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...
Hi,
Working with ads1220 which runs on SPI. There standard SPI pins - dout, din, sclk, drdy. In its datasheet there is written it is possible to merge dout with drdy to...
How to upload code to nrf52840 using arduino or usb2ttl as I have ms288fv2 help me guys or suggest me the board using which I can upload to code to nrf52840 if and ms88sf2...
Hello:
I'm testing nrf9160's A-GPS function, and I find that an error of SUPL will be reported at runtime:
I use master branch of the nrf repository(nrf/samples/nrf9160...
I have a Windows 10 laptop (Acer Swift SF 514-52T) where I have installed the setup for nRF9160 from "nRF Connect for Desktop".
All steps followed.
I got some issues...
I've got my application wrapped in mcuboot for HTTP-based firmware updates which is working fine. In the past couple days I've enabled CONFIG_NVS using the code in zephyr...
Hello all, This is my first post on your DevZone. Setup details: nRF9160 DK Board: 0.8.3 nRF Connect SDK tag: 1.2.0 OS: Windows 10 Pro LTE Network: NB-IoT on B3 and B20, Operator...
Hello, I'm using nRF52811 and It works with 1.8 voltage on it's VCCs. Is it possible to use a micro SD? Should I use a voltage level translator (for example TXB0108)? I know...
Hello all,
I try to import Keil project into Eclipse with Makefile. I managed put all my source file to be compiled, and my include paths etc.. in my Makefile
In Keil...
Hi,
I am working on one application in which I want to sample ECG at 1000 samples per second continuously and battery value at 15 seconds interval. I am configuring two...
Hi,
I'm trying to connect my phone ober BLE with the nrf52840. The first x attemps always work (connect, disconnect, connect, disconnect, ...) but after some time no further...
Hello guys,
I`m pretty new in socket programing, I have a question , is there any way to trigger an event for a file descriptor that is used in poll() function ?
For example...
Hello DevZone,
Recently I've been testing connecting multiple servers to one client and fiddling around with some settings regarding timing and packet size.
In the following...
Hi everyone,
Recently, I have bought two nRf52 DK, and I want to test the latency between central and peripheral in 2Mbps.
Can someone give me some suggestions about where...
I develop BLE Beacon device using nRF52832. I want to set the device name by combining "XXXX" and the lower 3byte of MAC Address. "XXXX" is used to recognize it as a company...
Hi,
I have a modified template of the ble_app_template example from sdk 15 NRF58240-dk pca 10056 s140.
I have written a custom function as per this tutorial : https:/...
