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 configured the bootloader to preserve one page of data ( I configured #define DFU_APP_DATA_RESERVED 0x400 on the bootloader project
I also made the same thing with my...
Hey,
We got a problem when trying to figure out how to detect the custom services from Unity. We are trying to read data and afterwards to do some manipulations of objects...
I am trying to implement the following sequence, using SD s130 :
GATTS Queued Writes: Stack handled, one or more attributes require authorization (var #1)
First thing...
I started with programming my nrf52 dev kit board with the soft device (v2.0.0-7) programmed using nRFgo, and then bootloader (from dfu_dual_bank_ble example) programmed using...
setup, I have a 3.3 V battery divided down to the bandgap range using a 56k and 10k resistors, so the voltage at the ADC input is 3.3 * (10/66) = 0.5 V，but the fact is 0.498V...
When I run try to generate code for a simple Blood Pressure profile I get a run time error. I'm using Plugin 1.2 with Studio 1.0.2095. Any ideas on how to fix it?
1:25...
I'm putting out this scenario I don't understand, yet, to see if anyone else might have experienced the same thing.
I have a demo with a central and peripheral that bond...
Best Regards,
while messing around with nRF51822 S130, timeslot API and nRF Master Control Panel, we noticed that:
Issue : if a packet is formatted correctly, but the...
Best Regards,
I am developing a firmware version for nrf51822 based on Softdevice S130 (old v8.1) and Timeslot API.
Currently, I can freely transmit and receive packets...
I'm using the NUS service for a sensor design. It was working fine for me. I don't know what is changed, but I experiences the next problem.
When I connect my sensor using...
What is the RF Connector on NRF52 Preview DK? It looks like U.FL/IPEX/MHF but it does not have the central pin. I want to find a converter to SMA. Could you please suggest...
Hello,
I am currently working on a hard metal project involving Nordic product with Bluetooth.
I have to implement Bluetooth Smart for a bare metal project and I've already...
Hi,
I have an nRF51822-based peripheral with S110 softdevice, and it would be handy if I could nose around central's capabilities when it connects my device (I'd like to...
Hi,
At the moment I try to communicate with an external EEPROM. Writing to the EEPROM seems to work. But when reading back the written data, the program breaks... :-( ...
