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,
So I'm trying to modify the mqtt_simple sample program to connect to azure iot
I've modified the code in a few ways but when I went to run the program it gave me...
hello,
below is the error experienced.
nrfjprog --family NRF52 --eraseall ERROR: JLinkARM DLL reported an error. Try again. If error condition ERROR: persists, run the...
Hello,
I'm using a nrf51422_xxac_s110, with the Keil uvision IDE. I recently upgraded my sdk from an older version, to 12.3 in order to use some components like FDS. Consequently...
Hi guys, I'm using a HFCLK TIMER to time ADC sample capturing via PPI. This eliminates CPU+BLE usage from affecting my time keeping. I assume that each ADC sample arrives...
Do you why I could not pass the "ble_stack_init()? I did download softdevice from 0x0000-0x26000 and Application from 0x2600
int main(void) { // Initialize. log_init();...
I can run some of the samples on my nrf9160 DK, however when it comes to this one I get a assertion error err==11 that I have not yet been able to solve.
ncs/zephyr/subsys...
Hi,
In my application I need accurate calendar capabilities such as alerts on every hour and alert on a specific hour every day. Is there any implementation of such a mode...
Hi,
Want to read data from HX711 adc amplifer with wheatstone bridge loadcells, but when i run the program, my output is <info> app: ADC measuremement -8388608 all the time...
I'm a little confused by the packet rate I'm getting on Gazell. Or rather I'm confused by the low number of 'timeouts' I'm seeing - I'd expect to see more, and would like...
Hi all,
in my custom board I'm using an NRF24L01+ as RF transceiver. The relevant part of schematic follow: (hi res => https://imgur.com/a/z4nQxXh )
The following...
The nRF905 chip can be setup to different payload length. 0-31 byte
Must RX and TX unit be setup to same payload length or can RX unit be setup to ex. 20 bytes and TX unit...
Hello.
There is a label on the back of the nRF9160DK.
I can find "HWID: FF:6A:B3:34:69:AC" on the label.
nRF connect can get the same string: " FF:6A:B3:34:69:AC " when...
I am trying eddystone example from SDK 15, its working fine but once I press the button to enable connecting and function nrf_ble_es_on_start_connectable_advertising(); is...
I want to use REG0 to supply 1.8v to external 4.7k pull-ups including when the system is off. Looking at the product specification REG0 can supply 1mA while in system off...
I have updated my repos to the latest commits on master for zephyr, mcuboot, nrf, and nrfxlib. I ran `
pip3 install -r scripts\requirements.txt
and I can open the asset_tracker...
