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How to do the application switch to serial bootloader 0

Softdevice Version： 8.0.0 SDK： 9.0.0 IC： NRF51822 Rev 3 service： NUS ANCS When the application is not downloaded, the bootloader is working. After serial bootloader...

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Started over 9 years ago
by Long
Not Answered

Looking for a few OS X Xcode alpha testers... 0

We're looking for a few (2-3) savvy OS X users who might be interested in trying out Xcode to natively develop code for the nRF51/52 BLE SDK's. This build method does NOT...

552 views

0 replies

Started over 9 years ago
by mstrouse
Not Answered
stackpointer after start from SD V8.0 0

Hello, i'm working with my own board with the SD V6.0 and nrf51822 chip id QFAAG0. Already works fine. Now i switch to the new SD V8.0. The SD V8.0 is programming with...
- d110 nrf51822 sd110_v8.0 gcc
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0 replies

Started over 9 years ago
by wbriel
Not Answered
NRF51822 S110 proximity example does not work for IPhone6? 0

Hi everyone, I'm working on the nrf51822 chip and using S110 stack of SDK 6.1. Everything is fine for IPhone5s. The proximity example is running on the nrf51822 device...
- s110
- iphone6
- nrf51822
1883 views

0 replies

Started over 9 years ago
by mjy
Not Answered

Can't read rssi value when when device alarming used IAS 0

Hi,all.i use ios to read rssi value from device after write 0x01 to IAS services.Can someone help me?

600 views

0 replies

Started over 9 years ago
by wuvo.leo

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

Software: Testing concurrent multi-protocol support of Zigbee & BLE over single USB connection to external CPU

Mark Q

Purpose The purpose of this blog is to showcase how a single USB bus can be used as the physical transport for multiple protocols when an external CPU is the controller. Specifications as tested Boards…
- 13 Jul 2021
Peripherals And RF Test: Working around missing shield labels (on the nRF9160 DK)

Embla Flatlandsmo

Table of Contents Objectives What are device tree overlays, and how do they relate to shields? Why are Arduino nodes not recognized in the nRF9160 DK? The workaround: Using the shield as a board ove…
- 25 Jun 2021
Peripherals And RF Test: LVGL on a TFT LCD Display with the nRF9160 DK

Embla Flatlandsmo

Table of Contents Hardware Components Wiring Software Prerequisites Steps Incorporating this into other projects Further reading Attached files This blog post demonstrates how to get a LVGL sample…
- 25 Jun 2021
Software: Using the NCS / West to program the Radio_Test example into the nRF5340-DK for agency testing.

Jay Tyzzer

Background: There is a need to be able to put a Nordic Semiconductors S0C /transceivers into modes where the physical layer and RF characteristics may be ascertained. The radio test example is used to…
- 18 Jun 2021
Software: Building a Bluetooth application on nRF Connect SDK - Contrasting to SoftDevice - Part 2 Central role

Hung Bui

This is part 2 of the series Building a Bluetooth application on nRF Connect SDK - Contrasting to SoftDevice based Bluetooth applications You can find the other parts here: Part 1 - Peripheral Role. Part…
- 5 May 2021
Peripherals And RF Test: Adding a Peripheral(SPI) to an NCS (version 1.x) Zephyr project

Jeff4BLE

Objectives Provide a brief primer to NCS and Zephyr Provide a quick-start guide to adding peripherals to an existing sample project Demonstrate running both foreground and background tasks within Zephyr…
- 21 Feb 2021