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BLE USB powered OEM dongle with nRF51822 0

We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software. It would need to come complete with casing and the ability...
- usb dongle ble nrf51822
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Started over 10 years ago
by Chris
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related to threads 0

Hi all, i want to establish connection between two threads in cmsis-rtos, can i use 1) semaphore to do this? 2)message queue should be used or any other ipcs can be...
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Started over 10 years ago
by renu
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Data transfer rate by serialization 0

Hi, I have two CPU in our product. (STM32F2 and Nordic nrf51422). I use serialization function to link those two CPU(refer to ble_s110_serialization sample) But I find...

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Started over 10 years ago
by Elliot.Chao
Not Answered

Can't connect directly after I exit our app by back key on phone 0

Hi, My behavior is as follows Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic) Turn on my cell phone(Samsung Note3),scan my device...

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Started over 10 years ago
by Elliot.Chao
Not Answered

Why do I use twi_hw_master.c can run on 2.4G, Bluetooth can not? 0

Hello: I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...

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Started over 11 years ago
by bugg

Recent in Nordic blog

nRF51 current consumption for common scenarios

Stefan Birnir Sverrisson

The following is the estimated nRF51 current consumption during advertising with the DCDC disabled. Advertising 1: TX power: +4dBm adv interval: 20ms (minimum advertising interval in normal adversising…
- 14 Apr 2015
Building kernel for RPi2 with bluetooth_6lowpan for Raspbian

Håkon Alseth

Building kernel for RPi2 with bluetooth_6lowpan In this guide, you will have two choices: Cross-compilation build Native build Choose the one that fits your needs. Cross-compilation is…
- 9 Apr 2015
Debugging with Real Time Terminal

FormerMember

In SDK 12.0.0 or later, logging/debugging over RTT is built in to the logger module NRF_LOG. To enable logging over RTT, "check" the NRF_LOG_BACKEND_SERIAL_USES_RTT option in sdk_config.h in the configuration…
- 8 Apr 2015
Accessing the BLE mesh via the particle.io (spark.io) cloud

David Edwin

Hello. I was spending the last few days to implement an interface to access the BLE mesh via the Internet. The mesh consists of devices with LEDs, which then could be turned on and off in my browser.…
- 1 Apr 2015
How to use the latest Keil 5 for Keil 4 projects (.uvproj)

Stefan Birnir Sverrisson

As many have noticed, Keil 5 does not have native support for Keil 4 projects (project files ending with uvproj), it only has native support for Keil 5 projects (project files ending with uvprojx). However…
- 26 Mar 2015
The Google UriBeacon Project

Jason

Overview The UriBeacon design allows a Bluetooth Low Energy (BLE) device to periodically transmit an ADV packet that contains a URI. This technology enables any device, place or thing to become a beacon…
- 17 Mar 2015