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Failed to set MCUboot secondary to external flash. E: Failed to open flash area ID 2 (image 0 slot 1): -2, cannot continue 0

I have problem placing MCUboot secondary to external flash. I have been testing using nRF9160DK. Project compiles fine but device doesn't boot after flashing the firmware...
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0 replies

Started a few seconds ago
by mmade
Not Answered
nRF52833 SAADC issue 0

I have a photodiode, and under indoor lighting conditions, the reading on the oscilloscope is about 150mV. When I connect it to an Arduino Uno or Adafruit nRF52840 Sense,...
- development
- adc
- nRF52833
- hardware
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0 replies

Started 11 minutes ago
by Ziyao Zhou
Not Answered
How to delete the default child_image or configure it to my own cpunet project 0

mcu: nrf5340 board: nrf5340dk_nrf5340_cpuapp sdk: v2.6.1 When I configure CONFIG_BOARD_ENABLE_CPUNET to enable cpunet, there isn't an issue. However, when I configure...
14 views

0 replies

Started 1 hour ago
by kpi_xie
Not Answered
NRF Cloud coap payload size limitation too small 0

Hi, I am using NRF Cloud + coap comms to send data. However I have encountered payload size limitations that are not configurable via KConfig: sdk-nrf/subsys/net/lib/nrf_cloud...
12 views

0 replies

Started 1 hour ago
by AdrianT
Not Answered
nRF52805 BLE throughput sample 0

Hi Nordic Semiconductor Expert, I would like to measure the BLE throughput over nRF52805. Seeing BLE Throughput sample in nRF Connect SDK below, this SoC platform is...
- development
- nRF52805
- software
- nRF Connect SDK
- flash
- bluetooth le
- ram
33 views

0 replies

Started 2 hours ago
by Felipe1

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Latest guides

nRF5x: nRF52805 Specific PCB Guidelines

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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
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- 11 Jun 2020
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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

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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

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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…
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Bluetooth low energy: Mocking CoreBluetooth

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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…
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