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...
I've searched for enabling notification, but there are some points that I can't understand.
GATT characteristic attributes and characteristic cccd values are dedicated...
Hello,
When I check RESETREAS, I have some reboot reasons rised from software error (SREQ).
I know that these errors are not catched in the app_error_handler because...
I am using ARM-GCC (version 6.2 2016q4) toolchain and make command to compile example code.
I have updated my compiler installation path in Makefile.Windows as well.
...
Hi,
I am struggling with the Ublox EVA7M with nRF52 on i2c and wonder if anyone can share a sample code of connecting a GPS to the nRF52.
I am unable to make the twi work...
Hello
i have Nrf52840 boards.
is this possible that one device can play both role (Broadcast + Central) at the same time.
DO you have example code or any material regarding...
I'm trying to transmit from 52832 （slave） to 51822 (host) as fast as possible, so I set MIN_CONNECTION_INTERVAL=7.5ms and MAX_CONNECTION_INTERVAL=10ms . Then the device couldn...
Hello ,
I have been testing some programmes on the nrf51 chip which is on the development board . However now I'm looking into programming multiple nrf51 chips so how can...
Hi,
I was trying to add buttonless DFU service along with NUS service. I used SDK v11. Taken the example ble_app_hrs, s132_with_dfu. And added my existing NUS service....
In my application when I disable NRF_LOG_ENABLED , HardFault_Handler() is getting called. To debug this issue I defined a HardFault_Handler() in my code and inserted a break...
Good afternoon all,
We have seen something with nrf51822 a little bit unusual that we can't explain and that maybe some of you have already experienced.
In main loop...
hi everyone.I have a question about the bootloader SDK11.0 ,I download the bootloader engineering modified to nrf51822 board, the nrf51822 can be advertising, but when I upgrade...
Those vias are not there to provide fixation but proper grounding, right? Because I just connected them all to GND.
Would be embarrassing if they shouldn't.
Hi,
Assume the internal FET(s) that bucks the voltage down for the DC/DC got stuck on. I would like to calculate the current through the DC/DC inductor when it reaches...
