why use 50ms and 400ms connection interval for testing the maximum data throughput(2M,247byte payload)?
Because 50ms can only send a pdu , and 400ms can send up to 8 pdu...
Hi,
I am using Keil IDE to develop nRF51822 project.
in main(), the command line
APP_SCHED_INIT(APP_SCHED_MAX_EVT_SIZE, APP_SCHED_QUEUE_SIZE);
has Error : L6218E...
Hello,
I'm new to the Nordic SDK and I would like to ask you for help with implementation of PORT events for revision < 3 in "low power" mode instead of "high power" mode...
Hi Nordic,
I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos.
What I see:
central app crashes (hardfault...
Hello All,
I am new to this forum, I have been using nRF51822 for a while, and its a great little BLE chip. I am usinga BLE keyboard to send a key to iphone and I captured...
I WANT COMMUNICATION BETWEEN A NRF51422 AND NRF528321 BOARDS, IN WHICH IN NRF51422 BOARD I WILL MEASURE PWM COUNT(IT IS PHERIPHERAL) AND SEND IT TO NRF528321 BOARD WHICH IS...
Hi,
I've been working on a way to detect and prevent replay attacks when beacons are used for sensor data. This is mostly used for home automation sensors, where I have BLE...
Excuse me:
I'm porting other FreeRTOS projects to ble_app_hrs_freertos example In the directory nRF5_SDK_17.0.2_d674dde\examples\ble_peripheral\ble_app_hrs_freertos,I need...
Hello, I use nrf52810 custom board and icm42605 6 axis sensor with twi.
device address is 0x69, I tried read data reg 0x75 for read chipset id.
I think that sensor sent...
Hello community.
I am here to ask you about BLE services in a Mesh Network. I know how to implement both SDKs. However, I would like to know if there is a way to extend...
Hello,
I've been playing around with the nRF52840 DK board and I want to make what I've been working on, into a PCB. Following the link below I've got the Altium files...
Hi !
I'm doing some testing on mqtt with the nrf9160 DevKit.
So far, everything is working with TCP and TLS and I would like to use WSS. I started with WS but I can't...
Hello everyone I'm doing my first steps so as to get things right from the start with a device based on the nRF52833 chip. My setup: PC <USB> nRF52840-DK <JTAG> CustomBoard...
Hello,
I am having a problem using DFU using the android NRF connect app. I have two separate projects that use the OTA DFU. These two projects have the same DFU code...
Now I want to construct a mesh network in an intermittent environment. You know the device will power off and power on frequently, I need to store the communication statin...
Hello All,
I have referred the reference example code to suit my needs. Below is my code,
Code is stuck at waiting for event. Didn't get callback with oversamping of...
Excuse me:
The client made a keyboard with nrf51802.,It has been mass produced。The customer reported that the keyboard and MacBook were connected and bounding before opening...
Hi,
We have observed that in areas of poor lte connectivity, the client_inti() works well but the mqtt_connect() takes a couple of minutes and times out.
I need to change...
Hi,
I'm compiling a piece of code that uses USB CDC ACM from a .cpp file, and I stumbled on the compiler complaining about out of order initializers in app_usbd_cdc_acm_internal...
Hi,
I'm trying to use Zephyr's 'http_client' library in Asset Tracker V2. I have included 'net/http_client.h' in main.c and have set 'CONFIG_HTTP_CLIENT=y' in prj.conf....
Hi,
I want Windows PC to communicate with nRF52840 dongle over USB full speed.
Are there sample of Windows software(likes API) and nRF52840 dongle ?
I want to realize...
Hello,
What is the limitation of the total current we can source/sink at the same time in multiple pins for low Vdd?
I could find a similar question (and answer of 15mA...