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Writing peripheral characteristic value 0

Hello, I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
- value
- bluetooth low energy
- keil
- write
- nrf51822
- characteristic
2581 views

0 replies

Started over 9 years ago
by nejcokle
Not Answered

NRF24L01 Breakout boards 0

I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...

771 views

0 replies

Started over 9 years ago
by THLL
Not Answered

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...

935 views

0 replies

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
1363 views

0 replies

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...

568 views

0 replies

Started over 9 years ago
by CCommander

Recent in Nordic blog

External nRF51822 SWD Programming using the nRF51-DK

Mahesh Venkitachalam

I've written up a note on programming external nRF51822 boards (like the RedBearLab Nano) using the SWD interface of the nRF51-DK. http://electronut.in/nrf51-dk-external-programming/
- 9 Jul 2015
Getting started with nRF51822 and GCC - transmitting LDR light levels over BLE

Mahesh Venkitachalam

I've written up a simple project that uses the nRF51-DK to send LDR light levels over BLE using the Nordic UART Service (NUS). In the process, I have set up a cross-platform toolchain (OS X, Windows) using…
- 8 Jul 2015
IoT Contest MINI ECG

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<o:shapedefaults v:ext="edit" spidmax="2050"/> <![endif]--> Idea: Currently on the market we can find doznes of applications which monitor health parameters…
- 25 Jun 2015

Latest guides

nRF5x: Current measurement guide: Introduction

Stian Røed Hafskjold

###Other relevant posts A concise guide to equipment setup, and how to use the development kit for current measurements can be found here: Measuring current with PCA10040 v0.9.0 A post that describes…
- 1 Dec 2015
nRF5x: General PCB design guidelines for nRF51 series

Petter Myhre

When designing a PCB with nRF51, nRF51822 or nRF51422, there are some rules that should be followed in order to get a good working radio/system, with a maximized range. General rule The RF part of the…
- 13 Nov 2015
Software Development Kit: nRF5 SDK Scheduler Tutorial

Einar Thorsrud

2019-02-08: Updated tutorial to cover nRF5 SDK version 15.2. Introduction Scope The following topics will be included in this tutorial: Configuration of the Scheduler library. Using the scheduler with…
- 9 Nov 2015
Bluetooth low energy: Bluetooth low energy central tutorial

Anders Strand

Scope Topics that will be covered include: Before we begin Necessary equipment and software Necessary prior knowledge Setting up the example projects Background theory Central and peripheral roles…
- 4 Nov 2015
Software Development Kit: nRF5 SDK Application Timer Tutorial

Einar Thorsrud

2018-11-23: Updated tutorial to cover SDK version 15.2. 2019-02-08: Improved example project (SDK 15.2) and updated instructions accordingly. Introduction Scope The following topics will be included in…
- 30 Oct 2015
Bluetooth low energy: Bluetooth low energy Services, a beginner's tutorial

MartinBL

Before we begin Scope Topics that will be covered include: Before we begin Necessary equipment and software Necessary prior knowledge Some basic theory The Generic Attribute Profile (GATT) Services…
- 26 Aug 2015