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 have 2 Channels with SAADC taking samples. They are configured to respond to BLE characteristics that have read and notify properties, each channel has its own characteristic...
Hi,
As in the Product Specification of nRF52, pin number 9 and 10 are configured as NFC pins. However, this setup is conflicted with our pin mapping for other sensors in...
I am trying to store a small amount of data on the nRF52832 with the FDS module.
I followed the following code found in another question:
devzone.nordicsemi.com/.../...
Hi,
We are currently migrating our codebase from SDK 13 to SDK 14 for NRF52832 based board. One major difference we see is that SPI transfer completion callbacks are not...
Hi Dear Nordic!
We have prepared 200 pieces of PCB (used nRF52840) to pre-test our Product.
Now we are waiting for nRF52840 IC to solder.
Is it possible to buy ~...
Hello,
I've just found the Zephyr project which provides very interesting features and many questions are rising in my mind, but I don't know if this is the correct place...
I want use the NRF52832's NFC Tag in a bracelet. I need to know when the battery of the bracelect
is out, can the NRF52832's NFC Tag still be readable? Like the UID of the...
Hi
I add code in nrf5_SDK_for_Mesh_v0.10.0-Alpha_src, and when it run the follow code
and the ret_code is 4, I get information from the follow code
it is NRF_ERROR_NO_MEM...
Hi everyone !
I'm working with nRF 52840. I've downloaded softDevice s140 using Keil. Afterwards, I selected the target to nRF52840_xxaa and then build the project of Heart...
Not sure I understand the sentence. Do you guys mean "enabled"?
PSEL.SCK, PSEL.MOSI and PSEL.MISO must
only be configured when the SPI master
is disabled.
infocenter...
Lately I've been getting randomly occuring hardfault in my code during heavy BLE traffic and Sensor data collection times. From the hardfault_implementation.c loop I see the...
Hi,
Is there a size limit for the vendor specific service UUID? It looks like it should be 16 bits but I can't set more than 4 bits in my code.
I am using the uart central...
Hi everyone,
I wanted to know if it's possible to change the length of a characteristic's value after it has been put in the attribute table. Reading some other answers...
I found two bugs in the SPI master driver and I'm posting the solution here to benefit anyone else that may run into these bugs. I apologize if these bugs are old news. I...
