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.
I am trying to port BLE serialization code to a host MCU, to say STM32F4.
I am looking through porting documentation (BTW, it is quite well documented. Well done...
According to Microsoft's instruction on HID touch device, msdn.microsoft.com/.../dn672271(v=vs.85).aspx , a HID touch device should create a report (descriptor) as below,...
Hi,
I am having a 324 byte,a 420 bytes of array stored in flash,now i am updating these array with 360 bytes. in fds_event_handler in the case FDS_EVT_WRITE i am reading...
Hi,
I'm looking for an example which combines FreeRTOS, BLE and ADC on nrf52 board(10040).
I'm able to have FreeRTOS with BLE, FreeRTOS with ADC but not everything together...
Hi,
I've read a lot of question on the forum, but I'm a lit bit confused about what I have to do to use one static passkey on the central and peripherical device. In my...
Hi There,
I'm having problems with my hardware timer appearing to stop counting or not being cleared via a short when the timer interrupt is executing.
In my application...
Hey!
I want to use the nrf51 BLE-module in some special environment.
It should be able to work with bluetooth and in addition to it with some other RF protocol (Gazell...
Hi,
I have added "DFU" functionality to my existing BLE application Test.rar .
"I am using nrf52 SDK v11.0".
I have programmed the device with softdevices (S132.hex...
Hi,
I am new to eclipse on windows.
I have bought the PCA10040 board.
I have installed eclipse and GNU ARM Eclipse 3.1.1 plug-ins.
Copied the NRF52-SDK into workspace...
Hi developers,
I am trying to collect data from an AFE (ADS1298) and could get some values. Inorder to check the accuracy I need to plot this value. I am programming this...
Hi,
I am running the nRF51822 from a coin-cell. I need to measure the cell voltage. Until now, I have attached VDD to an ADC pin with a voltage divider and a capacitor...
Hello~
In my production line use jig contact my PCBA, and use Jlink connect to Nordic 51822 download FW, but I found sometime can use 500kHz and sometime can't use, just...
Hi
I am using nRF52(PCA10040) as a sniffer dongle, but it seems the sniffer mode cannot work, and shows the error log: "INFO: Error on port xx. file: Packet.py, line 245...
