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52833 DK seemingly has backwards LED configuration 0

Hello, I have a particularly weird problem that I can't figure out how to solve. I was using the 52833 DK for software development and the onboard leds were blinking perfectly...
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0 replies

Started 26 minutes ago
by Maxwell Windland
Not Answered
nRF9160 NB-IoT Connectivity Issue in Dammam (Saudi Arabia) 0

Hi, I am facing a strange NB-IoT connectivity issue with the nRF9160 in Dammam, Saudi Arabia. Setup SDK version: v2.5.0 Toolchain: nRF Connect for SDK VSCode...
30 views

0 replies

Started 1 hour ago
by Akbarhusain
Not Answered
nPM1300 - max. vbus prolonged periods 0

The spec. gives a 22V max for a limited amount of time. And max. 5.5V as recommended operating conditions. But I wonder, what will be "inbetween", e.g. 7V for hours? From...
41 views

0 replies

Started 12 hours ago
by Achim Kraus
Not Answered
bare-metal RADIO RX with a timeout 0

i working bare-metal, using HW registers directly.... no zephyr, no SDC.... i'm able to successfully receive packets through the RADIO RX path, but now want to add a timeout...
38 views

0 replies

Started 15 hours ago
by bios-bob
Not Answered
SHPHLD debounce when it's used as GPIO input 0

The nPM1304 datasheet shows: tshipToActive Duration SHPHLD pin must be held low to exit Ship or Hibernate mode: 96 (default) May we know if debounce is applied to the...
31 views

0 replies

Started 15 hours ago
by cyber_v1

Recent in the DevZone Blog

Writing BLE firmware with a few lines of code part 2

Nguyen Hoan Hoang

Second part of the series Writing Bluetooth LE firmware the easy way blog. This second part shows how to read and advertise the environment sensor data (BME280 using Motsai Neblina module and BME680 using…
- 3 Jan 2018
Intro to ShockBurst/Enhanced ShockBurst

Daniel Veilleux

The first generation of wireless PC accessories to achieve widespread success (the ones that shipped with a dongle in the box) adopted 2.4GHz radios because these radios offered the optimal trade-off between…
- 1 Jan 2018
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