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...
dear friends,
now i need to let a master 52832 device communicate with multiple slave 52832s.how can i make it? Our scenario is that a teacher takes a phone in a classroom...
I used SDK12.2.0 and S130 develop with 51422;
I want to test for fds write and read, I followed the fds_sample from github; it can write success, but no FDS_EVT_WRITE return...
I have to exchange information with smart cellphone. My 10040 board create a pair of key by micro-ecc and transfer the public key to the cellphone. However, the cellphone...
i am using timer 1 of nrf24le1.for which i have calculated a value which is to be loaded in th1 and tl1 for 1ms .calculations are as,
clock =16mhz;fosc=16mhz/12=1.333mhz;t...
Hey everybody, I'm having 'intermittent' issues with device addresses on the nRF24L01+. I've read the documentation on what you're not supposed to do as far as device addressing...
dear friends,
There is a pic that i catched using sniffer. SlaveLatency,a gap parameter,is set to 2.As you can see, when the slave do not give an ack,the mater will resend...
Hi
I am measuring the current.
I use SDK 12.2.0 , NRF52 and S132.
I noticed that current was flowing even while device waits events.
Device waits by sd_app_evt_wait...
Is there a way to receive/send messages from/to the nRF51822 (I am using the BLE nano from redbearlab) with a java desktop application? Is there any java library out there...
Is there a way to determine the end of an NFC write besides waiting for the NFC_T4T_EVENT_FIELD_OFF event? We want to update the NDEF message from within firmware after data...
Hello,
I would like to collect sensor data over TWI and transmit to a smartphone using BLE. I am wondering what the best way to do this would be. I am using SDK 12.2. ...
Hallo all,
I have just noticed that nRF5 SDK 11.0.0 do not have support for S110 softdevice anymore.
I understand that from previous project that S130 is able to do similarly...
Hello,
I have made a custom board using nrf51822 QFAC that has an IMU on TWI interface. For programming I am using ST-LinkV2 and OpenOCD. The board is working just fine...
Having spent numerous hours/days on trying to get the SDK12 examples running on my nRF52DK board with MacOS SES3.12, I in result wrote a basic guideline that in the end makes...
Hi,
i search a FSK tranceiver with a ADC readout for a experiment.
I need the raw ADC ("audio") signal for a external signal processing.
Please help, most of the wireless...
