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 succeeded to port s110 & sdk9 to s140 & sdk14 which was a problem before.
What we need to do now is to compare the performance of BLE devices with s110 & sdk9...
Hi, I am a beginner programmer and I have the next problem.
I am working with nRF52832 SDK 12.2 trying to send AT commands to an ESP8266. I send the AT commands byte by...
Hi all
According to errata 146 of the nRF52832 Rev 1 errata sheet V1.5, the LFRC oscillator has a frequency tolerance of 500ppm instead of 250ppm.
What are the consequences...
I have a bootloader compiled from SDK 14.0, and when I try to upgrade to 14.1, the new linker script (secure_dfu_ble_gcc_nrf52.ld) does not contain the UICR_BOOTLOADER memory...
Hi,
I'm using the nrf51822 and I want to merge Server and Client roles in one Peripheral device. I am already able to send a history of temperature and humidity measurements...
Sometimes when the method RequestData is called after receiving a notify on the characteristic, the Master Emulator seems to hang for a set amount of time before throwing...
Hi guys,
I have troubles with MCP 3.10.0.14 but the device (PCA10031) cannot be detected in my laptop (Win 7 enterprise). I actually checked it on other PCs and everything...
Hi, I have just taken on responsibility for maintaining some firmware written for the nRF24LE1. One file, radio.c, contains the copyright header:
/* Copyright (c) 2008...
Can a proxy node also be a client and server node (a controller node)?
What are the key differences between a server and a client in BLE mesh?
Can a server relay a packet...
Hi,
When I try to download code to my nRF52832 from Keil with the example "BLE ATT_MTU Throughput Example", I get this error: Error: Flash Download failed - "Cortex-M4...
i want make delay funtion by timer?
in the other MCU like PIC, AVR, stm. i find register that hold value counter and i cant set this value
for example:
timer 8 bit will...
Hello
Just to confirm:
is it OK to use 2-layer PCB with nRF52840?
In case a 4-layer is needed, when do you advise the use of a 4-layer pcb?
Basically we...
I am trying to build the project which I downloaded from github for the "A beginner's tutorial: Advertising" but I get errors for missing files when I try to build it both...
How the ble peripheral knows that ble central was disconnected?
if i trying to send continuously some packets to ble peripheral some times peripheral is not responding?
...
