Nordic DevZone

Recent and unreplied - Help your fellow developer and earn points!

Not Answered
SPI Multiple Masters 0

Hello, I am tryong to use to masters to communicate with two accelerometers. Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
- spi
- multiple master and slave
2680 views

0 replies

Started over 10 years ago
by Milad
Not Answered

Power-fail NVMC protection 0

In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...

623 views

0 replies

Started over 10 years ago
by jcowfer
Not Answered
Unable to check anything on hyperterminal or teraterm. How to check it? 0

Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
769 views

0 replies

Started over 10 years ago
by Hamza
Not Answered

nrf905 Data loss 0

Hi,my friend, Now,I use nrf905.Situation is as follows: I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data. 1.The Product host is to use the stick...

524 views

0 replies

Started over 10 years ago
by Jesen
Not Answered
RedBear Blend Micro use pairing passkey 0

Hi, I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device. Is it possible? Static passkey...
- ble blend passkey io
756 views

0 replies

Started over 10 years ago
by isi

Recent in Nordic 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