Hi guys,
In the iot sdk in mqtt.h there are typdefs for "mqtt_topic_t " and "mqtt_subscription_list_t".
I'm trying to set several topics (5) and subscribe to them.
...
Hi,
I am using nrf5832 that is running a coap server example.
I have modified it a little so it reads sensor data via i2c and returns the data using the coap callback.
...
Hi,
I would like to receive some suggestion about finding a CHEAP smartwatch / wristband already available that has these minimal features: BLE (with SDK / GATT profiles...
Compiled with Keil4 software compilation and C of the mixed program, the error is:Branch offset 0x00000228 out of range of 16-bit Thumb branch, but offset encodable in 32...
Hi,
I am currently working on a prototype with Silicon Labs Thunderboard sense. I am looking for a replacement product that has NRF BLE module. All I need is a BLE module...
I would like to hide BLE advertising from normal BLE devices.
And only be able to see such advertising with dedicated scanner.
I was thinking of changing access address...
Im making a project were i have two robots each one with a device connected with a mobile phone. But at same time i want that, when they are near each other they exchange...
What is the best way to transfer an array of individual values using the BLE stack?
Is it by appending all the values into one blob and sticking it into a characteristic...
I'm using
HID keyboard example (SDK 7.2), Softdevice S110 7.1 , IAR for ARM 7.1, J-Link,
on my custom board (with NordicSemi nRF51822-QFAA MCU).
/***************...
I am designing a product with the nrf8002 chip and have a question on Power consumption. Lets say I leave all the default ratio's alone and use a CR1620 battery which has...
How can I read the Bluetooth clock (piconet) which is synchronized between the master/slaves in the piconet ? I need a constant (micro second accuracy) time from when I do...
Hello,
Is it possible to know the preamble , data format and the CRC calculation to interface a radio system ( GFSK Manchester) with NRF905 ?
Thank you
I'm wondering if the port and pin function can be used together to configure a set of pins.
For _port_dir_set, I assume it sets the whole port to the designated direction...
Hey i was using the code from developer.mbed.org/.../main.cpp
I am using this chip ( http://i.imgur.com/q8EM4uq.jpg ), it is nordic nRF51822 but i exactly do not know its...
I am using spi_master.c for spi communication with nRF51822EK.
And i had sent and recieved data packet successfully for 1st time with spi_master_send_recv(). When i sending...
Hi All,
I can compile and flash examples with my nrf51822 SDK on linux. I would like to use Code::Blocks as IDE.
Code::Blocks is transparent to run debugger. I try to...
I bought a blend micro to learn about arduino and BLE. I am a complete newbie in this field.
This is what I want to make happen,
I want to install my Blend Micro inside...
Hi All,
I am new in nrf51 development. I have a nRF51-DK kit. I would like to make development in Linux (Debian) only.
I found a lot of documents and I can compile examples...
My nRF Studio can not get nRF6130 board info,just show "Boards connected:".
But I can download fw to nRF51822 chip on the nRF6310 board.
The Application "ble_app_hrs" is...
What is the cleanest way to expose a dynamic (non-fixed amount of entries) through BLE?
One way I thought of is to create a service for a single table entry and go through...
Hi all,
I have an nRF-DK (the new one that's mbed compatible: developer.mbed.org/.../)
I have managed to completely brick it by copying the wrong file onto the BOOTLOADER...
Have tried to use an external interrupt coding.
/*------------------------------------------------------------------------------------------------------------*/
#define...