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Number of UARTs available for 2AB (nRF53840) 0

Hi, I would like to know Number of UARTs available for Murata 2AB. According to the 2AB datasheet, there is one UART, but the nRF52340 datasheet shows two UARTs. Can 2AB...
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0 replies

Started 18 minutes ago
by Tsutsumi
Not Answered
[nRF7002DK] HTTPS request Failed with errno: 22 0

Hi! Im using nRF7002DK for start HTTPS connection. I started with the example from Lession 5 exercise 2 in the nRF dev academy. lession5 exercise 2 I changed the...
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0 replies

Started 39 minutes ago
by DDYD1
Not Answered
nrf5340 occasionally stuck on BT_CONN_STATE_DISCONNECTING 0

Hello, We have an nrf5340 custom board and during frequent BLE connections/disconnections sometimes it seems the netcore gets stuck. We are connecting to an iOS app and...
23 views

0 replies

Started 3 hours ago
by tonyh
Not Answered
Device firmware update (DFU) over NFC 0

Hi for DFU is bluetooth used by default. Your DFU app suports only using bluetooth to do a DFU. Do you have any tools to do a DFU over NFC? Or do I have to write a tool...
24 views

0 replies

Started 3 hours ago
by Marelcom
Not Answered
Unresponsive device when flashing after disabling APPPROTECT 0

Hi, I'm developing on the current setup: nRF52840 Soft Device 140 version 7.2.0 SDK 17.1.0 MDK: 8.51 Segger v4.52c Secure bootloader (DFU) I don't define...
25 views

0 replies

Started 4 hours ago
by Federico

Recent in Nordic blog

Weird issue with pyserial flow control

Eirik Midttun

EDIT: It seems less weird now. See You will never guess how JLink deals with UART flow control for the full story. Working on some Python code to control nRF51 and nrF52 targets I encountered a strange…
- 29 Jan 2016
Comparing compilers/IDEs for development with nRF5x series devices

Michael Dietz

#Introduction All compilers ARE NOT created equal. Given the same c code, different compilers will generate machine code with varying performance & size. Generally the more efficient machine code (uses…
- 28 Jan 2016
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

Latest guides

nRF5x: nRF52805 Specific PCB Guidelines

Andreas

This guide will cover the specific areas that must be paid extra attention to when designing a PCB for nRF52805. It is intended as a nRF52805 specific addition to the General PCB design guidelines for…
- 18 Jun 2020
Getting Started: Developing for the nRF52805 with nRF5 SDK

bjorn-spockeli

Introduction The nRF52805 SoC is a low-cost member of the nRF52 Series with a subset of the features of the nRF52811 and nRF52810 SoCs. As the nRF52805 has a feature subset of the nRF52810/11 SoCs, which…
- 11 Jun 2020
nRF5x: nRF52832 Specific PCB Guidelines

Andreas

This guide will cover the specific areas that must be paid extra attention to when designing a PCB for nRF52832. It is intended as a nRF52832 specific addition to the General PCB design guidelines for…
- 10 Jun 2020
Hardware design, RF test and coverage: iBasis eSIM International Coverage Update

Brian Kim

Since Nordic Semiconductor announced that it has partnered with one of the world’s largest international cellular carriers, iBASIS, to use nRF9160 System-in-Package (SiP) module and to include an iBasis…
- 4 Jun 2020
Getting started: Getting NB-IoT Demo running on Thingy:91

Christian Kurz

The Nordic Thingy:91 is a cellular IoT prototyping platform. It is based on the nRF9160 System-in-Package (SiP). The nRF9160 has an integrated modem that supports both LTE-M and NB-IoT. The factory programmed…
- 29 May 2020
Bluetooth low energy: Mocking CoreBluetooth

Aleksander Nowakowski

CoreBluetooth is the native iOS framework to communicate with Bluetooth-enabled Low Power (LE) devices, except iBeacons (which require CoreLocation) and HomeKit devices. It is easy to start with, if one…
- 9 Mar 2020