Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
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...
Hi
I can't set CommonName in the attributes list while generating a private key, it gives an error:
Omitting CN it works fine:
What am I doing wrong?
Thanks...
Hi
I have a question concerning AOA.
I have already make a tx (with nrf52833) and a rx (nrf52833 too) and i succeed to receive the CTE and the IQ sampling with the antenna...
Hello ,
my team and i we are trying to set a communication by UART between two nrf52840 µC , with one of the µC we have done a communication with a nucleo board which supports...
Hello all,
I have made a simple app that runs in loop on the nRF52DK, in general it reads data from the sensor via twi and turns on the leds ...
When the program is run...
