Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes various components such as resistors, an Arduino UNO, an LM358 Op-Amp, a 16x2 I2C LCD, and other passive components. The circuit is designed to interface with an Arduino UNO microcontroller, which controls the operation of the connected components. The document includes a component list, wiring details, and the embedded code used in the microcontroller.

Component List

Resistor

• Description: A passive electrical component that implements electrical resistance as a circuit element.
• Pins: pin1, pin2
• Properties:
  • Resistance: 680 Ohms
  • Resistance: 10000 Ohms
  • Resistance: 470000 Ohms
  • Resistance: 220 Ohms
  • Resistance: 1000 Ohms
  • Resistance: 10000 Ohms

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

LM358 Op-Amp

• Description: A low power dual operational amplifier.
• Pins: 8, 1, 2, 3, 4, 5, 6, 7

DC Power Source

• Description: Provides a constant DC voltage.
• Pins: Ground, Positive

GND

• Description: Ground connection.
• Pins: GND

Ceramic Capacitor

• Description: A capacitor with a ceramic dielectric.
• Pins: pin0, pin1
• Properties:
  • Capacitance: 0.0000001 Farads

Diode

• Description: A semiconductor device that allows current to flow in one direction.
• Pins: cathode, anode

Inductor

• Description: A passive electrical component that stores energy in a magnetic field.
• Pins: pin 0, pin 1
• Properties:
  • Inductance: 0.00033 Henrys

Wire Connector

• Description: Connects wires in the circuit.
• Pins: +, -

16x2 I2C LCD

• Description: A 16x2 character LCD display with I2C interface.
• Pins: GND, VCC, SDA, SCL

Pushbutton

• Description: A simple switch mechanism for controlling some aspect of a machine or a process.
• Pins: Pin 2, Pin 1, Pin 3, Pin 4

Wiring Details

16x2 I2C LCD

• VCC: Connected to Resistor pin2 and Arduino UNO 5V
• GND: Connected to Arduino UNO GND
• SDA: Connected to Arduino UNO A4
• SCL: Connected to Arduino UNO A5

Resistor (680 Ohms)

• pin1: Connected to Resistor pin1 (10000 Ohms), Resistor pin1 (470000 Ohms), Arduino UNO A0, and Wire Connector +
• pin2: Connected to Arduino UNO D7

Resistor (10000 Ohms)

• pin1: Connected to Resistor pin1 (680 Ohms), Resistor pin1 (470000 Ohms), Arduino UNO A0, and Wire Connector +
• pin2: Connected to Arduino UNO D8

Resistor (470000 Ohms)

• pin1: Connected to Resistor pin1 (680 Ohms), Resistor pin1 (10000 Ohms), Arduino UNO A0, and Wire Connector +
• pin2: Connected to Arduino UNO D9

Resistor (220 Ohms)

• pin1: Connected to Diode anode
• pin2: Connected to Arduino UNO D11

Resistor (1000 Ohms)

• pin1: Connected to LM358 Op-Amp pin2
• pin2: Not connected

Resistor (10000 Ohms)

• pin1: Connected to Pushbutton Pin 2
• pin2: Connected to 16x2 I2C LCD VCC and Arduino UNO 5V

Arduino UNO

• 5V: Connected to 16x2 I2C LCD VCC and Resistor pin2 (10000 Ohms)
• GND: Connected to 16x2 I2C LCD GND
• A0: Connected to Resistor pin1 (680 Ohms), Resistor pin1 (10000 Ohms), Resistor pin1 (470000 Ohms), and Wire Connector +
• A4: Connected to 16x2 I2C LCD SDA
• A5: Connected to 16x2 I2C LCD SCL
• D6: Connected to Pushbutton Pin 2 and Resistor pin1 (10000 Ohms)
• D7: Connected to Resistor pin2 (680 Ohms)
• D8: Connected to Resistor pin2 (10000 Ohms)
• D9: Connected to Resistor pin2 (470000 Ohms)
• D10: Connected to Wire Connector -
• D11: Connected to Resistor pin2 (220 Ohms)
• D12: Connected to LM358 Op-Amp pin6

LM358 Op-Amp

• pin2: Connected to Resistor pin1 (1000 Ohms)
• pin3: Connected to Diode cathode, Inductor pin0, and Ceramic Capacitor pin0
• pin4: Connected to DC Power Source Ground
• pin6: Connected to Arduino UNO D12
• pin7: Connected to DC Power Source Positive

DC Power Source

• Ground: Connected to LM358 Op-Amp pin4 and GND
• Positive: Connected to LM358 Op-Amp pin7 and GND

GND

• GND: Connected to DC Power Source Ground

Ceramic Capacitor

• pin0: Connected to Diode cathode, Inductor pin0, and LM358 Op-Amp pin3
• pin1: Connected to Inductor pin1 and GND

Diode

• cathode: Connected to Inductor pin0, Ceramic Capacitor pin0, and LM358 Op-Amp pin3
• anode: Connected to Resistor pin1 (220 Ohms)

Inductor

• pin 0: Connected to Diode cathode, Ceramic Capacitor pin0, and LM358 Op-Amp pin3
• pin 1: Connected to Ceramic Capacitor pin1 and GND

Wire Connector

• +: Connected to Resistor pin1 (680 Ohms), Resistor pin1 (10000 Ohms), Resistor pin1 (470000 Ohms), and Arduino UNO A0
• -: Connected to Arduino UNO D10

Pushbutton

• Pin 2: Connected to Resistor pin1 (10000 Ohms) and Arduino UNO D6

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

This document provides a comprehensive overview of the circuit, including the components used, their connections, and the code running on the Arduino UNO microcontroller.