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...
Hello!
What version|tag|commit of MQTTSNGateway ( https://github.com/eclipse/paho.mqtt-sn.embedded-c ) do you use in Raspberry Pi image? Do you use special way to build...
I had the nrf52832 with BLE 4.2 running just fine with iOS 10.xx and Android phones.
iPhone would SCAN and connect and I could interact with the services on the hardware...
How to select nrf528332 UART clock source, how to make the serial port baud rate not change with temperature?When the baud rate is 9,600, the baud rate varies greatly with...
Hi,
I found this in the documentation for the Timer Library of the SDK 14.
' When app_timer_start() or app_timer_stop() are called, the timer operation is only queued...
I plan to use the flash device driver from Nordic (52840) in a Zephyr system. My plan is to use the <flash.h> api but it seams that this api is not available in a default...
Hello!
I'm trying to read data off of a commercial blood pressure monitor (Qardio arm) using an nrf51822 with the nrf51 SDK v10.0.0 as the central role (s120). I am able...
I am unable to build any example project of nrf sdk for mesh. I have added the SDK root in my global macros as : SDK_ROOT=C:\Nordic_Semi\nRF5_SDK_15.0.0_a53641a . And still...
I run the below code on nRF52DK and measure the power consumption of the chip (using nRF current measurement jumpers). The current consumption is 0.47 mA which is a lot just...
Hi,
I am using nRF52832 board. I want to connect serial mesh example with 'ble_app_uart' . I try to use the same method http://infocenter.nordicsemi.com/index.jsp?topic...
Hello,
I have 8 12-bit ADCs that produce 3300 samples per second, which I will send over a Bluetooth link, so I need a data rate of about 320 kbits/s. I was thinking of...
I get to the point of having the EP0SETUP event being generated, I check BMREQUEST and WVALUEH and see that it's a request for the device descriptor,this is on windows and...
Hi, I am using:
SDK v15 with nRF52840 chip running in soft device s140. I am Using Segger Embedded studio.
I want to update a application( Say Blinky) thorugh DFU. I perform...
Hi, I'm using Atomic_FIFO library and for my application I need to know the number of elements currently in the fifo, the library itself doesn't provide any functionality...
Hi,
The program will crash when spi transfer on NRF52810. The crash occurs in spim_xfer function, immediately after spim_int_enable function calling,
but if i remove the...
Hi,
nrf5_SDK_for_Mesh_v2.0.0_src
When complete provision a provisionee , provisioner will assign provisionee a mesh key and device key.
Now i want to know how to calculate...
