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,
I currently working with the nRF52832 chip on a custom board. The external clock is a 32MHz clock with +/- 10 ppm. When I use nrf_delay_us or nrf_delay_ms the delay...
Hi all,
I am using a C# application with the masteremulator dll to connect to a nRF51822 with S110 V8.0.0
I can bond with a new device, and communicate with it in a...
In developing the device, for very low battery consumption, I encountered a feature of the implementation Gazell (ESB) protocol.
When I send a packet from the DEVICE (PTX...
Hello,
I am a little bit confused when reading in NRF52 spec that a NVM page is 4KB while block size is 512B. Usually an NVM memory is composed of block made of pages,...
Hi,
I am testing github.com/.../nRF52-fds-example
I am on nrf52832 with sdk 12.2.0 .
I can't seem to make it work.
What i have done:
Separated FDS stuff to separate...
Hi all,
I am trying use the SAADC in blocking mode inside a RTC I am currently using
The issues comes from the example
saadc_blocking_simple
the ADC always give...
I guess this has been mentioned/asked before but you should really do something to enforce the full chip part-numbers to be listed at distributors.
For example, for an...
(Maybe this isn't an ideal place for issues with your web site, but I could see no better one.)
There is a technical non-conformance in your nordicsemi.com domain. In practice...
I've been testing my application and am having an issue opening MasterEmulator sometimes. I need to reseat the nfr51 dongle to clear out the errors I am seeing below. Any...
Hi,
I get error NRF_ERROR_INVALID_PARAM or error 0x12 from sd_ble_gap_connect in central.
I even changed peer_addr.type to 0 (BLE_GAP_ADDR_TYPE_PUBLIC).
When scanning find...
Hi, I'm trying to use an MDBT40 based board as a sniffer using the NRF sniffer firmware. I'm guessing I just need UART -> USB to talk to the chip, so I've hooked it up to...
Hi,
I am trying to figure out the best way to save power on the nrf52. I need to connect with ble about two times per day. The ble should 'woken up' by an accelerator ...
How can I flash both the dfu bootloader and an application, and have the application run after the flash?
As soon as I flash the bootloader, it kicks in doesn't fire the...
Hi,
While updating from the antique NRF51 SDK8.1.0 to the newer SDK 12.2.0, I came across a problem: Gcc crashed with:
c:\users\elm\documents\nordic\nrf5_sdk_12.2.0_f012efa...
Hi all,
i have some problem to use Timer0_IrQ.
i start first with a program that use a softdevice. After i want change this project with another that don't use it.
...