How the nRF24L01 Wireless Transceiver Module Works With Arduino.

In this tutorial I am going to demonstrate how wireless communication between Arduino modules can be achieved using the low cost RF (radio frequency) based nRF24L01+ transceiver modules.

These modules are cheap and easy to interface to a variety of microcontrollers like MCU, ARM, PIC, AVR and STM32 using SPI protocol.
They operate at 2.4GHz ISM band frequency and use GFSK modulation for data transmission hence the data transfer rate can either be 250kbps, 1Mbps or 2Mbps.

[elle]

Gold tutorial. I was having so much trouble understating how to use these and you made it simple and it worked for my project! Thank you for the time you put into this!

[michaelstraughn]

Thank you, you made it simple... I appreciate that.

[ShijilThachilodi]

I am sorry, I didnt get it! The code states digitalWrite(led1, HIGH);
digitalWrite(led2, HIGH); and it just keeps the LEDs on by default. did you used different code for the video ?

[krishnapalsinghrajput]

I need your contact details Sir for some help.
As when I compile the code in Receiver it starts to blink without transmitter.

[lampfall]

Hi nice video I am trying to redo your tuto but after compiling the code, led blink and when I able the button nothing change,
Please I need your help?

[naveenk]

WHAT HAPPENS WE PRESS TWO BUTTON AT A SAME

[danrusu]

Good evening! I need arduino code please for the following problem> on a development board I have a gyro sensor and a wireless module that transmits the gyroscope data to another development board that has a wireless module and a board with leds. the LEDs light up depending on the movements received wirelessly from the gyroscope.thank you!

[sylgonjaysanoy]

what will happen if you press the button at the same time?

[xrphobby]

I used shift register 74HC165 to increase my push button switches, and 3 pins of Shift register (Load in Pin1, Clock in Pin2 and Serial out Pin9) are connected to arduino with wires and it's working ok. How is it possible to connect wirelessly 3 pins of Shift register to 3 or more arduino boards and achieve the same result with the use of NRF24L01? THANK YOU.

[jumbo]

I successfully control LED wirelessly through this module but never with Servo. please help.

[wandersonsilva-fxcs]

I got your code and did the test here it worked very well!. Congratulations! sorry I'm a beginner! I want to know how I would use 4 buttons or 2 buttons and a servo motor?
Thank you for your attention! Thanks

[k.gshafiulmojnabin]

i need your help for 4 switch function project

[anupchakraborty]

please modify code for 8 channel same remote ( project working very nice) how to increase range 500 miter

[kyriakosgeor]

I have ma question: can this system as it is work in a 30 or more meters long room? With the two arduinos having that distance with each other?

[armanabbasi]

It work for 1 kilo meter if you have a transmitter with antenna

[neilcobb]

Hi sir could this be used to control 8 separate relays ?
I need to operate momentarily 8 separate machines over a distance of about 400 meters. Using an 8 button hand controller

[JohnKawsar-uv]

Hi friends
Thank to this channel
I have tested the project and it realy works

[allefherculano]

muito bom o video, ainda mais com legenda Fiquei com uma duvida: no transmissor o estado do buttonpin1 será transmitido pelo buttonstate1 e o estado do buttonpin2 será transmitido pelo buttonstate2, até ai tudo certo. A dúvida é na questão do receptor, aonde chega o estado do buttonstate1 e buttonstate2?

[mikedavis]

have you got any tutorial on how to control a servo instead of LED using buttons?

[Mrmath]

Great jop❤ would you please make a video about to push button as toggle switch with nrf module
Thanks☝️