# 189 questions

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## Communication stopped between NRF24L01

I have been using two NRF24L01 to communicate with each other using just simple Arduino Uno Board. it worked for 5 days and now all of a sudden it is now working. I tried to change the modules and the ... (more)

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## nrf24l01 is too slow to send a string from Raspberry pi to Arduino?

using the sample code at

i am able to use nrf24l01 to communicate raspberry pi with arduino, but the problem is the timing. I found it takes > 20 ms to send a very simple string ... (more)

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hello,we use nRF24l01+ for the communication of IoT,nRF24l01+ need to receive CMD from the controllors,but after a long time,nRF24l01+ cannot receive data.

we have tested,the following is the information related: (1)the supply voltage of ... (more)

28
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## 328P does not wakeup when PRX IRQ is asserted by NRF24L01

Has any-one been successful waking up a sleeping 328P via a NRF24L01 PRX IRQ interrupt?? My scenario is as below. Establishing a two way communication between two arduino boards. One is a central-panel and the other is a node with ... (more)

24
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1
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## nRF24L01+ as TX / nRF52 as RX no received event

Hi,

I have done some reverse eng on a nrf24l01+ emitters using spi spy and managed to catch datas using an arduino leonardo + nrf24l01+ using the following register setup:

const byte addr[5] = {0x30, 0x26, 0xDA, 0x91, 0xD3};
radio.write_register ...
(more)

51
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## nrf24l01 multiple (a lot of) receivers, 1 transmitter

Hi, I am considering using nRF24L01 for a project, and I wanted to use one single transmitter to send data to various receivers (more than 6).

I have found some information on the net about a nRF24L01 being able to ... (more)

52
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## nRF24L01 Ack issue / tx giving max_rt error / PIC18F25K20

Hi,

I am having problem with setting up TX side of my project. It always giving me max_rt error if I am sending only once per cycle. 1 Cycle is every 30seconds. All working fine without ACK enabled, with ACK ... (more)

88
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I am trying to decide what Nordic solutions would best support the application throughput requirements seen below. Distance requirements are low (1 meter each link).

I was planning to use proprietary 2.4 GHz for links (1,3) and (2 ... (more)

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## nRF24L01 IRQ pin jitter on two modules in RX mode

Hello! I try to use three modules with chip nRF24L01 to syncronize two slave devices by one master device without wires. Required accuracy is about 10 nanoseconds. My idea is to send packet by master module, receive it by slave ... (more)

51
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## nRF24L01 firmware update

I have nRF6310, nRF2727.

1) I wonder if I can update the nRF24L01 firmware with the above board.

2) I wonder if there are any additional devices or other methods.

thank you.

55
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## Can I get some clarification regarding pipes and addresses?

Hi,

I've asked a few questions previously regarding programming of the nRF24L01/+ for simple data interchange between two devices, and my questions were answered -- many thanks.

However I still don't seem to be able to get a PTX ... (more)

46
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## nRF24L01+ Multi Tx, Single Rx Throughput Issues

We are using your nRF24l01+ chip in one of our products. we are using 1 nRF as receiver and 5 nRF's as transmitters.

While trying to use the chip with multiciever configuration, the receiver is not getting the data ... (more)

1k
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1
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3

## nRF24L01+ determine model number or if fake

Hi,

I wrote my own nRF24L01+ library for my AVR AtMega2560. I used the datasheet and the widely used Mirf library as my guide. I am happy to say I got it working. I have a a few questions. I ... (more)

224
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## Genuine nRF24L01+

Hi, is there any way to determine if a nRF24L01+ IC, is genuine?

220
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## want nrf24l01 communication with nrf51822 [closed]

hello,will you please tell me which code i have to use in the sdk 12.2.0 for rf communication with nrf51822 and nrf24l01 .and also tell me which settings i have to do for nrf24l01 side as a ... (more)

86
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## nRF24L01+ -> nRF24LU1+ RF communication.

HI.

