Arduino NRF24L01 User Manual

Arduino Codes
First we need to download and install the RF24 library which makes the programming less difficult.
Here are the two codes for the wireless communication and below is the description of them.
Transmitter Code
1./*
2.* Arduino Wireless Communication Tutorial
3.* Example 1 - Transmitter Code
4.*
5.* by Dejan Nedelkovski, www.HowToMechatronics.com
6.*
7.* Library: TMRh20/RF24, https://github.com/tmrh20/RF24/
8.*/
9.#include <SPI.h>
10.#include <nRF24L01.h>
11.#include <RF24.h>
12.RF24 radio(7, 8); // CE, CSN
13.const byte address[6] = "00001";
14.void setup() {
15.radio.begin();
16.radio.openWritingPipe(address);
17.radio.setPALevel(RF24_PA_MIN);
18.radio.stopListening();
19.}
20.void loop() {
21.const char text[] = "Hello World";
22.radio.write(&text, sizeof(text));
23.delay(1000);
24.}

Arduino NRF24L01 Specifications

General

Maximum Data Rate	2 Mbps
Number of Channels	125
Interface	SPI
Data Rate	250kbps, 1Mbps, 2Mbps
Operating Voltage	1.9V - 3.6V
Current Consumption	11.3mA transmitting, 12.3mA receiving
Range	Up to 100 meters (open space)
Dimensions	15mm x 29mm