Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino Nano, an RF 433 MHz Transmitter, an IR sensor, a 3.7V battery, and a DC to DC boost converter. The circuit is designed to interface the Arduino Nano with the RF transmitter and IR sensor, powered by a 3.7V battery through a boost converter.

Component List

1. 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

2. RF 433 MHz Transmitter

   • Description: A wireless transmitter module for sending data over a 433 MHz frequency.
   • Pins: -ve, Data, +ve

3. IR Sensor

   • Description: An infrared sensor used for detecting objects or measuring distance.
   • Pins: out, gnd, vcc

4. 3.7V Battery

   • Description: A rechargeable lithium-ion battery providing 3.7V.
   • Pins: +, -

5. DC to DC Boost Converter

   • Description: A converter that steps up the voltage from the 3.7V battery to a higher voltage.
   • Pins: vin-, vin+, out+, out-

Wiring Details

Arduino Nano

• GND is connected to:

  • GND of the IR sensor
  • -ve of the RF 433 MHz Transmitter
  • out- of the DC to DC boost converter

• D2 is connected to:

  • Data of the RF 433 MHz Transmitter

• D4 is connected to:

  • out of the IR sensor

• VIN is connected to:

  • out+ of the DC to DC boost converter

• 5V is connected to:

  • vcc of the IR sensor
  • +ve of the RF 433 MHz Transmitter

RF 433 MHz Transmitter

• -ve is connected to:

  • GND of the Arduino Nano
  • gnd of the IR sensor

• Data is connected to:

  • D2 of the Arduino Nano

• +ve is connected to:

  • 5V of the Arduino Nano
  • vcc of the IR sensor

IR Sensor

• out is connected to:

  • D4 of the Arduino Nano

• gnd is connected to:

  • GND of the Arduino Nano
  • -ve of the RF 433 MHz Transmitter

• vcc is connected to:

  • 5V of the Arduino Nano
  • +ve of the RF 433 MHz Transmitter

3.7V Battery

• + is connected to:

  • vin- of the DC to DC boost converter

• - is connected to:

  • vin+ of the DC to DC boost converter

DC to DC Boost Converter

• vin- is connected to:

  • • of the 3.7V battery

• vin+ is connected to:

  • • of the 3.7V battery

• out+ is connected to:

  • VIN of the Arduino Nano

• out- is connected to:

  • GND of the Arduino Nano

Documented Code

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