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 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...
Hi Nordic guys,
we are using uart for communication with another MCU and flow control is used.
Beside the uart communication itself we have out of band signals (on gpio...
Dear Nordic.
I have used to nrf51822 custom device. I confused it because of Uart RX data.
The master device sends blow raw data to client device(nrf51822 custom device...
I'm trying to compile a program on mbed for a BLE Nano, which uses the nRF51822. I've included the nRF51822 library by Team Nordic that's listed on mbed's library wizard and...
Hello
i am trying to upgrade from sdk 9 to sdk 10 .zip version but after installing when i open some examples it asking me to install arm cmsis 4.5. pack and device family...
Hi can anyone guide me in configuring the peripherals of nrf51822 before putting the chip into sleep? For example, timer, i/o pins, etc... which is not needed to reduce the...
Hello, please help me to find nRF52 datasheet, in which are recommended WLCSP footprint, and of course schematic drawing of this module. In your Dev Zone I found only QFN...
Hi,
I'm wondering what speed the NRF52832 radio is clocked at internally. is it the main 64MHz clock or 16MHz like the NRF51?
The reason I'm asking is that I would like...
I'm using nrf51 with 16kb memory
I know that there is a region for softdevice, region for the bootlader and region for the app code and a free region
my questions :...
