Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller interfacing with various sensors and components, including a current sensor, a voltage sensor, a resistor, a bulb, and a 18650 Li-Ion battery. The Arduino UNO reads data from the sensors and can control the bulb based on the sensor readings.

Component List

ACS712 Current Sensor 5A 20A 30A

• Pins: 1, 2, GND, OUT, VCC
• Description: Measures current flowing through the circuit.
• Purpose in Circuit: Provides current measurement to the Arduino.

Arduino UNO

• 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
• Description: Microcontroller board based on the ATmega328P.
• Purpose in Circuit: Central control unit for reading sensor data and controlling the bulb.

18650 Li-Ion

• Pins: Positive, Negative
• Description: Rechargeable lithium-ion battery.
• Purpose in Circuit: Provides power to the circuit.

Resistor

• Pins: pin1, pin2
• Description: 200 Ohms resistor.
• Purpose in Circuit: Limits current flow in the circuit.

Bulb

• Pins: GND, power
• Description: Light-emitting component.
• Purpose in Circuit: Visual indicator controlled by the Arduino.

Voltage Sensor DC 25V

• Pins: +, -, output, gnd, vcc
• Description: Measures voltage up to 25V.
• Purpose in Circuit: Provides voltage measurement to the Arduino.

Wiring Details

ACS712 Current Sensor 5A 20A 30A

• Pin 1: Connected to GND of Voltage Sensor DC 25V, Negative of 18650 Li-Ion, and GND of Bulb.
• Pin 2: Connected to Positive of 18650 Li-Ion, pin2 of Resistor, and power of Bulb.
• GND: Connected to GND of Arduino UNO.
• OUT: Connected to A1 of Arduino UNO.
• VCC: Connected to 5V of Arduino UNO.

Arduino UNO

• GND: Connected to GND of ACS712 Current Sensor, and - of Voltage Sensor DC 25V.
• A1: Connected to OUT of ACS712 Current Sensor.
• 5V: Connected to VCC of ACS712 Current Sensor.
• A0: Connected to output of Voltage Sensor DC 25V.

18650 Li-Ion

• Negative: Connected to GND of Voltage Sensor DC 25V, pin 1 of ACS712 Current Sensor, and GND of Bulb.
• Positive: Connected to pin2 of Resistor, pin 2 of ACS712 Current Sensor, and power of Bulb.

Resistor

• pin1: Connected to vcc of Voltage Sensor DC 25V.
• pin2: Connected to Positive of 18650 Li-Ion, pin 2 of ACS712 Current Sensor, and power of Bulb.

Bulb

• GND: Connected to GND of Voltage Sensor DC 25V, Negative of 18650 Li-Ion, and pin 1 of ACS712 Current Sensor.
• power: Connected to Positive of 18650 Li-Ion, pin2 of Resistor, and pin 2 of ACS712 Current Sensor.

Voltage Sensor DC 25V

• gnd: Connected to GND of 18650 Li-Ion, pin 1 of ACS712 Current Sensor, and GND of Bulb.
• -: Connected to GND of Arduino UNO.
• output: Connected to A0 of Arduino UNO.
• vcc: Connected to pin1 of Resistor.

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 detailed list of components, their wiring connections, and the code used in the Arduino UNO microcontroller.