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.
274 questions
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Set Throttle to 0 for Standard Analog Joystick on Multiwii + NRF24 Drone TX
I've been building a NRF24 Transmitter for my Multiwii 2.3 + NRF24 + BMP180 Drone. Everything looks okay, but when I want to test the NRF24L01 transmitter, I see from Serial Monitor and Mini LCD, It ...
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Error: void value not ignored as it ought to be done = radio.read(&Irms, sizeof(float));
Good morning everyone, I had this sketch that worked now when loading the program gives me an error:
#include <Wire.h>
#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>
...
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1
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ESP32: nRF24L01 receives no data
Using two, nRF24L01 with two, ESP32 DEVKIT V1. Trying to setup RF24 Library example, "Getting Started". Able to transmit on both nodes, however, there is no payload received when switching ...
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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 with this change in ...
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RF24 if statements are not reading properly, even if an "if" value is wrong, it still follows the associated code [closed]
My code is taking values from a remote and transmitting the state of it. Right now the states are just 1 and 0, on or off, and is writing over the serial monitor on the transmitting Arduino. On the ...
2
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2
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Changing SPI ports on an Arduino
My end goal is to read information from an nRF24l01 module connected to my Arduino UNO R3, and generate an interrupt whenever a message is sent to the Arduino.
Now, I have read that for Hardware ...
4
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1
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355
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Connecting nRF24L01 to ATmega328PU with external 8 MHz crystal problem
I am trying to fix the problem of communicating between two nRF24L01+ together, one connected to an Arduino Uno and another connected to an ATmega328PU with an 8 MHz external crystal.
The bootloader ...
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NRF24L01 PA+LNA With Arduino
I am using the NRF module for remote communucation.I have been many research about nrf but my nrf module is not working This is my tranmistter code:
#include <SPI.h>
#include <nRF24L01.h>
#...
3
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1
answer
775
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How do I use a transmitter and receiver to send string messages conditionally to a receiver?
I'm working on a project to build a plant monitor that works from the outside with Arduino that picks up light and water values from it's environment then uses a nRF24L01 with an antenna and I've come ...
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How to connect a nRF24L01 to a Wemos D1 R2?
I have troubles connecting a nRF24L01 transceiver to a Wemos D1 R2 board. I succeeded on an Arduino Uno. Does anyone know the pinout?
I used (same as with Uno):
D13 - SCK
D12 - MI
D11 - MO
D8 and D9 ...
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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 ...
3
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1
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793
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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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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 ...
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Will many nrf24L01 radio modules running at the same time cause interference?
I am working on a battle bot type of project where their will be 4 transmitters communicating with 4 receivers attached to the robots in the 4 foot x 4 foot playing field. Are their any complications ...
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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 ...