Circuit Documentation
Summary
This document provides a detailed overview of a circuit that includes an ESP32 microcontroller, a 0.96" OLED display, and an ME2-CO gas sensor module. The ESP32 serves as the central controller, interfacing with the OLED display for visual output and the ME2-CO module for gas detection. The document includes a list of components, wiring details, and any associated code.
Component List
ESP 32 DEVKIT V1 (30 pins)
- Description: A development board featuring the ESP32 microcontroller, which includes Wi-Fi and Bluetooth capabilities.
- Pins: EN, VP, VN, D34, D35, D32, D33, D25, D26, D27, D14, D12, D13, GND, VIN, 3V3, D15, D2, D4, RX2, TX2, D5, D18, D19, D21, RX0, TX0, D22, D23
0.96" OLED
- Description: A small OLED display module used for visual output.
- Pins: GND, VDD, SCK, SDA
ME2-CO Module
- Description: A gas sensor module used for detecting carbon monoxide (CO) levels.
- Pins: SIG, NC, VCC, GND
Wiring Details
ESP 32 DEVKIT V1 (30 pins)
- D34 is connected to SIG of the ME2-CO Module.
- 3V3 is connected to VDD of the 0.96" OLED and VCC of the ME2-CO Module.
- GND is connected to GND of the 0.96" OLED and GND of the ME2-CO Module.
- D21 is connected to SDA of the 0.96" OLED.
- D22 is connected to SCK of the 0.96" OLED.
0.96" OLED
- VDD is connected to 3V3 of the ESP 32 DEVKIT V1.
- GND is connected to GND of the ESP 32 DEVKIT V1.
- SDA is connected to D21 of the ESP 32 DEVKIT V1.
- SCK is connected to D22 of the ESP 32 DEVKIT V1.
ME2-CO Module
- SIG is connected to D34 of the ESP 32 DEVKIT V1.
- VCC is connected to 3V3 of the ESP 32 DEVKIT V1.
- GND is connected to GND of the ESP 32 DEVKIT V1.
Code
No code is provided for this circuit.
This document provides a comprehensive overview of the circuit, including the components used and their interconnections. This should serve as a useful reference for building and troubleshooting the circuit.