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9151 Certification question 0

Subject: nRF9151 – EU coverage of mfw 2.0.2 and antenna gain (Schréder Sense One) Dear Nordic I'm working on CE and RCM certification for Schréder's SENSE ONE smart-city...
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0 replies

Started 47 minutes ago
by fdixon0
Not Answered
nRF54L15 I2C target intermittently stops acknowledging until hard reset 0

We have an nRF54L15 (QFAA) board, acting as an I2C target ( TWIS30, P0.00/P0.01, address 0x42, 100 kHz ) for an ESP32-S3 through a TCA9406 level translator. Flow: Between...
19 views

0 replies

Started 1 hour ago
by MedAvancee
Not Answered
Schematic Review Request: nRF5340 and nPM1100 bluetooth microphone 0

Hello, I am requesting a schematic review of my bluetooth microphone system. I've used the spec sheets as well as audio DK hardware reference material to design these schematics...
20 views

0 replies

Started 1 hour ago
by npwalker
Not Answered
Multiple soldering issues 0

We are seeing very high defect rate when installing this part on boards: insufficient solder, solder bridging. When we look at the pads under the microscope, we are seeing...
27 views

0 replies

Started 5 hours ago
by Loan Thai
Not Answered
nRF9151 puts wrong network in FPLMN 0

Hello, We have an issue. Our device is a custom board based on the nRF9151, and we use it in Latvia. Two network providers are available for our Onomondo SIM card: one supports...
- software
- lte-m
- nb-iot
- nRF9151
- production
33 views

0 replies

Started 10 hours ago
by Matiss

Recent in the DevZone 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
Sniffer application for OS X

RK

I've put up on Sourceforge, a Mac OSX application which interfaces with the Nordic BTLE sniffer software and has some of the functionality of the Windows application Nordic ships with that software package…
- 1 Oct 2014
Getting started with nRF51 development on Mac OS X

Eirik Midttun

Update: Since this blog was originally written the nrfjprog tool has been ported to OS X (now macOS). This means that the flash programming is much simpler, and it is simply a matter of following the documentation…
- 1 Sep 2014
Nordic nRF51 support in Em::Blocks (with softdevice integration)

EmBlocks

Em::Blocks supports now the nRF51 devices from Nordic. You can select in the new project wizard which device family (51422 or 51822) and if soft devices are needed or not. The templates for the softdevices…
- 17 Aug 2014