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 love this part (the 51822) so far. Really. However, it really lacks in the debug support department.
Keil is a passable tool. Certainly not state of the art, but I can...
I used s110 softdevice 6.0.0 and 51822SDK 5.1.0 to develop a mouse.
It can pair with ios7.1.1 of ipone 4s, but can't pair with ios6 of iphone 5, I don't know why.
Do you...
I am experiencing an unusual and hard-to-reproduce issue with some custom PCBs containing a nRF51822-QFAA, S110 v5.2.1, with 10K external pulldown on SWDCLK, and a 10-pin...
Hi Nordic team,
I intend to use RFID function on the BLE technology. Related to your product, could I:
Use nRF51822 as the reader to detect the attention of some...
Hello, I am writing a fairly complex application using the Arduino SDK and an nRF8001. I have a lot of what I want to do working based on looking at the code in the different...
Hi All, I am a newbie....What is the starting point and procedure to develop nRF51822 working with Iphone or Android over HID protocol? Is there any example?
Is it too tough...
Hi,
In the API, the user gives the 'distance_us' parameter for the next requested slot. I have noticed that this is quite accurate (to the micro) and wanted to know if...
We are preparing to get BT qualification for our product, developed with the 6 stack now, however want to update to 7 when it is finally released. A comment from the testing...
Hi All.
I made my PCB with nRF51822 and achieved around 150 Feet range (LoS). My target is to calculate a approximate distance (in Feet) from RSSI values.
I did a field...
I want to set up the HRS demo, but in reverse. I want to use my PCA10001 board to receive heart rate data from a peripheral device (already working and tested on my PC). It...
Hi,
i have a problem in my Code, when ic look nrf_delay_us (1000) on the oscilloscope i can se a puls withe 1,3 us thats not accurate enough. What could be a reason for...
Hi,
I have created Eclipse project to compile nRF51 DFU loader. This is a pure Eclipse project, no makfile. It has compile configurations for combination of Single/Dual...
Hi,
I am looking to build a beaon product based on nRF51822. There are several kits available shown below. Which kit should I pick to start the hardware design and firmware...
What is the best way to minimize transfer in progress errors when trying to send ANT messages? I am using the S310 stack on an nRF51422. I have a busy ANT channel that is...
Hello,
I am using nrf51822 evaluation kit with ble_lbs (Led button sample) profile, I need the USB dongle source code for ble_lbs (Led button sample) profile because I...
