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...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
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...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
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...
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 ...
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...
Hi, i am developing Zigbee window covering device on nrf connect sdk 1.9.1v which has 2 endpoints, but i am face issue when zigbee command is received and
device_interface_cb...
I have Ebyte’s E73-2G4M08S1C (nrf52840-QIAAC0/ aQFN73 module) where P0.19, P0.21 and P0.23 are not wired out :(
So, my question is which other pins could use / not use instead...
Hi,
I have started learning nRF5340 recently and have got the development kit as well.
I compiled first example of "peripheral_uart" but I am not able to program the board...
I have the ble_peripheral blinky example running, and I have a separate project with the USBD working fine (based on the usbd_cdc_acm example), but when I try to merge the...
The advtising data is 050501020304.That mean
advlen=0x05,
advtype=0x05,//BLE_GAP_AD_TYPE_32BIT_SERVICE_UUID_COMPLETE
advdata=01020304.
we want to set the 32-bit...
Dear Nordic Engineers
I use the NCS V1.9.1.I would like to building the openthread\coprocessor project on the nrf52840_dongle.I read this page: https://developer.nordicsemi...
