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[bug report & fix] app_uart_fifo is sending APP_UART_TX_EMPTY event before the last byte is sent 0

Hi Team, We are implementing an UART communication between a M4 processor (UART master) and a nRF51 (UART slave) and we want to use the UART in Low Power mode with flow...

1824 views

0 replies

Started over 8 years ago
by Patrice Rudaz
Not Answered
Pairing procedure failed by bonding 0

Hello everybody, for my project, i will bond the peripherial with the central. I test my device with the MCP and can connect without problems. When i press the Bond Button...
- bond
- sdk11
- s132
- nrf52832
1243 views

0 replies

Started over 8 years ago
by 1_andi
Not Answered
nRF52 max. input frequency on GPIO 0

Hi all, I am trying to count the positive edges of a 3.5MHz signal with GPIOTE, PPI and the TIMER1. Unfortunately i can only measure to frequencies up to a little more...
- 132 nrf52832 gpio
2051 views

0 replies

Started over 8 years ago
by Pascal Künzi
Not Answered
NRF52840DK w/S140 hardfault 0

Loaded Softdevice S140, ( Using NRF52840 DK board ) using NRFgo Studio. App flash base is set to 0x00021000 and app RAM base is set to 0x20003000 Looking at the CPU...
- nrf52840dk nrf52 nrfgo
599 views

0 replies

Started over 8 years ago
by Ove-Anders Gaarder Aune
Not Answered
Bluetooth name length limit less in SDK12.0.0 than in SDK8.0.0? 0

In our earlier projects with nRF51 and SDK 8 we used to have bluetooth device names of length 13 or 14 characters. However, when using nRF52 and SDK 12 I noticed that the...
- nrf5
- sdk12
- sdk8
- bluetooth name length
534 views

0 replies

Started over 8 years ago
by Jarmo

Recent in Nordic blog

nRF52 Range Extension with RFaxis' RFX2411N

Floyd Ashbaugh

External Power Amplifiers and LNAs easily connected to the nRF52 series device for high power extended range operation. Data sheets, white papers, schematics and layout information available at link t…
- 26 Jan 2016
Developing Nordic nRF51 applications with mbed and Visual Studio

ivan

This tutorial shows how to use the mbed framework to develop applications for Nordic nRF51 devices. Before you begin, install VisualGDB 5.1 or later. Start Visual Studio and open the VisualGDB Embedded…
- 26 Jan 2016
PA / LNA support in S132

Einar Thorsrud

The S132 SoftDevice for the nRF52 has support for enable/disable switching of external Power Amplifiers (PA) and Low Noise Amplifiers (LNA) using GPIO pins. This was introduced in S132 version 2.0.0-7…
- 25 Jan 2016

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
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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