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...
Hello all,
In the proccess of migrating from arduino to SES IDE to work with the nrf52832 SOC and coming accros some of the examples in the SDK I'm strugglling to understand...
Hi,
We are using Jlink and nrfjprog to program the nRF52832 flash via SWD interface. We have a combined hex file which is about 512k and takes about 12 seconds to flash...
I am debugging my applications transitions to SYSTEM_OFF and back again. I am connected to the debugger so I am presumably testing with "emulated system off" which is just...
Hi all,
I wrote a nice library for using an offboard SPI flash chip and am now trying to port it to our master code which runs on freertos.. I wrote the library starting...
hello ,i am using sdk16 with nrf52852 DK i can be able to get time using that nrf calendar example. Now i want to sync up the mobile time with Dk every time i connect with...
Hello, i'm developing some boards with nRF24L01, everything was going fine, i was able to write and read payloads back and forth using modules mounted on 4 different hardwares...
Hi,
We were trying to bring up NB-IOT with a Jio SIM ( India). Seems it is able to connect to network, but no data connection. The sim vendor said to us we need to use ...
Hi all,
I cannot manage to get a proper System Off consumption with the nRF52840.
I use this setup, with devkits as the DUT (powered through "External Supply") :
...
Hi all,
In my current project I have 7 sensors, each hooked up to an own nrf52. I am polling between 8 and 28 byte(depending on operation mode) of data in 10ms intervals...
I created a copy of bluetooth/peripheral example and copied the nRF5340DK board files to make my custom board definitions. The guideby Øyvind A. Sandberg is really good here...
Hello All,
I'm interfacing a temperature sensor ds18b20 with nFR52840, which uses one wire protocol.
I'm using this repo https://github.com/DSysoletin/nrf52_ds18b20_example...
Hello! I wrote my own version of the bootloader for nFR52832. If I go into the loader, check the application and switch to its execution via nrf_bootloader_app_start (), then...
.\_build\nrf52840_xxaa.axf: Error: L6218E: Undefined symbol nrf_drv_clock_init (referred from main.o). .\_build\nrf52840_xxaa.axf: Error: L6218E: Undefined symbol nrf_drv_clock_lfclk_request...
I need to adjust the Flash and RAM to accommodate bootloader and Softdefice and read the tutorial at the link https://devzone.nordicsemi.com/nordic/short-range-guides/b/getting...
- I reviewed Android-nRF-Mesh-Library code, and i saw this logic: first, it used Provisioing Service, when provisioning is completed, it disconnected with nrf board, and then...