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...
Hello,
I am developing a wearable device that utilises nRF51822. Right now, I am having a problem because when the wearable device is connected to a new phone, it needs...
Dears,
I am designing a notification application. I would like to know what if I want to support both of iOS and Android phone, which example code of ble_app_alert_notification...
im following ( devzone.nordicsemi.com/.../) step to "Setting up a project for debugging in Eclipse"
i run the debug config and click suspend
then get some problems
...
Hi guys, I just want to share my iBeacon code (over s110) developed on nrf51 dev board under ubuntu. It works fine but please feel free to improve it and share it!
I developed...
In some case sd_nvic_SystemReset() can not reset?
nrf51822 S110.
for example:
void main(void)
{
sd_nvic_SystemReset();
do something;
}
It can do somthing!!
So sd_nvic_SystemReset...
Hi,
I have just bought NRF51822 without any extra peripherals(no motherboard/DK). Just plain Module like below image.
I am supplying 3.3V to VDD and also Connected GND...
Hi all,
I find a problem when testing the ANCS program. It seems that after you connect the device with ANCS with an iphone, you cannot connect the device with another iphone...
I built the ble_app_proximity project and down load into my board, it can advertise and can connected by the lightblue and the nRF toolbox, But i sent the hex value of 0x02...
I can get right value when I chose QDEC_SAMPLEPER_SAMPLEPER_512us in slow application ,but in my application my max data rate is more than 2k, so the QDEC value is less than...
Hi,
I am currently working on a project with nRF52 preview DK.
In my system, an ECG chip is used to measure the heart rate and the data will be transferred back to nRF52...
Hi,
I have a number of products with nRF905 successfully deployed. Now, I am in a little struggle with a new one. The problem is the signal strength. The other products...
I'm trying to add a feature where my peripheral will temporarily trigger a Faster Connection Parameter for a period of time determined by an app_timer. However it seems that...
Hello Nordic Devzone.:
When studying the 8.0 BLE Central multilink example (s120 softdevice), I looked into the component relevant to button pressing interrupts, app_button...
How do I use the NRF51 or 52 to create a GATT server with read only service without requiring bonding? Basically I want to be able to provide more data than advertising allows...
I can not connect to one of my beacons, i need to reset its config, but HW way.
Can i reset it somehow?
It is nRF 51822 based, sensoro 4AA. I asked sensoro 3 days ago...
