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 the ANCS from SDK9.0 ,SoftDevice8.0 and iOS8.1.3.
Every time when I run ANCS, SPI will often crash.and error codes is:NRF_ERROR_BUSY.
Don't know if...
Is there any extra requirements When a Android APP connect to my Ble Decice? I want connect to my Ble device(51822) by my Android APP(EZ-GUI Ground Station V3.208.208), But...
We have the bootloader working over serial at UART_BAUDRATE_BAUDRATE_Baud38400. We took a big leap and tried it at UART_BAUDRATE_BAUDRATE_Baud230400 and it failed. We will...
Dfu not working when i try to upload my custom made application second time.
nrf51422 sdk v8.0 and softdevice s110 on pca10028
the steps i used to do dfu are as
1)programed...
Dear all
I have some questions about nRF51822 bluetooth smart beacon kit, I read the User guide, but I can't get information about the following questions:
1、what is the...
I want to change bootloader start address BOOTLOADER_REGION_START to 0x33800 to store user data and DFU. But when I only change BOOTLOADER_REGION_START, my device can't work...
Dear Developerzone Board
Does the nRF51822 Sniffer just start with the conversion over all advertising channels or do I need to send a start command? Which command set...
The ENable pin on addition hardware component requires "floating" to power on, and drive low ( less than 1.25V) to turn off.
Unclear based on my understanding of the chipset...
Hello
Is there a way to stream data from one nRF51 device, to a second nRF51 and have the received data sent over UART to a host PC? Basically in my setup, I have a custom...
I'd like to understand why BLE_GAP_ADV_TYPE_ADV_IND is used while using a whitelist.
An example application that does this is the ble_app_proximity app. You'll see the...
Hi.
I need to use multiple SPI devices and I'm not sure which is the proper way to handle this, should I open/close each time the SPI port with different SS pin configurations...
Hi,
I wonder if nrf51822 has a clock inside it.
It doesn't need to be real clock
but It's important to me.
I store datas on flash and send it to the phone when it...
Greetings,
Kudos for implementing a no glitch version of PWM with and without using timeslot.
github.com/.../nrf_pwm_noglitch.c.
Could the reasoning for the following...
