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...
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...
SAADC can't measure input voltage higher than VDD voltage. External battery (18650) voltage is higher than on-board VDD. There is very good article on your site explaining...
HI All
Im newbe in on that "field", so im apologize for stupid question.
I will like to check a optimal casing for my new product equiped with bluetooth comunication....
Hi,
I'm having trouble writing a long characteristic. I'm using the pc-ble-windows code from https://github.com/NordicSemiconductor/pc-ble-driver . I've compiled this and...
Hi,
I am using SDK15.2/3, I know the SDK peer manager has a feature to delete the oldest bonds if the flash memory is not enough to store a new bond. In this case, whether...
I want to transfer some data stored in nRF51822 to another BLE central device. I guess the idea is very similar to "ble_app_uart" example except that I don't need the part...
Hi. I have a project based on multi-link central with NUS service.
I can connect to multiple peers ok at the same time, disconnect etc. However if I am connected to one...
The Declaring attributes section of Zigbee stack API overview ( https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.thread_zigbee.v3.0.0%2Fusing_zigbee__z_c_l...
Interfacing to CC3100 and need to send socket data over spi that is 1400 bytes.
Assuming I would need to send 200 bytes X 7 and try to get the list array to work.
But...
I thought I had the logging figured out but when I try to develop the application, I always seem to end up with the same error.
I don't understand what causes this and thought...
Hi Experts!
I read some posts related to current measurement, and i have a question.
if SB9 is not opened, current consumption is increased??
i have a Source Measurement...
SDK 15.2 API 6.1 SES
I am trying to read manufacturer data. I know i am advertising it because i can see it on the nRF connect app on my phone. When i try an dparse the...
I'm trying to send data string from Central to Peripheral device using NUS.
If string length exceed 20 bytes then function return err_code = 12 (NRF_ERROR_DATA_SIZE).
...
I have some test code that uses VLOC_USER and when i write with authorization the data seems to get scrambled.
when i use
p_evt_write->data[0];
to get the data it is...
