Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller, a temperature sensor (LM35), a pushbutton, a resistor, and a red LED. The circuit is designed to read temperature data from the LM35 sensor, and it includes a pushbutton for user input and an LED for visual feedback.

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

Temperature Sensor (LM35)

• Description: A precision centigrade temperature sensor.
• Pins: +Vs, Vout, GND

Resistor

• Description: A 4700 Ohm resistor.
• Pins: pin1, pin2
• Properties:
  • Resistance: 4700 Ohms

LED: Two Pin (red)

• Description: A red LED with two pins.
• Pins: cathode, anode

Pushbutton

• Description: A simple pushbutton switch.
• Pins: Pin 3 (out), Pin 4 (out), Pin 1 (in), Pin 2 (in)

Wiring Details

Arduino UNO

• D13: Connected to pin2 of the Resistor.
• GND: Connected to GND of the Temperature Sensor (LM35), cathode of the LED, and Pin 1 (in) and Pin 2 (in) of the Pushbutton.
• A5: Connected to Vout of the Temperature Sensor (LM35).
• 5V: Connected to +Vs of the Temperature Sensor (LM35).
• D2: Connected to Pin 3 (out) and Pin 4 (out) of the Pushbutton.

Temperature Sensor (LM35)

• GND: Connected to GND of the Arduino UNO.
• Vout: Connected to A5 of the Arduino UNO.
• +Vs: Connected to 5V of the Arduino UNO.

Resistor

• pin1: Connected to anode of the LED.
• pin2: Connected to D13 of the Arduino UNO.

LED: Two Pin (red)

• cathode: Connected to GND of the Arduino UNO.
• anode: Connected to pin1 of the Resistor.

Pushbutton

• Pin 1 (in): Connected to GND of the Arduino UNO.
• Pin 2 (in): Connected to GND of the Arduino UNO.
• Pin 3 (out): Connected to D2 of the Arduino UNO.
• Pin 4 (out): Connected to D2 of the Arduino UNO.

Code Documentation

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:

}

documentation.txt