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Nrf905 packets and CRC check methods 0

Hi, my friend, I've been with nrf905. I use a 16-bit CRC check. But I encountered problems in use: 1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...

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Started over 9 years ago
by Jesen
Not Answered
NRF24L01+ not transmitting 0

I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
- nrf24l01
1362 views

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Started over 9 years ago
by Daniel C
Not Answered

nrF8001 can be seen by iOS but not by Android 0

Hello, I've built a small BLE-device based on the nrf8001. With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...

566 views

0 replies

Started over 9 years ago
by CCommander
Not Answered
Need Help with nrf24L01 0

Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
- nrf24l01 gps data
480 views

0 replies

Started over 9 years ago
by hmoss
Not Answered

Problem with SPI CLCK 0

Hey folks, I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...

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0 replies

Started over 9 years ago
by Milad

Recent in Nordic blog

SD card interfacing

Salman

Hi, I have written SD & SDHC card routine for reading, writing and erasing data from SD card. It used the hardware SPI of nRF51822. NOTE: 1)Define the PINs of SD card first before initialing. 2)Define…
- 10 Oct 2014
How different BLE packet types influence throughput

Stefan Birnir Sverrisson

There are several types of write operations, write request with authorization, write request without authorization and write command. You can see message sequence charts for those messages here and he…
- 9 Oct 2014
Measuring Lithium battery voltage with nRF51

Stefan Birnir Sverrisson

Here is an example of a hardware setup to measure the voltage on a Lithium battery with a voltage divider and a connected capacitor. The Lithium battery typically has a voltage range of 2.7 - 4.2 V and…
- 2 Oct 2014

Latest guides

Getting Started : Getting started with Bluetooth Electronic Shelf Labels (ESL) and Periodic Advertising with Responses (PAwR)

Lorenzo Amicucci

The new Bluetooth 5.4 features Periodic Advertising with Responses (PAwR) and Encrypted Advertising Data (EAD) can be used for one-to-many applications. One of these is the Electronic Shelf Labels (ESL…
- 7 Aug 2024
nRF5x: General PCB design guidelines for nRF52 series

Kaja

When designing a PCB with a high-frequency radio onboard certain rules should be followed for optimal radio frequency (RF) performance. This guide will provide some general PCB guidelines that can be used…
- 6 Nov 2023
Software: Periodic Advertising with Responses (PAwR): A practical guide

Hung Bui

Periodic Advertising with Responses (PAWR) is a new feature in Bluetooth 5.4. It extends the periodic advertising protocol from Bluetooth 5.0. Periodic advertising, where a device sends broadcast data with…
- 13 Sep 2023
nRF5x: General PCB design guidelines for nRF53 series

Kaja

When designing a PCB with a high-frequency radio onboard certain rules should be followed for optimal radio frequency (RF) performance. This guide will provide some general PCB guidelines that can be used…
- 6 Jul 2023
Software and Protocols: nRF Cloud Access Provisioning

Charlie

Please note that some information on this page may be outdated due to ongoing improvements in nRF Cloud. For the most current details on provisioning services, refer to the nRF Cloud Security Services…
- 1 Dec 2022
Software and Protocols: Field verification of GNSS on the nRF91 Series

JaniM

Introduction The intention of this guide is to clarify and describe the main aspects relevant to the GNSS receiver functionality on the nRF9160 as well as build configurations, tool recommendations and…
- 10 Jun 2022