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Not Answered
At first pairing, all pins are working. However, after power on/off and then re-connect the device, only the keyboard key is working. This situation is not always happen. 0

Using nRF51822, I define keys and pins as follows: Keyboard key Mouse left/right key Mouse move (up/down/left/right) Media play/pause key Pin 0 Mouse...
- keyboard
- mouse
- keil
- nrf51822
- media
781 views

0 replies

Started over 10 years ago
by bruce
Not Answered
nrf UART device keeps getting disconnected 0

The bluetooth device keeps getting disconnected from the app, even when its not 'idle'. I am using the android app mentioned here . I need help getting started to solve...
- ble nrf_uart android
923 views

0 replies

Started over 10 years ago
by Vinay
Not Answered

Strange app_button behaviour in SDK v6.0 0

Moving from SDK version 5.1 to 6.0, the buttons on my PCA20006 beacons no longer works as expected. When I press a button, it seems to register the release of a button incorrectly...

554 views

0 replies

Started over 10 years ago
by Justin
Not Answered

Other examples of observer behaviour with S110 v7.0? 0

I posted another question along these lines, about using the Timeslot API to get observer behaviour with the S110 v7.0 SD, but I am having trouble getting it to work. Are...

524 views

0 replies

Started over 10 years ago
by Jimi Cullen
Not Answered
External sensor data convert digital data on nRF51822 0

static void button_event_handler(uint8_t pin_no, uint8_t button_action) { if (button_action == APP_BUTTON_PUSH) { switch (pin_no) { case HR_INC_BUTTON_PIN_NO: //push...
- adc
- keil
- nrf51822
865 views

0 replies

Started over 10 years ago
by jaehyun

Recent in Nordic blog

Readiing humidity from HTU21D sensor using TWI

Fredrik Sundt Brynhildsvoll

##Measuring humidity using TWI on nrf52## In this post I will explain how the nRF5x chip can be used to communicate with a sensor over TWI (I2C). To run this example extract the files to examples -…
- 24 Feb 2016
Production release of S130 & S132 v2.0 SoftDevices for the nRF51 and nRF52

Pär H

Since Nordic Semiconductor released the S130 SoftDevice for our nRF51 ICs in early 2015, we have been working hard to make our Bluetooth low energy protocol stacks more feature rich and more configurable…
- 22 Feb 2016
Keil + nrfjprog = true

Øyvind Karlsen

In this blogpost we will demonstrate the usage of Keils integrated command line functionality. We will start nrfjprog through Keil bindings in order to erase our chip and program SoftDevices. nrfjprog…
- 22 Feb 2016

Latest guides

nRF5x: General PCB design guidelines for nRF52 series

FormerMember

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…
- 11 Jul 2016
Software Development Kit: Migrating to Peer Manager

Øyvind Rønningstad

The tutorial has been updated for SDK v11, which contains the production-ready release of Peer Manager. The original tutorial can be found on this page, below the updated tutorial. #Migrating to Peer…
- 8 Apr 2016
Bluetooth low energy: Bluetooth low energy Characteristics, a beginner's tutorial

MartinBL

Before we begin Table of content Topics that will be covered include: Before we begin Basic theory Attribute tables in nRFConnect Bluetooth Low Energy application Description of the example Adding a…
- 18 Mar 2016
Bluetooth low energy: Bluetooth Smart and the Nordic's Softdevices - Part 2 Connection

Hung Bui

This blog series was created as an attempt to fill in the gap between how Bluetooth Smart is described in the spec and how you can use our APIs and event from our softdevice to do what defined in the spec…
- 1 Feb 2016
Design Examples: Capacitive Touch on the nRF52 series

Einar Thorsrud

Important updates: Due to erratum 84 (COMP: ISOURCE not functional), capacitive sensing using the relaxation oscillator method is not usable in a real product with the nRF52832, as it will only work reliably…
- 31 Jan 2016
Bluetooth low energy: Bluetooth Smart and the Nordic's Softdevices - Part 1 GAP Advertising

Hung Bui

This blog series was created as an attempt to fill in the gap between how Bluetooth Smart is defined in the spec and how you can use our APIs and event from our softdevice to do what defined in the spec…
- 10 Dec 2015