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,
I am using NRF52832 Development board, SDK(nRF5_SDK_15.3.0_59ac345) from this i am using (/nRF5_SDK_15.3.0_59ac345 (4)/examples/ble_peripheral/ble_app_uart) example...
Is the nRF52 RSSI block of the RADIO module based on the entire 2.4GHz ISM band, or can it be configured to only measure a given 1-2MHz band of interest? According to the...
I'm using the serial library for the first time. What are the advantages/disadvantages of using IRQ and DMA? How should FIFO queue and buffer sizes be chosen?
Hi,
I am using the following code to implement a millisecond timer read function. In main, while loop, I do nothing but run a 1ms delay and measure the time in mill second...
Hello, I'm a researcher.
I wanna use Bluetooth CTE(Constant Tone Extension) feature with 1-antenna TX + 1-antenna RX.
I have seen some articles that nRF52840 DK does...
I am using nRF52832 with SDK 16.0.0. I have a simple application that uses SAADC and BLE. It reads values from three channels AIN0, AIN2 and AIN4 and sends them via BLE every...
hi all,
we're developping an application to control the frequency and the duty cycle of a pwm signal throuth ble .
firstly we have built both the functionalities separatly...
So, this library in the SDK looks pretty much exactly what I'm looking for. basic data record storage functionality with a focus on safe record writing under battery power...
Hi, guys:
I'm configuring a custom board based on nRF52840. I configured it as a beacon and need to broadcast the advertising package with updated Major and Minor values...
Hi everyone
I want to try this sample but first I want to understand how it works, not about the code itself but theoretically how it works. The few things that I know is...
Hi,
I'm using devices I haven't developed but on the which I'd like to add functionalities. These devices are working as a small network using 2.4Ghz Nordic ESB protocol...
hi,
Currently we have 18 peripherals sending data to one central in multi link network with a time interval of 1 minute which is hard coded in all the peripherals. As per...
Hi everyone,
I have a BLE project and i added the Nordic UART Service to it. It compile without error or warnings but ble_advertising_init() return NRF_ERROR_INVALID_PARAMS...
