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...
Dear Nordic Support Team,
I’ve bought an evaluation kit here : http://t-yuden.com/ut/product/category/module/EYSHJNZWZ.html
and i would like to program the chip, so i...
Hi,
I am scanning from my nRF52840 and connects to one peripheral and i have written code to get it's Device information(DIS) and i stored all these information in some...
I'm having trouble maintaining a connection between my nRF52832 and Raspberry Pi. I followed the step by step guide (making sure to use the correct IOT SDK for my board),...
I am gaining my expertise in Nordic. After learning from tutorials. most of the tutorials mentions to use master control panel. But I cannot able to scan using master control...
Hi!
I am currently developing an application for nrf52832 and am using the uart module with retarget.c for output over uart via printf().
Now a few days ago I added...
Hello everyone ,
We have done advertising and scanning(both in a single firmware) on nrf51822 using QFAC chip. using SDK 12. Now we want to switch our code to NRF51822 QFAA...
hi
I am trying to add Manufacturer specific data
ble_advdata_manuf_data_t manuf_data; // Variable to hold manufacturer specific data uint8_t data[] = "A"; // Our data...
Hi, when I provisioned the client and servers via provisioner to create mesh network, I can receive RSSI value from provisionee ,but after the provisionee disconnect to power...
I have a nRF51 DK. I am trying to sniff the Bluetooth connection between the smartphone and watch at Window 7.
Installed:
Wireshark 1.10.7
Sniffer (tried ble-sniffer_nRF51822_1...
The sdk_config.h configuration file for ble_app_hrs_freertos example contains following definition:
#define NRFX_GPIOTE_CONFIG_NUM_OF_LOW_POWER_EVENTS 1
This macro should...
HI,
I have connected to one peripheral from my central and retrieved all the services(For example i need Device Information Service, got all the characteristic values) and...
dear sir,
i have a nRF52DK board,
i want to power on the board but not glowing LED and my laptop not detect the board while connect with laptop,
please given solution...
Hi
Env: keil and no SD
I am doing the first steps on keil + nordic nrf51822. I started by opening the Blinky app (C:\Keil_v5\ARM\PACK\NordicSemiconductor\nRF_Examples...
Hi there ,
i am developing a biomedical recorder which needs to continuously transmit the recorded data ,
data rate is very low (9.6 Kbit/s to 32Kbit/s) but i have a very...
