Questions tagged [nrf24l01+]
An ultra low-power transceiver for radio communication in the 2.4GHz ISM band (Industrial, Scientific, and Medical). Commonly used by tinkerers because of its low cost and its easy to use SPI interface.
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nRF24L01 continuously reading closed pipe
I am testing communication between two nRF24L01 modules. The receiver is getting the transmitted message but is also continuously reading (null) data from a closed pipe? I am using the RF24 by TMRh20 ...
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1
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Connecting nRf24L01 to Atmega328PU with external 8Mhz Crystal problem
I am trying to fix the problem of communicating between two nRf24l01+ together, one connected to Arduino Uno and another connected to Atmega328PU with 8Mhz external crystal.
The bootloader on ...
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3
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0
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Raspberry pi pico (Arduino core) not initialising SPI correctly for NRF24l01
I'm working on a project where i have a Raspberry pi Pico connected to a NRF24l01+ to send some data.
However i'm not recieving any data on the reciever and i think that its because the SPI bus is not ...
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3
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1
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Arduino hangs / freezes - can't figure out why
I am building a remote controlled boat. My remote project freezes after an arbitrary amount of time. The serial stops output, the OLED doesn't update anymore and instructions are not send / received ...
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nRF24L01+ problem with receiving response
I'm sending currently data from a Raspberry to an Arduino, but I have a problem with receiving response from the Arduino back to the Raspberry:
Sent the message: ['H', 'i', '.', '.', 'A', 'r', 'd', '...
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3
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0
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408
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STM32 Nucleo-L432KC can't send data to Arduino Uno via nRF24L01 module
Hello everyone.
First of all, I know you're going to tell me to send my question on the stm32duino forum. But I tried to enter the stm32duino forum and I didn't succeed (I think their forum is closed)...
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199
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RF24 Network. More than one payload
I am using Nrf24Lo1 to communicate a payload of button commands resulting in leds being lit on second. This is working OK.
My aim is to have one as Tx and more than one as RX, I can find several that ...
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0
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Arduino NRF24LO1
I have a problem with transmiter (Arduino uno) and receiver (Arduino nao). When I am trsmiting that I receive that:
An this is my code for receiver
#include <SPI.h>
#include <nRF24L01.h>
#...
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2
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0
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121
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nRF24L01 +pa +lna link does not communicate
I’m trying to create a link between two nRF24L01 units. Each nRF24L01+-based module (purchased) is connected to Arduino Nano on a custom-designed PCB.
The printed wiring is per the hardware ...
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2
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How to connect two arduinos with smartphone wirelessly
I'm working on a project that have two separate setups for Arduino, each Arduino read sensors and send data to smartphone. how to connect two Arduino then send all data to smartphone over Bluetooth?
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1
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nRF24L01 using sender as receiver and vice versa with RF24 library
I have two nRF24L01 modules (I tried 2 with antenna and 2 without antenna) paired with their power base module and connected to two different Arduino Mega 2560 boards.
I'm able to send from one ...
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0
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1k
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NRF24l01+ works only when touching its antenna
I have two simple NRF24l01+ (with range of 200m) and two NRF24l01+ with range of 1km.and two socket adapter.
or what I have
and I have two good library with names RF24 and RF24-master . problem ...
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0
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158
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Combining mysensors with SD card (on an Ethernet Shield v2)
I'm trying to combine a MySensors network with the usage of a SD card. Currently I'm working with the SD card reader on the EthernetShield v2.
The NRF24L01+ chip I'm using is also using SPI but we ...
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2
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0
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95
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Communication between 2 nRF24l01s and 2 Arduino unos
I am having a logical error that I can not figure out with the communication. I am communicating fine with the two boards such that I can send and receive data. Code to my Transmitter and Receiver. ...
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0
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Having trouble connect nrf24l01 to arduino micro and arduino uno!
I'm trying to connect a nRF24L01 with my Arduino Micro and Arduino Uno. The Arduino Uno works fine, but it doesn't talk with the Arduino Micro. CE is on pin 7 and CSN on pin 8. I posted the code down ...
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RF24 - Split data in payloads at sender and then rebuild on receiving end
I'm trying to send some data using nRF24L01+ transceivers, but I need to use 8 byte payloads for reliability. The data I'm sending is much bigger than that, so I need to split it into 8 byte packets ...
