Circuit Documentation
Summary
This circuit involves an Arduino UNO microcontroller, an MQ-8 gas sensor, a red LED, and a MAHIR 7.0 power supply. The Arduino UNO is used to control the LED and read data from the MQ-8 sensor. The MAHIR 7.0 power supply provides the necessary voltage to the Arduino UNO.
Component List
Arduino UNO
- Description: A microcontroller board based on the ATmega328P.
- Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0
MQ-8
- Description: A gas sensor used to detect hydrogen gas.
- Pins: VCC, GND, AO, DO
LED: Two Pin (red)
- Description: A red LED with two pins.
- Pins: cathode, anode
MAHIR 7.0
- Description: A power supply providing 7V and 3.7V outputs.
- Pins: GND, 7V, 3.7v
Wiring Details
Arduino UNO
- 5V connected to VCC of MQ-8
- GND connected to GND of MQ-8
- GND connected to GND of MAHIR 7.0
- Vin connected to 7V of MAHIR 7.0
- GND connected to cathode of LED: Two Pin (red)
- D13 connected to anode of LED: Two Pin (red)
- D2 connected to DO of MQ-8
MQ-8
- VCC connected to 5V of Arduino UNO
- GND connected to GND of Arduino UNO
- DO connected to D2 of Arduino UNO
LED: Two Pin (red)
- cathode connected to GND of Arduino UNO
- anode connected to D13 of Arduino UNO
MAHIR 7.0
- GND connected to GND of Arduino UNO
- 7V connected to Vin of Arduino UNO
Documented Code
Arduino UNO Code (sketch.ino)
void setup() {
// put your setup code here, to run once:
}
void loop() {
// put your main code here, to run repeatedly:
}
Additional Documentation (documentation.txt)
This documentation provides a comprehensive overview of the circuit, including a summary, detailed component list, wiring details, and the code used in the Arduino UNO microcontroller.