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,
In our company we are using application "nRF Connect", in android platform. It works well, however when we try to use it on iOs platform the application...
Hello!
What version|tag|commit of MQTTSNGateway ( https://github.com/eclipse/paho.mqtt-sn.embedded-c ) do you use in Raspberry Pi image? Do you use special way to build...
I had the nrf52832 with BLE 4.2 running just fine with iOS 10.xx and Android phones.
iPhone would SCAN and connect and I could interact with the services on the hardware...
How to select nrf528332 UART clock source, how to make the serial port baud rate not change with temperature?When the baud rate is 9,600, the baud rate varies greatly with...
Hi,
I found this in the documentation for the Timer Library of the SDK 14.
' When app_timer_start() or app_timer_stop() are called, the timer operation is only queued...
I plan to use the flash device driver from Nordic (52840) in a Zephyr system. My plan is to use the <flash.h> api but it seams that this api is not available in a default...
Hello!
I'm trying to read data off of a commercial blood pressure monitor (Qardio arm) using an nrf51822 with the nrf51 SDK v10.0.0 as the central role (s120). I am able...
I am unable to build any example project of nrf sdk for mesh. I have added the SDK root in my global macros as : SDK_ROOT=C:\Nordic_Semi\nRF5_SDK_15.0.0_a53641a . And still...
I run the below code on nRF52DK and measure the power consumption of the chip (using nRF current measurement jumpers). The current consumption is 0.47 mA which is a lot just...
Hi,
I am using nRF52832 board. I want to connect serial mesh example with 'ble_app_uart' . I try to use the same method http://infocenter.nordicsemi.com/index.jsp?topic...
Hello,
I have 8 12-bit ADCs that produce 3300 samples per second, which I will send over a Bluetooth link, so I need a data rate of about 320 kbits/s. I was thinking of...
I get to the point of having the EP0SETUP event being generated, I check BMREQUEST and WVALUEH and see that it's a request for the device descriptor,this is on windows and...
Hi, I am using:
SDK v15 with nRF52840 chip running in soft device s140. I am Using Segger Embedded studio.
I want to update a application( Say Blinky) thorugh DFU. I perform...
Hi, I'm using Atomic_FIFO library and for my application I need to know the number of elements currently in the fifo, the library itself doesn't provide any functionality...
Hi,
The program will crash when spi transfer on NRF52810. The crash occurs in spim_xfer function, immediately after spim_int_enable function calling,
but if i remove the...
