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...
I am trying everything.
In sdk_config: #define UART_DEFAULT_CONFIG_HWFC 0
In the nrf_cli_uart.c I changed it to APP_UART_FLOW_CONTROL_DISABLED,
in the pca10040.h I...
Hi , I have 2 nrf51822 borads. One is with nRF5_SDK_12.3.0_d7731ad\examples\ble_central\ble_app_hrs_c and the other is with nRF5_SDK_12.3.0_d7731ad\examples\ble_peripheral...
I would like to use the ble_app_uart_c example, found here , to connect to a custom peripheral. What values should I change in the central device code in order to connect...
I know that BLE is not suitable for high-volume streaming.
So how do BLE earphones stream audio?
Does it use with bluetooth classic protocol?
And I coundn't monitor...
Hi,
I've one central and one peripheral devices. I'm trying to make a connection between them, perform a bonding process and finally add the peripheral id in the whitelist...
Hello All
I am developing BLE based home automation system using nRF51422 DK for my research activities. now i am planing to make separate PCB nRF51422 device alone. i...
Hi,
I'm trying to get the RSSI of incoming 802.15.4 packets using otLinkRawGetRssi() , but I need only RSSI from one specific device. I tried to use whitelist ( otLinkSetWhitelistEnabled...
Hi, I ran the example code ble_hrs_c in nrf51822 16KB RAM version and 32KB RAM version. The 16KB RAM version works fine. But in the 32 KB RAM version, peer_manager_init(true...
I modified the HTS app in the nRF toolbox to test adding other services like below.
In detail, I added mDICharacteristic field to save the information of System ID...
Hello,
I developed a Nordic board with 2450AT18B100 chipset antenna. I follow the design of Solar Powered Sensor Beacon.
infocenter.nordicsemi.com/index.jsp
I test...
Hi, I'm building a product with use this kit www.nordicsemi.com/.../nRF52-DK and I would like of know how write the firmware in others CIs to can use in my circuit board....
Hello,
I am currently working on project that uses BLE peripheral and BLE central for automatic sensor calibration on custom board. There is an initial connection where...
Helllo All,
I designed on custom board (nrf51822 and used 4 programming pins(swck,swi,gnd,vcc) but how to program/flash the soc?which segger i need to purchase?
Hi There,
I am
Using Linux as host platform
I'm able to successfully compile and download the example to the nrf52dk.
But I didn't understand how to debug the example...
I'd like to get peer address after the connection between nRF52 and other 6lowpan device is established. This address will be then used to create a TCP connection with some...