2
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trying to discover other nrf24 modules
Today I started messing with the idea of getting an arduino uno to autoconnect with another arduino uno using the nrf24l01 breakouts.
I dont have a particular goal in mind per se but was just wanting ...
2
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0
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304
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Attiny cores with SPI support?
It's been done, but the the tutorials I find seems incomplete. What I'm trying to do is make the ATTiny84 talk to the 2.4 GHz NRF24L01+ radio. I understand that in order to do that I need the MCU to ...
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Arduino stops working after some receivings from RF
I made a sketch that receives an rgb code from a remote Arduino using nrf24l01 and while it works for the first receivings then it stops working. I placed a testing Serial.println in the loop to test ...
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0
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662
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Mirf not sending reply
I am trying to create a server - node connection with NRF24L01+ chip and Mirf library with interrupts. It seem to work, but server does not seem to get reply from node. If I put it in the loop it ...
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Setting EN_AA (auto ACK) to 0x01 or 0x02 makes nRF24L01+ stop sending/receiving
Test case:
2 arduino nodes with nRF24L01+ transceivers. Using maniacbug's RF24 library. Using pipes 0 and 1. (Auto-ACK is ON for all pipes by default)
When I set Auto-ACK ON for all pipes rf24....
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How to connect nRF24L01+ with Arduino Giga R1
I have bought: 2 Arduino Giga R1, 2 nRF24L01+ modules and 2 nRF24L01+ adapters. I am using the Arduino SPI in order to connect it with nRF24L01+. And I am using the following code: https://www....
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1
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How to connect NRF24L01 to Wemos D1 R2
I have troubles to connect a NRF24L01 to a Wemos D1 R2 board. I succeeded on an Arduino Uno. Does anyone knows the pinout?
I used (same as with Uno):
D13 - SCK
D12 - MI
D11 - MO
D8 and D9 for CE and ...
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0
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158
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Is my nrf24l01 radio module broken?
I was trying to use two Arduino Nano connected to two RF24 modules to build a remote control boat. I self-assembled both the remote and the receiver circuit following the skematic suggested in that ...
1
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0
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96
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NRF24L01 modules fail to stay connected. Work intermittently
I am trying to get the NRF24 Modules to work but all I get is short lived moments of when it works. I am using the transmitter to send signals to the receiver, which in turn sends a signal to the ...
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0
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95
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Read State from Variable
I am attempting to use radio modules to receive a value from a sensor, either 1 or 0, and complete an action. The only problem is that I would like the action to only complete once per state change, ...
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No communication between two stations that include Arduino Nano and nRF24L01
I'm struggling to establish a link between two Arduino Nano using nRF24L01 (the module that contains PA and LNA). I assume I made a coding mistake (May be in the setup method?), and I need help in ...
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NRF24L01 receiver flooded with data packets
Following this tutorial I attempted making an NRF transmitter and receiver using an Arduino Nano. On the transmitter side I used the following code:
// SimpleTx - the master or the transmitter
#...
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0
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Using BLE via NRF24L01 to communicate with Android phone
I have been going through a tutorial about this, based on the example code for the "BTLE" Arduino Library.
This is my program:
#include <SPI.h>
#include <RF24.h>
#include <...
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How can I send 2 orders using nRF24L01
My project is to control a servo with a joystick using nRF24L01. I have this code working well, but the problem is that I want to add a lamp in the receiver side, and a switch in the transmitter side. ...
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Communication code between nrf24l01's suddenly not working. Hardware is fine
I specifically had saved code for the purpose of checking the connection, but it doesn't seem to work anymore.
All the examples from this simple tutorial work, so it can't be a hardware issue.
Maybe ...
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0
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485
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Interfacing Arduino nano ,adxl335 ,nrf24l01
I'm trying to make a project with this conection diagram but I don't think it's correct , and my adxl sensor died . Can you help me with a modified one ?
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NRF24L01+PA+LNA communication problem
I'm trying to communicate between two NRF24L01+PA+LNA modules.
I know that NRF24L01+PA+LNA modules are consuming a lot of power and here is my 3.3V power circuit.
The LM317 datasheet says it can ...
