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...
Hello
Is there any possibility to get receiver IF to any package pin. Even some kind of factory debug mode.
Normal receive functionality during this is not needed.
...
Greetings, we're currently working in an application where we need to connect different peripherals to a nrf52832 for a wearable device. Each of these peripherals uses a different...
Hi:
i write very simple BLE App, it used open link. No security/encrypt. 1 service with 2 characteristics.
tx(serviceTXID, rxBuffer, 0, sizeof(rxBuffer), GattCharacteristic...
Hi there,
I wonder why I have to flash my nRF51 DK using mbed build first to make the SDK build work?
I received my 2 nRF51 DK today and I tried the first one in the...
Hello
I am new to Nordic's product line. I would like to know if there is a recommended Bluetooth 5 SoC for wearable products that require years of battery life. For example...
Hello, I am trying out my pca10028 board, with s110 and my updated ble_app_uart expample. I am trying to detect a link loss: board advertises as peripheral connects with android...
Hello,
I work on module BLE LAIRD BL652 and I'm a BLE peripheral. I have tried to make a BASIC program for advertising while in a connection but without success.
As...
Hi,
i am creating a new project iar workbench 7.8 with SDK V8.1.0 and softdevice V8.0.0 using custom board nrf51822 ic revision 3 (QFAAH00),clock source as "NRF_CLOCK_LFCLKSRC_RC_250_PPM_8000MS_CALIBRATION...
Hello Sir,
I am designing PCB using nRF52832 SoC it is very small and operated on AA battery source.
So please recommend me for reverse battery voltage protection diode...
Hi Guys,
Me again. I was thinking someone could provide some suggestions on my understanding of the BLE connection ( porfile, GATT, characteristic,value, etc...)
I finished...
I had successfully write a structure data to fds. After which, I would like to update the same file and record key with new values of a structure. After updating, I will read...
Imagine I have developed a MESH made up of 50 Relay Nodes and I say only Relay Nodes because any of them must be able to relay and also able to initiate a message. In my application...
Hi,
I am making a GPS tracking system using NRF51822-QFAC. I am using 2 UARTs, one of the (external) GPRS IC and one for (external) RS485 communication.
The UART peripheral...
HI,
I tried to compile Thingy v2.1.0 with keil. And sereval file are missing.
Actually i work with your SDK 14.0.0, i find so many missing file, but not all.
Can...
Hi,
I am currently testing with a USB MSC example .
FATFS_QSPI is disabled because the file system is not used,
Subclass has also been modified to 0x06 -> 0xFF.
...
