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...
Hi everyone,
I have moved from the cable connection firmware upgrade to the OTA-DFU using the nRF52 dev kit. I am able to download the firmware from nordic's website and...
51822/S130/SDK v12
I was testing prepared Write from iOS to 51822. Write Req/CMD can succeed, but Prepared Write failed with 'Unknown error code 0x82'.
What this 0x82...
I am design a very compact board for my project and running out of space. For this I am planning to replace two DCDC inductors with a single one. Is it possible to do this...
I am communicating with the nrf8001 via SPI, from an HCS08 MCU. First thing I receive:
0x01 0x04 0x81 0x02 0x00 0x02
This makes sense, it tells me it is in setup state...
In my design I am planning to power up some sensors from nRF52832 GPIOs. Is it possible to maintain the GPIO state high during the low power mode of MCU?
Please guide here...
Hello,
I have been testing the BLE multilink examples for the s120 softdevice. More specifically, I have tested the ble_app_hrs_c example in the experimental s120 folder...
Is it possible to configure the parameters of the advertising library (eg. SDK v12.3.0 using SD130 v2.0.1) so that my peripheral device (eg. nRF51) changes after a limited...
I've configured peripheral for broadcast, but why can't IPHONE search it? I don't need APP development. I just want the phone to show it. Is there any special requirement...
Hi,
I was considering the following scenario and didn't find an answer. Could you please help?
Assumption:
There in a BLE peripheral (e.g. nRF52) and central ...
Im using sdk 14.0 and s132 When i add flashwrite codes to my project which has bluetooth communication ,it does not work I wanna send data to flash and i wanna read/write...
I do not want to use SoftDevice, I want to write new application from application to Code Area(0x00 - 0x80000).
Can I use fds without using SoftDevice?
Also, Is there...
Hello,
I am using SDK 12.2.0 with s130_nrf51_2.0.1 softdevice and running ble_app_hrs example.
My FLASH and RAM settings are:
FLASH (rx) : ORIGIN = 0x1b000, LENGTH...
Hello,
I am using sdk12.2.2 and pca10040. I want that my beacon advertises continuously for 10 sec and then it stops advertising for 5 secs. Do I need to use rtc for this...
As i am migrating to 52 and tuning the ble app, i realized by reading many posts here that:
external HF xtal is not recommended
external LF xtal can be replaced by...
Hi Nordic,
I am trying to implement DFU-OTA in beacon. For that I am trying to make beacon connectable. My requirement is to work the beacon in non-connectable mode during...