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0
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633
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Power down NRF24 to conserve battery life using MOSFET
I'm using a Pro-Micro to send messages using NRF24 module from a remote location, using batteries (later on, will be recharged using solar panel).
To conserve power, Pro-Micro wakes up every 30 ...
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0
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108
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Problem communicating Using Nrf24l01+pa+lna, I am receiving 00 Hex
I am trying to build a wireless switch. At one end, I have Arduino Uno connected to Nrf24l01+pa+lna module. While at the other end there is Arduino Nano connected to Nrf24l01+pa+lna and a relay. I ...
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0
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Getting Nrf24l01 modules to work!
I am at my wit's end with these Nrf24l01s. A bit of history: I have ordered about 25 of these, tried the adapter board, read every article, tried every sketch (including Robin's tutorial), powered the ...
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0
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75
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Communication between two nrf24l01
i can't figure this out, i have a task to get data from RX module that led has turned on.
The Idea. I press push button on TX part, and led diode turn on, on RX part. Then RX send's data to TX that ...
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0
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RFMesh (NRF24) for STM32F1
I wanted to know the RFMesh library available for Arduino Uno can be used for STM32F1? Will it work? Or they have seperate set of library for STM32
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Using NRF24L01 as transmitter and receiver (transceiver)
I am using the NRF24L01 module to communicate between multiple Arduinos. For this example I will have a master transmiter (tx) Arduino and a salve receiver (rx) Arduino to illustrative better my ...
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Trouble with basic communication between two NRF24L01 modules
Introduction
I am trying to setup a radio communication using the NRF24L01 module because I want to use it to control a tank. The first thing I did when I got the modules was watching some basic ...
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0
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i build quadcopter using USB HOST SHIELD + NRF24L01 but the data transmit is wrong
I am building mini Arduino quadcopter project. I am using USB host shield for joystick support and nrf24l01 to transmit the data. Unfortunately, I got wrong data transmitted at the receiver and tried ...
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0
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nrf24L01 with/without antenna
the function write in nrf24LO1 (without antenna) works perfectly
but in nrf24LO1 (with antenna) not works. why?!
the code
#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>
#...
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1
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0
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114
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NRF24I01 with antenna Communication Delay
I am doing my senior design project which is due in a week, I am currently using the NRF24I01 with antennas for both the transmitter and the receiver. I am building a robot that is suppose to climb a ...
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0
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Project concerning wireless communication between raspberry pi (transmitter) and arduino uno(receiver) using nrf24l01. Receiver not working
We are trying to send a message using NRF24L01, raspberry pi as transmitter and arduino uno as receiver. Our concern is, the receiver arduino might not be working because we are not getting the proper ...
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Help with Receiver / Transmitter (nRF24L01+)
Dear fellow Arduino users,
My two friends and I are having trouble on an Arduino project we are working on. We are using two Arduino Uno's and trying to have one of them send a signal to another one ...
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0
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155
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nRF24L01 : transmission fail when receiver is connected in Serial
I have two Arduino Nano communication with radio.
One is a transmitter and send simple message :
#include <nRF24L01.h>
#include <RF24.h>
#include <printf.h>
#include <...
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0
answers
603
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NRF24L01 based project freezes for no good reason
I have built and coded a low power NRF24L01 transmitter and receiver, for purposes of transmitting the temperature of the transmitter's environment. I have used an Atmega328P chip for the project. The ...
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0
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700
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Having problems compiling this code for NRF24l01 on stm8s103f3p6
It said it has mutiple libraries were found for "nRF24L01.h"
but i check the Ardurino libraries I can only found one.
And it work fine if I compile it to Arduino uno.
//Include Libraries
#include <...
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1
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0
answers
282
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NRF24l01 receiving only zeros
I want to transmit and receive data with the help of NRF24l01 modules. I tried to deliver joystick values from UNO to UNO but I have trouble about it.
In receiver side I have only zeros. I have been ...
- 11
1
vote
0
answers
959
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Using MOSI and MISO pins for multiple devices
For the device I am creating, I am hooking up an apa102 led strip to pins 11 and 13 to control each LED. But I would also like to hookup my NRF receiver to the arduino, but I also use pins 11 and 13. ...
