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...
Hey folks,
Is there any dependence between the MBR and the SD version? The reason I ask is because we are working on a product that will be able to update the softdevice...
Hello,
I am using nrf52 for my project. i need to read sensor value for 20micro second in array. I need 10000 reading in array to check condition. but array size more than...
While migrating from 12.1 to 12.3 I noticed changes to nrf_drv_wdt_init; specifially the removal of uint64_t casts.
Why were these removed?
We use a 5 minute reload value...
I have trouble for downloading mobile app from Google play, since it is blocked in China. So... is there any official mirror site for download these apps ? Yes, we can find...
Hi,
This is a follow-on question to the following: link
I have similar questions and would like further clarification. The MBR and the SD are packaged/delivered together...
hi,
i have a issue with bluetooth stack. i have established connection with app to communication to send and receive the data.
due to link loss the connection, i have...
Hello Everyone,
This query regarding programming of board during mass manufacturing.
I am using nrf51822, S130, SDK11. I combined softdevice, bootloader, and application...
Hi, I have some question about wiredUART and USB to UART
I'm using nrf51822+BLE400.
Is there any difference UART communication between using USB to UART
and wiring...
In order to reduce the R&D lead-time, I am trying to use ARM mbed online compiler to build nRF51822 project. I know the mbed Kit will do chip-erase on nRF silicon, so I guess...
Hello,
I am trying to interface bme280 with pca10040. I am using sdk12.2.2 and referring twi_sensor.
I am able to make read function and it works as expected. I am facing...
I am generating a pwm signal in pin no:21 of nordic nrf51422 board. i connect this pin to pin no:24 using a wire in the same board and want to count only rising pulse edges...
