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...
I use example ble_app_uart_pca10028_s130, I want to change the connection parameters by changing #define MIN_CONN_INTERVAL, #define MAX_CONN_INTERVAL, but when I use oscilloscope...
Hi,
I have been using the nRF51-DK to develop a program for capacitive sensing. I want to design a custom PCB with the nRF51422 chip on it. Do I need to have an oscillator...
Hello,
Using NRF52832, I need to convert to BLE 19.2 kbits / sec bit stream, received from another processor UART. I need a sample program, which I can adapt to do this....
Hi I was use example ble_app_uart with SDK 12.3.0 and nrf51802 for a data transport, after BLE connection, the example need uart receive more than 20 or "\r\n" ,the data will...
Hi, for carrier and modulation carrier signal is confusing.
What is the difference between their center frequency point for same frequency? Or modulated carrier will...
i'm using ionic2 framework with BLE plugin to connect nordicsemi devices. i can scan and see the list of devices and also connect to the device , but for reading and writing...
Hi,
I'm thinking about implementing automated testing of current consumption using the PPK, and in the PPK blog it says:
"We are planning on also making a Python API that...
Hi,
I call nrf_drv_gpiote_in_init in multiple places during initialisation to get all peripherals configured. At some point it stops working in the sense that it doesn...
Few weeeks back we have purchased beacons from chinese manufacturer (Radioland China). He had provided me iBeacons. We bought beacons as we are working on some beacon solution...
I am using nRF 52 DK with Softdevice s132 v4.0.2 and app ble_app_uart from sdk 13.0.0
When i try to connect using nRF Toobox running from my Nexus 6p Android phone Segger...