Circuit Documentation
Summary
This document provides a detailed overview of a circuit that includes an ESP32 microcontroller and an MQ-2 gas sensor. The ESP32 is used to read analog data from the MQ-2 sensor. The circuit is powered by the 3.3V output from the ESP32, and both components share a common ground.
Component List
ESP32 (30 pin)
- Description: A powerful microcontroller with built-in Wi-Fi and Bluetooth capabilities.
- 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
MQ-2
- Description: A gas sensor capable of detecting various gases including LPG, i-butane, propane, methane, alcohol, hydrogen, and smoke.
- Pins: GND, VCC, ANALOG, Digital
Wiring Details
ESP32 (30 pin)
- D34: Connected to ANALOG pin of MQ-2
- GND: Connected to GND pin of MQ-2
- 3V3: Connected to VCC pin of MQ-2
MQ-2
- ANALOG: Connected to D34 pin of ESP32
- GND: Connected to GND pin of ESP32
- VCC: Connected to 3V3 pin of ESP32
Code
No code is provided for this circuit.
This document provides a comprehensive overview of the components and their interconnections in the circuit. The ESP32 microcontroller reads analog data from the MQ-2 gas sensor, which is powered by the 3.3V output from the ESP32. Both components share a common ground to complete the circuit.