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...
This piece of code appears in all IoT SDK examples:
eui48_t ipv6_medium_eui48;
err_code = ipv6_medium_eui48_get(m_ipv6_medium.ipv6_medium_instance_id,
&ipv6_medium_eui48...
Hi, I am using the nrf uart app to communicate with a smart phone and the NRF52. I am trying to detect whenever it is sent a value between 0 and 60 from the phone, and save...
Hi,
I'm working on nRF51822 with SDK 11.0.0 softdevice s130
I have an nRF module acting as central and smartphones (iOS and Android) acting as peripheral.
I tested...
Hello, what is the BLE max range w/out usin PCB antenna?
And what range ll be if i reducing the connection interval down to the minimum 7.5ms, set Tx power to +4dBm using...
I am using the nrf51822-QFAC-R in an application where the realization of the antenna is very challenging, and I expect to have an antenna |S11|=-1dB, with variations of the...
Hello, I want to clear things up a bit, all these concepts are starting to overwhelm me somehow. I want to know:
What can have UUID and handle? I understand that profiles...
I want to use ATMEGA 328 to send a packet over to the chip as follows:
SPDR = packet ;
Can some one kindly post what the content of this packat should be ?
is it possible...
hi,
i am working on FDS. here i am able to write number of records and also able to read them back.
but while updating i deleted one of the old record and writing new...
Hello,
I have some problems with UART communication with my nRF51 DK.
When I connect it through USB cable, all is ok. But when I connect pins: P0.09(TXD), P0.11(RXD) to...
Hello, i have a question.
Can nRF51822(s120) handle more than one connection at same time?
Let me explain: i have one server(nRF51), and two(or more) clients(nRF51 and mobile...
I've got an application that does a lot of nRF51822 GPIO wiggling and the timing needs to be controlled. In one spot I simply set a pin high then low like this:
nrf_gpio_cfg_output...
As shown in title, I am using the ubuntu 14.04 in virtualbox.
When I connect the Nordic 51822 development kit to my PC, I can only detect the serial number of this device...
keil uvision
Hello. I don't know how to get away from the warning "last line of file ends without a newline".
I added new line, but nothing change. It happened with my own...
Dear Sir,
Here I would like to disable the Adversting idle power down dynamically but in some situation it will fail.
The APP_ADV_TIMEOUT_IN_SECONDS is 180 seconds as...
I implemented a custom Bluetooth service on the nrf52_sdk similar the BLE LED project in the mbed site however when I copy the hex file and look at the debug output at the...
