hi.
How do i do ble_app beacon advertisement to one device(Android phone) whose bluetooth address is known ?? I want that beacons should only be seen in nrf_connect app of...
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...
Hello All,
I am newbie and trying to sniff BT mesh logs using wireshark with nrf52840 dongle. I was successfully able to sniffer the wireshark packets for BT mesh. But currently...
Hello.
I want to know maximum number of 'BLE MESH' connect, Could you teach maximum number in 52840? also Could you teach number of evaluation in 52840?
Thank you.
Hi,
I am developing a react native app with the iOS and Android NRF mesh lbrary. In this app I am handling connection, data receiving on characteristic and sending on...
Hi
I'm evaluating using the nRF52805 for an application that would use BLE but require almost no BLE functionality. Only the ability to periodically wake up and scan is...
Greetings. We are using the zigbee/shell sample in order to verify the connectivity of some other devices running the zigbee stack. While the shell sample had no issues in...
Hi all
I have a problem with allocate RAM.
I build the project as non secure.
in the zephyr.dts file, you can see that the memory is divided into 3 areas:
sram0_s...
Hello,
I want to create a Matter network using my nRF5340 DK board, as Matter accessory, and my RaspberryPI, as controller (CHIP Tool controller). I'm using as well nRF...
Is there a problem with writing-to and notifying-from the same characteristic? Or is it recommended that one create two characteristics, one for receiving data, and the other...
1.SDK:SDK17.1
2.IAR V9.2
3.
static float inv_sqrt(float x) { float xhalf = 0.5f * x; int i = *(int *)&x;
i = 0x5f375a86 - (i >> 1); // this is magic. x = *(float ...
hi ~
peripheral can bond how many smartphones ?
and What will happened if over bond?
i use sdk12.2 below 'is my setting
#define SEC_PARAM_BOND 1 #define SEC_PARAM_MITM...
Hello,
I am developing a door lock system. Where in final product door lock will be controlled and monitored by BLE+Zigbee. So far I have complete success of controlling...
Hi, I'm developing an application using UARTE to reading response from Module Sim. The content response from Module Sim has 495 characters. When I debug, I only read some...
Hi.
I am developing nRF52832 and ST7789.
I'm trying to print out the text, but it's not working properly.
The nrf_gfx_screen_fill() function works fine.
When I proceed...