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...
The project I am working on is to store the data acquired through BLE_uart_c and the data collected by the sensor on SDCard. I use FreeRTOS. The problem is described as follows...
Hello,
I have a device that use a NRF51822 with softdevice S110 V7.1.0 with the corresponding bootloader.
The new firmware I develop for this device is base on softdevice...
Hi,
I want to know which pin is signal input and which pin is signal out put for XL1 and XL2, XC1 and XC2.
The document just say they are analog inpu, no ohter introduction...
A cusomer wants to replace a serial communication with BLE. Host side is fixed with WL1837 Wifi-Bluetooth Module and Linux.
How can he implement the Nordic UART Example...
Hi! I have tested programs on three nrf52 DKs before, and when I connect this time, two of them show up and work well on my PC, while the other one just has all four LEDs...
In our Nordic application, we are sampling ADC data at 500Hz and sending the captured 5 sample data at 100Hz frequency to UART Mobile application over BLE.
Each sample is...
Hi,
I run the demo program "ble_app_hrs_freertos" and the ble can advertise, and my phone can find the device,but can not connect to it.
When I run demo program "ble_app_blinky...
Hello all,
I have NRF52840 and SDK versions from 12 to 15.
I want to implement the mesh network by which i can distribute the data to the beacons or devices on fixed interval...
OS in development environment ：Windows7 HARD :(Taiyo Yuden)EBSHSN Series Evaluation Board : Central / Peripherals CPU :(Nordic) nRF52832 / ARMR Cortex?-M4F 32 bit processor...
Hi there,
We're working with a Nordic nRF9160 DK and are trying to get access to the network in both Spain and in Ireland. In both cases, the iBasis SIM won't work in...
Good day,
When testing our own board with a module (BT840) for communication range, we obtained the following results: 1. removal for a distance of 1m: 55-70 kB / s 2. removal...
Dear Nordic,
I am using nrf52DK
I modified "examples\nfc\writable_ndef_msg"
I am using an ingenico POS payment terminal
The working flow is ;
pos sends apdu...
Hello,
I am working on implementing the USB HAL for the nRF52840 for Mbed-OS's upcoming USBDevice feature release. I am trying to get my implementation to pass all of Mbed...
I haven't been able to find documentation for the RTC or RTCs on the 9160. I want to know what the drift is and which RTC timers are available in various stages of sleep when...
