Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino Nano, an NRF24L01 wireless module, two pushbuttons, and a 9V battery. The circuit is designed to interface the Arduino Nano with the NRF24L01 for wireless communication, and it includes pushbuttons for user input.

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

NRF24L01

• Description: A wireless transceiver module for low-power, high-speed communication.
• Pins: IRQ (not used), MOSI, CSN, VCC (3V), GND, CE, SCK, MISO

Pushbutton (1)

• Description: A simple pushbutton for user input.
• Pins: Pin 2, Pin 1, Pin 3, Pin 4

Pushbutton (2)

• Description: Another simple pushbutton for user input.
• Pins: Pin 2, Pin 1, Pin 3, Pin 4

9V Battery

• Description: A standard 9V battery for powering the circuit.
• Pins: +, -

Wiring Details

Arduino Nano

• D11/MOSI connected to NRF24L01 MOSI
• D9 connected to NRF24L01 CSN
• 3V3 connected to NRF24L01 VCC (3V)
• GND connected to Pushbutton (1) Pin 1 and NRF24L01 GND
• D10 connected to NRF24L01 CE
• D13/SCK connected to NRF24L01 SCK
• D12/MISO connected to NRF24L01 MISO
• D3 connected to Pushbutton (2) Pin 1
• GND connected to Pushbutton (2) Pin 2 and 9V Battery -
• D2 connected to Pushbutton (1) Pin 2
• VIN connected to 9V Battery +

NRF24L01

• MOSI connected to Arduino Nano D11/MOSI
• CSN connected to Arduino Nano D9
• VCC (3V) connected to Arduino Nano 3V3
• GND connected to Arduino Nano GND
• CE connected to Arduino Nano D10
• SCK connected to Arduino Nano D13/SCK
• MISO connected to Arduino Nano D12/MISO

Pushbutton (1)

• Pin 1 connected to Arduino Nano GND
• Pin 2 connected to Arduino Nano D2

Pushbutton (2)

• Pin 1 connected to Arduino Nano D3
• Pin 2 connected to Arduino Nano GND

9V Battery

• + connected to Arduino Nano VIN
• - connected to Arduino Nano GND and Pushbutton (2) Pin 2

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 concludes the detailed documentation of the circuit.