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nRF51822 USB dongle help 0

Hi Guys, I have a MCU RTOS project. in Hardware board, builtin Nodic BLE chip over UART,RTOS BLE stack works fine. We also have a MCU RTOS Emulator based on Qemu,we...

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0 replies

Started over 9 years ago
by tommyhung
Not Answered
[iOS: pairing cancelled] BLE GAP disconnection no more handle since SDK 7.3.0 ? 0

Hello, I would like to have more info about canceling the pairing request on iPhone (thru the popup that asks if you want to pair with the device which is managed by iOS...
- nrf51822 pairing io
705 views

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Started over 9 years ago
by Sebastien
Not Answered

NRF51 TWI - i2c - Failing to read from device 0

Hello everyone, I'm severely struggling to perform a simple task. I must be missing a very simple answer and, I hope with your help that I resolve the issue. I am trying...

1430 views

0 replies

Started over 9 years ago
by Beau R.
Not Answered
IoT SDK connect with TWI(I2C) ?? 0

[Dev Env] nRF51 DK IoT SDK 0.8 IoT SoftDevice [Question] anybody help me. In Iot SDK can't access TWI interface? any Sample ?? [HardFault_Handler] ...
- i2c
- iot sdk
- twi
- iot
768 views

0 replies

Started over 9 years ago
by cucu
Not Answered

How to two ble devices connect with one android phone at same time? 0

if the issue can be worked ,how to do that with android source code? the 2 ble pure devices (not android phone) connect with a ble android phone. please check below, the...

614 views

0 replies

Started over 9 years ago
by whiteknight

Recent in Nordic 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

Latest guides

Software: Using a custom Secure Partition Manager with your application

Heidi

One of the samples available in the nRF Connect SDK is the Secure Partition Manager, which is required to run applications in the nonsecure domain of the CPU. The sample uses the SPM library available in…
- 12 Feb 2020
Getting Started : nRF Connect SDK Bluetooth Low Energy tutorial part 1: Custom Service in Peripheral role

haakonsh

Scope The goal of this tutorial is to set-up your own custom Bluetooth Low Energy service on an nRF5340 acting in a peripheral role. We will set up a new Bluetooth LE project from scratch. The finished…
- 11 Feb 2020
Mesh Networks: Mass Provisioning of Nordic BLE Mesh Nodes

Mark Q

Purpose When creating a mesh network with many nodes, it can take a while to provision each node, especially using PyACI. An alternative is to use a static provisioner that provisions the nodes automatically…
- 8 Feb 2020
Software and Protocols: Enabling and testing TLS in mqtt_simple

Daniel Veilleux

The MQ Telemetry Transport (MQTT) protocol is hugely popular in IoT because it is lightweight and versatile. In this post we will enable Transport Layer Security (TLS) in the mqtt_simple sample from the…
- 4 Feb 2020
Getting Started: Introduction to Nordic nRF5 SDK and Softdevice

Mihua

What is the difference between SDK and Softdevice? How can we select SDK and Softdevice versions? Do the SoC, SDK, and Softdevice have version compatibility problems? How can we understand the SDK directory…
- 15 Jan 2020
Software and Protocols: Automating nRF91 TLS credential management via serial port AT commands

Daniel Veilleux

I have spent a bit of time recently experimenting with different TLS credential configurations using nRF91-DKs. Eventually I got to the point where I wanted to do things like swap out the certificates…
- 10 Jan 2020