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,
Can anyone tell me if it possible to have one peripheral device connected to 2 central devices ? I am using S132 softdevice with nRF52832 board.
Thank you !
nrf51connect.pcapng nrf52disconnect.pcapng Hi i m using pi3 with bluez and the gatttool i can easy connect to the Adafruit Feather M0 with a nrf51 as bluetooth module but...
Hello,
my program should do the following:
Collect sensor data
Initialize SD and start advertising
After a timeout or after a successful data connection it...
Hi, Nordic
I want to change usb in/out packet size after hal_usb_init().
as I know, it should make one report descriptor and update.
But I can not see similar demo...
My latest assignment is adding NFC functionality to the device (the very same device that I had trouble with DFU on). Adding the functionality was easy enough but I'm having...
I have seen this topic:
devzone.nordicsemi.com/.../
and a few others, in an attempt to visualize the RAM usage of my project. I currently use GNU ARM Embedded (gcc)...
Please clarify the radio state diagram for the nRF52: it shows a black dot between TXIDLE and RXIDLE states, having arrows from TXIDLE or RXIDLE leading apparently back to...
Hi guys!
I wanted to ask that can we use an external flash(connected via SPI/I2C interface to the mcu) instead of internal flash for storing downloaded image(s)?...
Background: We use NRF52 chip along with SDK 12.1.0. Since we have a few components of firmware (i.e. secure DFU settings, secure DFU , application, Softdevice) that go into...
The aim is to use the nRF51822 chip beside the application processor and to run the soft device S130 in it but as I saw, the newest SDK v12 supports only S132 Connectivity...
I am trying to update my S132v2.0.1 devices over the air to S132v3.0.0 and am getting no bootup, even after swapping dfu_dual_bank.c from the answer below.
devzone.nordicsemi...
I am studying this tutorial: nRF52 Online Power Profiler . I know this tutorial basically related to the ble_app_pwr_profiling example in the SDK: Power Profiling Application...
Hi, Nordic
I know pipe0 and pipe1 are be enabled on nRF24LU1 nRFgo SDK example for default PRX.
Now I only to enable pipe0, disable pipe1.
First, I use this...
Hi, Nordic engineer
nRF52832 as ESB PTX, nRF24LU1 as ESB PRX
same channel, crc, and match address and pipes, but from nRF52832 uart log, ESB TX fail event always show...
I'm using an nRF52 (SDK11.0.0, s132) and am able to generate a hex and axf via Keil/uVision. It uploads and works just fine using a Segger J-Link. I want to try some lower...
