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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OTA updates for Arduino using nRF24L01+
Is it possible to send OTA updates to Arduino via nRF24L01+ module?
Here are my findings:
Here is an instructable explaining how to program Arduino wirelessly but this thing uses a BT module which ...
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nRF24L01+ RF24 library - can send but can't receive
I'm prototyping out a board with temperature, humidity, windspeed sensors, and using an NRF2401+ board to send values to a Raspberry Pi base station that will record the data.
Using a Leonardo clone ...
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Serial Monitor breaks normal behaviour of Nano + NRF24l01
Couldn't find any other post that mentions Serial Monitor crippling the normal workflow of the NRF24l01, so here it goes.
I have two Arduino Nano, both with NRF24l01 attached, and an RF24 library ...
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Portable power for an UNO with a nrf24l01+ attached?
Okay so I have an UNO that has an nrf24l01+ attached. I want it to be completely wireless so free of the 5v USB power and the 12V wall plug. In this case what can I use? I do not wish to plug the ...
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nrf24l01+ does not work with a battery, or very unreliably
For a project in progress, I have an Arduino UNO sending a message when a condition occurs, and a Raspberry Pi that listens to it. Both are fitted with NRF24L01+ modules with antennas.
It works ...
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Pair of nRF24L01s ping/pong example sketch works, but using my own code fails after first successful transmit
I have a pair of nRF24L01s connected to a pair of Arduino Unos and I'm using the RF24 library from here: RF24 library. When I run the pingpair example sketch, the radios transmit and receive back and ...
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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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Sending large structs via nrf24l01 leads to cliping of some structs members
I started with building of the wireless temp/hygro/other values probes. I use 2 arduinos, both with nf24l01+ wireless transceivers, library used is rf24.h (https://github.com/maniacbug/RF24). ...
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Increasing payload size above 32 bytes using nRF24L01+
I tried to modify the example in the following page, by replacing the given string with a 56 bytes one after making all the suitable changes to read(), write() and max_payload_size(increased to 64 ...
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Arduino RF24 library Delay after write function causes no byte availability
It's about the RF24 library you can find here. http://maniacbug.github.io/RF24/index.html
I transmit data from one Arduino to another using NRF24L01 radios.
When I use the write-function on the ...
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Throughput and BER test with nRF24L01+ radio and Teensy microcontroller
I am trying to modify the example given in the this page to a basic throughput and BER test with two nRF24L01+ and Teensy 3.0 modules.
I want to modify the nrf24l01_send_string example in a way that ...
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Delay on multiple NRF24L01+ (RF24.h) and Arduino nodes
I have set up a system using 4 arduino clones, each wired to an NRF24L01+ radio. I am using the RF24 library by maniacbug (https://github.com/maniacbug/RF24) and have set-up the nodes with 1 base node ...
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NRF24L01+ scanning and connecting to wifi hotspots or creating one
I've seen this video so I think I can connect it through my wifi router to any device. How can I scan for and discover wifi hotspots and then connect to it? Or is there a way to create wifi hotspot of ...
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NRF24L01 Direct Communication Library Logics
Actually I'm using the RF24 Library mantained by TMRh20 (https://github.com/TMRh20/RF24).
I'm trying to get some type of direct communication between multiple modules working, but I don't want to use ...
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Arduino NRF24L01+ arduino to netmf transmit issue
I want to communicate between Arduino Mini Pro (china import) and a stm32f4 running netmf runtime. At the moment I'm able to communicate between SPI1 and SPI2 on the stm32 board.
After that I ...
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RF Remote Clone using NRF905
I have come across the various blogs which talks about cloning RF remote using cheap 434 MHz Tx/Rx and RCSwitch library.
I tried using RF 434 MHz ASK (https://www.sparkfun.com/products/10532) module ...
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Can the nRF24L01+ CE and CSN pins be attached to Arduino pins A0 and A1?
This documentation states that the CE and CSN pins can be specified. Can I specify A0 and A1 as these pins?
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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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Motor shield and wireless transceiver compete for same pins
I would like to use these 2 components with an Arduino Uno:
Arduino Motor Shield R3
nRF24L01 2.4GHz Wireless Transceiver
I use Stepper for the motor shield, and SPI + RF24 for the wireless ...
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"Hello World" program for nRF24L01+?
Where is a simple program that demonstrates unidirectional data transmission over a pair of nRF24L01+ radios? It should have adequate output so that a beginner can determine that the transmission is ...
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nRF24L01 pipe question
I am looking through the example code found here. I know there are 6 pipes that the nRF24L01 module can use but I've been searching the internet for the address designations and have been able to find ...
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