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,
I was downloading a project to the flash memory using J-Link SDK and I am having this messsage:
JLink info: ------------ DLL: V6.80a, compiled May 29 2020 16:27...
Hi,
I tried connecting the thingy91 out of the box and it was working fine, sending data to nrfCloud.
Now I tried to build the asset tracker application on my own and...
Hi All,
I am facing the issue with sleep current in nrf51822. initially i checked the sleep current 11uA. but after one hour it is increasing to up to 390 uA gradually....
Hi All,
I am currently designing a BLE module using nRF52840 chip which works with battery.
In the nRF52840 DK, it uses a Power Switch Driver ( SC728CSTRT ) from Semtech...
I want to add a button function to the ble_app_uart.
I don't need to use the functions of the BLE Button Module.
It's enough to just change the value of the variable when...
Hello,
I'm trying to develop a small module based around the nrf52832 chip, and I am trying to replicate the reference design and layout as closely as possible. One problem...
Hello,
I am updating my application from older SDK 15.0 to use SDK 17.0.
NRFX_NFCT_ENABLED NRFX_CLOCK_ENABLED are used to enable the files nrfx_nfct.c, nrfx_clock.c respectively...
Hello DevZone,
I am developing a system that has a SoftDevice, UART bootloader, and application. The SoftDevice is S132 SoftDevice v6.1.1. The UART bootloader and application...
RTT seems to be mostly working using the viewer with the command:
JLinkRTTViewer -device nRF52840_xxAA
It seems I need to re-connect each time I start a debug from SES...
Hello Nordic
We are in the process of product development and at the moment we need a chip that transmits stereo audio to any BT headset. That it is possible to control...
I am using nRF52840 as a master to communicate with esp32. For esp32 i am using arduino ide and esp 32 slave library( available in library manager of arduino ide).
For nRF52840...
Hello,
I use nrf52832 with 65 kb RAM.
I can't understand why soft device takes about 30k RAM memory.
I see "reserved_ram" has 30k.
Can I change size for 20k for...
We're using the nRF52840 on a battery-powered device that requires very low power consumption, both in run mode and also in the Cortex-M4 sleep / deep sleep modes. We've recently...
Hi, I'm trying to enable the entropy driver so that sys_csrand_get() will stop returning "Entropy reseed error". Does anyone know why it's grayed out? I have tried enabling...
