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 am trying to measure the ADC on all 8 ADC pins of the nRF52 on the PCA10040. I'm noticing quite large amount on noise on floating lines (up to 0.6V). However my biggest...
We have a device with a main MCU connected to a NRF52832 for BLE communication. Our device have Battery, Heartrate and a custom service. The first implementation used a Sparkfun...
I am trying to decide what Nordic solutions would best support the application throughput requirements seen below. Distance requirements are low (1 meter each link).
...
Hi there,
I have nRF52840-Preview-DK eval board. I have downloaded the “SDK 13.1.0”. I was trying out the power management example under the folder “..\nRF5-SDK_copy\nRF5...
The 51822 PS mentions a "Nordic Trace Buffer" but doesn't seem to elaborate. I assume this is similar to the Cortex Micro Trace Buffer? Is there any more documentation available...
Hi I'm looking forward to hear if I could program an nRf51822 QFAA without using the development kit/board. The chip I have currently is a N51822- S4AT, from Wireless Tag...
I recently purchased a Rigado BMD-350 eval board (nrf52832) and am trying to use it for creating a simple ble remote project. I am kind of lost.
As I look through the heart...
I'm testing with pca10028, ASCS(SDK11.0.0) example and iphone.
But pca10028 does not piar after deleting piaring information in iphone.
"[DM]: !!! Bond/key refresh ...
Hi Nordic developers can someone provide me an example for a simple serial application for nrf51822 BLE?
I have tried uploading the application using Arduino ide and blackmagic...
Hi,
I am trying to develop a custom board using NFR52832 which involves writing data to a NAND flash.
To download data from NAND to the pc, a ftdi cable (C232hm) is used...
Hello,
I'm implementing a custom service and followed the tutorial here . I added a second characteristic by adding its own char_b_init function, creating a CHAR_B_UUID...
Once I call sd_ble_gatts_hvx() while ble connection handle is invalid(BLE_CONN_HANDLE_INVALID), I can never update notification value using sd_ble_gatts_hvx() though function...
Hi,
We would like to pass radio certifications and our lab is asking for different tests modes (TX/RX continuous, waves etc ...) regarding BLE and NFC.
Regarding BLE,...