I want to send data from nRF24L01 + to RF communication and receive it from nRF24LU1 +. The nRF24L01 + is connected to the STM32. The settings are as follows.

nRF24L01+ code

#if (DEMO_TX_SINGLE)

// The transmitter sends a 5-byte packets to the ...
(more)

1k
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## what's the maximum datarate of nrf24l01+ ?

what's the maximum data rate of nrf24l01+ (with ACK and without ACK) using 2 nrfs?

if i use 4 nrf24l01 two in tx side and two in rx side.what would be the maximum data rate?

in Transmitter side ... (more)

31
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Hi folks,

I'm trying to write a program to check out a pair of nRF24L01p modules talking to each other, and I'm a bit confused about two aspects of initialisation: 1. Should you have the 'PWR_UP' bit in ... (more)

66
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1
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1

## nrf2401+ replacement with NRF52832 via SPI

I have an arduino mega based design working with nrf24L01+ via SPI. As certification is the next step, I found a NRF52832 based module that would meet all certification requirements. Is it possible to just drop that module in and ... (more)

52
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## Is writing nRF24L01+ status reg. executable only in standby?

According to Table 19 in the nRF24L01+ datasheet, writing to any of the 32 command registers is "Executable in power down or standby modes only". This caveat is also repeated in the docs at the start of section 8.3 ... (more)

54
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## can nRF24L01+ be used on wireless microphone TX/RX?

I'm working on a 2.4GHz wireless microphone (2T1R) project now. I'm wondering can I use nRF24L01+ as the core of transmitter and receiver? Also can it be configured into 2T1R? For the Nordic website, I found the ... (more)

67
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## Seeking nrf24L01-PA-LNA datasheet

Just that! Where can I find the nrf24L01-PA-LNA datasheet?

42
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## Configure nRF24l01

Hello, I want to use multiceiver mode nRF24l01. For 4 transmitters. When setting up the receiver, I can only receive data from the tube 0. I can not understand how to tell the transmitter that it is a transmitter for ... (more)

185
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## switch between RX and TX mode in nRF24L01+

Hej,

I'm working with the nRF24L01+ and the ATmega328p programmed in c. The goal is to have both TX and RX mode in the same device, mainly work as RX but in certain conditions work as TX. There seems ... (more)

36
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## configure nRF24l01 [closed]

Please help to understand. How to configure nRf24L01 receiver for 4-pipe (pipe 0, pipe 1, pipe 2, pipe 3 ). But most importantly, how to specify the transmitter settings that it transmits to the second transmitter through the pipe 1, for ... (more)

52
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1

## NRF24L01P data pipe forbidden numbers

Dear friends,

I'm developing a prototype which use two NRF24L01+ and the auto ack and Enhanced ShockBurst only works with symmetrical data pipe address numbers.

Per example, in both devices, RX_ADDR_P0 = 01 00 00 00 01 and TX_ADDR = 01 ... (more)

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## Has anyone gotten the nRF24L01 to work with PSoC 3/4/5?

Im currently working on a project and long story short im stuck on getting the nRF24l01 to communicate. I believe I have the Tx side of things working, however as I do not have a serial monitor and am relying ... (more)

156
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1
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1

## What is the maximum number of Nrf24L01 devices i can connect to 1 ?

Hi,

I 'll need to comunicate whith many Nrf24L01 ( more than 20) and 1 nrf on a raspberry pi. Is that it is possible ?

thanks

Testa.

43
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## NRF24L01+ can not REcieved NRF51822 ACK in ESB!!!?

i have a setup with one NRF24L01+ as PTX and one NRF51822 as PRX

my problem is that the data sended ok and ack sended to NRF24L01+(i assume that by NRF_ESB_EVENT_TX_SUCCESS) but NRF24L01+ does not recieve it and MAX_RT ... (more)

110
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## nrf51822 and nrf24l01+ (esb)

Hi

i wanna create a connection between nrf24l01+ and nrf51822 with esb

in nrf51822 side i'm using sdk12.02 example and i need help for nrf24l01+ side

recommend me library or a method to setup

tnx

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