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,
I am using nRF51822 chip, I want to added a presentation format to declare a custom characteristic as an array of float (float [3]). According to developer.bluetooth...
I need to program the hex application image into the PCA10001 board. However, if I program the hex file generated by the Keil compiler using nRFStudio, the application does...
Hi,
I'm creating a new service based on the heart rate monitor example, but I'm having some trouble with it.
I implemented my own service, keeping it as similar to the...
when the peripheral and the central are connected,the peripheral will transmit data to the central ,how can i know if the data was transmitted successfully to the central...
Hi,
i want to use the adc, i use the code from here devzone.nordicsemi.com/.../is-there-an-example-code-for-using-pwm-on-the-nrf51822-with-a-softdevice and it works fine...
I'm using the MasterEmulator C# DLL.
I have a problem regarding discoverServices. If I understand this correctly discoverServices does not only return a list of all services...
Hi,
Following the AN 29 "nRF51 Development with GCC and Eclipse", I cannot import any project on Eclipse:
Indeed in the folder
C:\Nordic Semiconductor\nRF51 SDK_v4...
Hello!
I have a very simple setup with Arduino board (see attachment)
I wish to move to the nRF51822. I have the development kit and the nRF Go motherboard.
As I...
Hi,
Problems with j-link ... a recurrent topic, but ... I have recently uploaded to the J-Link Arm v4.76 from Segger and I could not either flash or debug from Keil. However...
The nRF51_reference manual describes the POWER register for the RADIO. Also that when the Power is turned on the Registers are reset. Other peripherals e.g. ECB have POWER...
The PPB sounds like a great piece of technology but i dont see much documentation on how a user can utilize it. For example i collect data from 3 sensors at different rates...
we want to develop Educational toys. the toys is communication with the IOS \ Android APP .when power on ,the toys start to sent the package with a frequency of 200 HZ, and...