This document provides a detailed overview of a circuit that includes an ESP32 microcontroller, a buzzer, a 16x2 I2C LCD, a KY-026 Flame Sensor, and an MQ-2 gas sensor. The circuit is designed to detect flame and gas presence and provide visual and auditory alerts.
ESP32 (30 pin)
Buzzer
16x2 I2C LCD
KY-026 Flame Sensor
MQ-2
GND is connected to:
3V3 is connected to:
D34 is connected to:
D23 is connected to:
D35 is connected to:
Vin is connected to:
D22 is connected to:
D21 is connected to:
PIN is connected to:
GND is connected to:
GND is connected to:
VCC is connected to:
SDA is connected to:
SCL is connected to:
GND is connected to:
VCC is connected to:
DO is connected to:
GND is connected to:
VCC is connected to:
Digital is connected to:
No code is provided for this circuit.
This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and code documentation. The wiring details section ensures that each component's connections are clearly outlined, facilitating easy assembly and troubleshooting.