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PMIC buck1 output not getting generated completely 0

I have connected the correct 47K res for VSET1 but I am not getting 1.8V, instead I am getting 2.3V I am getting the correct output for BUCK2 as 3.3V I have checked the resistor...
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Started 18 minutes ago
by Megha Agarwal
Not Answered
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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Started 11 hours ago
by fdixon0
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...
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0 replies

Started 12 hours 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...
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Started 16 hours ago
by Loan Thai
Not Answered
Security Updates for nRF52840 beyond 2031 0

Hello, We are developing a product based on the nRF52840. According to the blog post nRF Connect SDK gets Long-term support with version 3.4.0 , NCS v3.4.0 declares the...
70 views

0 replies

Started 1 day ago
by Luzian

Recent in the DevZone Blog

Writing BLE firmware with a few lines of code

Nguyen Hoan Hoang

Writing a BLE firmware can now be done with a few lines of code. The code example bellow is all you need to write for a non-connectable BLE firmware that advertise a counter value every second in the…
- 29 Dec 2017
nrF52 Tutorial: ETM Instruction Trace with Keil MDK

Bob Boys

Hello I wrote a tutorial on using the nrF52 Development Kit with Keil MDK. www.keil.com/appnotes/docs/apnt_308.asp This document features essential debugging capabilities of the nrF52 series. ETM Instruction…
- 15 Dec 2017
One minute to understand BLE connection data package

viewtool

1.Profile During connection procedure of BLE, there are three packages: SCAN_REQ, SCAN_RSP 和 CONNECT_REQ。 SCAN_REQ： Scan request, issued by MASTER DEVICE, send to SLAVE DEVICE，sent by the Link Layer…
- 15 Dec 2017
One minute to understand BLE MTU data package

viewtool

1.Profile MTU: ATT Maximum Transmission Unit (MTU) is the maximum length of an ATT packet. The ATT MTU is defined by the L2CAP and can be anywhere between 23 and infinity. The implementation of the Bluetooth…
- 15 Dec 2017
Debugging on nrf52840 with GDB from CLI on linux

jfcamel

Today I tried to find the better ways to debug program on nRF52840 PDK from CLI on linux. The ways that I tried [Failed] openocd (both stlink and jlink) & gdb [Succeeded] JLink & JLinkGDBServer &…
- 14 Dec 2017
The KEY POINT of example "ble_app_uart"

QQ645116977

This article baed on "pca10040", nRF52832 example code path "examples/ble_peripheral/ble_app_uart" IMPORTANT!!!! board config file of this example located in "components/boards/pca10040.h" and uart…
- 12 Dec 2017