Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino Nano, two ultrasonic sensors, a buzzer, a vibration motor, a rocker switch, a Li-Ion battery, and a LiPo battery charger module. The circuit is designed to interface with various sensors and actuators, powered by a rechargeable battery system.

Component List

Arduino Nano

• Description: A small, complete, and breadboard-friendly board based on the ATmega328P.
• Pins: D1/TX, D0/RX, RESET, GND, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11/MOSI, D12/MISO, VIN, 5V, A7, A6, A5, A4, A3, A2, A1, A0, AREF, 3V3, D13/SCK

Ultrasonic Sensor (x2)

• Description: A sensor used to measure distance by using ultrasonic waves.
• Pins: +VCC, Trigger, Echo, GND

Buzzer

• Description: An audio signaling device.
• Pins: PIN, GND

Vibration Motor

• Description: A small motor that provides vibration feedback.
• Pins: +, -

18650 Li-Ion Battery

• Description: A rechargeable lithium-ion battery.
• Pins: Positive, Negative

Rocker Switch

• Description: A switch that can be toggled between an on and off state.
• Pins: output, input

LiPo Battery Charger Module

• Description: A module used to charge LiPo batteries.
• Pins: B-, B+, OUT-, OUT+

Wiring Details

Arduino Nano

• GND: Connected to the GND pins of the Vibration Motor, both Ultrasonic Sensors, and the Buzzer.
• D2: Connected to the Echo pin of the second Ultrasonic Sensor.
• D3: Connected to the Trigger pin of the second Ultrasonic Sensor.
• D4: Connected to the Echo pin of the first Ultrasonic Sensor.
• D5: Connected to the Trigger pin of the first Ultrasonic Sensor.
• D6: Connected to the PIN of the Buzzer.
• D8: Connected to the PIN of the Buzzer.
• D9: Connected to the + pin of the Vibration Motor.
• VIN: Connected to the input pin of the Rocker Switch.
• 5V: Connected to the +VCC pins of both Ultrasonic Sensors.

Ultrasonic Sensor (First)

• +VCC: Connected to the 5V pin of the Arduino Nano.
• Trigger: Connected to the D5 pin of the Arduino Nano.
• Echo: Connected to the D4 pin of the Arduino Nano.
• GND: Connected to the GND pin of the Arduino Nano.

Ultrasonic Sensor (Second)

• +VCC: Connected to the 5V pin of the Arduino Nano.
• Trigger: Connected to the D3 pin of the Arduino Nano.
• Echo: Connected to the D2 pin of the Arduino Nano.
• GND: Connected to the GND pin of the Arduino Nano.

Buzzer

• PIN: Connected to the D6 and D8 pins of the Arduino Nano.
• GND: Connected to the GND pin of the Arduino Nano.

Vibration Motor

• +: Connected to the D9 pin of the Arduino Nano.
• -: Connected to the GND pin of the Arduino Nano.

18650 Li-Ion Battery

• Positive: Connected to the B+ pin of the LiPo Battery Charger Module and the output pin of the Rocker Switch.
• Negative: Connected to the B- pin of the LiPo Battery Charger Module and the GND pin of the Arduino Nano.

Rocker Switch

• input: Connected to the VIN pin of the Arduino Nano.
• output: Connected to the Positive pin of the 18650 Li-Ion Battery and the B+ pin of the LiPo Battery Charger Module.

LiPo Battery Charger Module

• B+: Connected to the Positive pin of the 18650 Li-Ion Battery and the output pin of the Rocker Switch.
• B-: Connected to the Negative pin of the 18650 Li-Ion Battery and the GND pin of the Arduino Nano.
• OUT+: Not connected in this circuit.
• OUT-: Not connected in this circuit.

Documented Code

Arduino Nano Code

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

This code is a basic template for the Arduino Nano, with setup and loop functions defined but not yet implemented.