth.
- Pins: EN, VP, VN, D34, D35, D32, D33, D25, D26, D27, D14, D12, D13, GND, Vin, D23, D22, TX0, RX0, D21, D19, D18, D5, TX2, RX2, D4, D2, D15, 3V3
Wiring Details
DHT11 Humidity and Temperature Sensor
- GND: Connected to GND of LDR and ESP32
- DATA: Connected to D4 of ESP32
- VDD: Connected to VCC of LDR and Vin of ESP32
LDR
- GND: Connected to GND of DHT11 and ESP32
- A0: Connected to D2 of ESP32
- VCC: Connected to VDD of DHT11 and Vin of ESP32
ESP32 (30 pin)
- GND: Connected to GND of DHT11 and LDR
- D4: Connected to DATA of DHT11
- Vin: Connected to VDD of DHT11 and VCC of LDR
- D2: Connected to A0 of LDR
Code
There is no code provided for the microcontrollers in this circuit.
This documentation provides a comprehensive overview of the components and their interconnections in the circuit. The ESP32 microcontroller serves as the central processing unit, interfacing with the DHT11 sensor to measure humidity and temperature, and with the LDR to measure light intensity.