Circuit Documentation

Summary of the Circuit

This circuit appears to be designed for a basic control and sensing application, utilizing an Arduino UNO as the central microcontroller. The circuit includes a Bluetooth module (HC-05) for wireless communication, a flame sensor for detecting fire or a high-temperature source, a piezo speaker for audio feedback, and two LEDs (red and blue) for visual indicators. The circuit also includes resistors for current limiting and pull-up/down configurations.

Component List

Arduino UNO

• Microcontroller board based on the ATmega328P
• It has 14 digital input/output pins, 6 analog inputs, a 16 MHz quartz crystal, a USB connection, a power jack, an ICSP header, and a reset button.

HC-05 Bluetooth Module

• Wireless communication module that can operate as either a master or slave.
• It has pins for enabling (EN), power supply (VCC), ground (GND), transmit (TXD), receive (RXD), and state (STATE).

KY-026 Flame Sensor

• Sensor module for detecting fire and flame wavelengths between 760 nm to 1100 nm.
• It has pins for analog output (A0), digital output (D0), ground (GND), and power supply (VCC).

Piezo Speaker

• An electronic device that can be used to produce sound or tones when an electrical signal is applied.
• It has two pins for electrical connection.

LED: Two Pin (red)

• A red light-emitting diode that emits red light when powered.
• It has two pins: anode and cathode.

LED: Two Pin (blue)

• A blue light-emitting diode that emits blue light when powered.
• It has two pins: anode and cathode.

Resistor (220 Ohms)

• A passive two-terminal electrical component that implements electrical resistance as a circuit element.
• It has two pins for electrical connection.

Resistor (1000 Ohms)

• A passive two-terminal electrical component with a resistance of 1000 Ohms.
• It has two pins for electrical connection.

Wiring Details

Arduino UNO

• D11 connected to Resistor (220 Ohms)
• GND connected to common ground net
• 5V connected to HC-05 (VCC) and KY-026 Flame Sensor (VCC)
• A0 connected to KY-026 Flame Sensor (A0)
• D10 connected to HC-05 (TXD)
• D2 connected to KY-026 Flame Sensor (D0)
• D9 connected to Piezo Speaker
• D6 connected to LED: Two Pin (red) (anode)
• D5 connected to LED: Two Pin (blue) (anode)

HC-05 Bluetooth Module

• RXD connected to Resistor (1000 Ohms)
• GND connected to common ground net
• VCC connected to Arduino UNO (5V)
• TXD connected to Arduino UNO (D10)

KY-026 Flame Sensor

• A0 connected to Arduino UNO (A0)
• GND connected to common ground net
• VCC connected to Arduino UNO (5V)
• D0 connected to Arduino UNO (D2)

Piezo Speaker

• One pin connected to Arduino UNO (D9)
• Other pin connected to common ground net

LED: Two Pin (red)

• Anode connected to Arduino UNO (D6)
• Cathode connected to Resistor (220 Ohms)

LED: Two Pin (blue)

• Anode connected to Arduino UNO (D5)
• Cathode connected to Resistor (220 Ohms)

Resistor (220 Ohms)

• One pin connected to LED: Two Pin (red) (cathode)
• Other pin connected to common ground net

Resistor (1000 Ohms)

• One pin connected to HC-05 (RXD)
• Other pin connected to common ground net

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 Notes

• The provided code for the Arduino UNO is a template with empty setup and loop functions. Actual functionality needs to be implemented based on the requirements of the circuit's application.
• The documentation file for the Arduino UNO code is empty and does not contain any additional information.