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'm trying to implement the OTA DFU function in my custom designed board. I'm using NRF52 series. I started by flashing the flash I uploaded the softdevice132 v2 via...
I have a few nrf51822 modules powered up but why do they all have a uuid of 0x1234?
They are programmed for UART services (they just spit the data from an android app when...
Hi All,
I've got a nRF51-DK development kit, and I just compiled and downloaded my first example to it through Keil uVision. Problem is that nothing happens when the program...
what does the LG-MEB 300 mouse use for data streaming? Classic Bluetooth or BLE?
Can BLE support mouse data streaming rate? What data rate does BLE support?
Just curiou...
Hello everyone,
I'm usually on the cutting edge with Ubuntu Linux. I upgrade my development box frequently, because I like the precompiled binaries in the Ubuntu repository...
Hi all,
I have some questions regarding the use of FDS. I understand that every record is assigned a key and file ID. I manage to get basic delete, read and write functions...
Hello,
I'm starting to work with a new ADC that I need to drive with an external 4MHz clock that I will need to drive with my MCU. Is there a way to set up a pin to passively...
Hello ,I wrote a program that allows to control the LIS2DE12 accelerometer but I am reviewing a fixed result which is always X = 72, Y = 33, Z = 32, I find out where the problem...
In my nRF52832 base-board, I don't have any leds and buttons.
I use Keil v5 and I used ble_app_uart_pca10040_s132.
I copied pca10040.h as custom_board.h and replaced BOARD_PCA10040...
I Cant clear the RTC2 after a Compare Match. First Compare is Triggered. After that no more Interrupt is generated. Code:
static const nrf_drv_rtc_t rtc = NRF_DRV_RTC_INSTANCE...
I debugged with pca10028, but J-Link can not recognize manufacturer.
If selected cortex-M0, it works but is very inconvenient.
How can I solve this problem?
Hello,
i am meeting problem to program the SoftDevice using an example project in Keil for nrf52832.
i have tested the development kit setup use Blinky Example . it is...
Hi,
We are using sdk12.3.0 sd130 v2 on nRF51822(32KRAM version). We want one central to connect to at least 3 peripherals. We are starting with ble_app_hrs example at the...
Configuration:
nRF5_SDK_13.0.0_04a0bfd
PCA10040
ARMGCC
Background:
I have created custom service based on ble_nus service. I have created 4 characteristics with notify...
