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 everyone, After having designed a pcb by taking the scheme proposed by the datasheet, I uploaded by the Black Magic Probe, the example code of the SDK "receiver Radio...
Hello,
I'm using the watchdog and i'm feeding it in my main loop :
I tried with
#define NRFX_WDT_CONFIG_BEHAVIOUR 1
and
#define NRFX_WDT_CONFIG_BEHAVIOUR 0 ...
Hello
I am using nrf52840 and am trying to determine the parameters of a voltage divider using the SAADC. Vin is the VDD voltage of the chip, R1 is 4640 ohms and R2 is 38600...
Hello Community,
I successfully build and run mqtt_simple it works fine.
I edit the code
//////////code///////////
void main(void) { u64_t start_time_mqtt; while(1...
Hello,
I am having an issue with the GPS on the nRF9160. I have been developing a custom program that will switch between NB-IoT and GPS when an interrupt pin is triggered...
Hi.
I am curious to know if it is possible to use the ANT-only Softdevice with the Zephyr RTOS. The goal is to create a BT BR/EDR + BLE 5.0 + ANT+ device all on the same...
Hi,
What is the maximum frequency that i can capture on GPIO port of nRF52840 ?
I'm planning to capture a frequency of 32MHz from a sensor on GPIO pin , can I do this...
Hi,every one!
As far as i konw, the original connection interval that ios sets is about 50ms, that is a little too fast for me, so i want to change the connection interval...
Hello,
Ive got an question of my Central BLE nRF54280 Dongle. I want to read the advertising packets of Sensors with the Name "RH". Shouldnt be a big problem. But i got...
Our device is based on nRF52840 with SDK 15.0.0
The device communicates over BLE with PC application (aka client) via "uart" service.
PC (client) messages are signed using...
Hi ,
I am using NRF52832 device and I am referring ble_central/ble_app_hrs_c app . in this example , there is secure data used(pairing and bonding information) for whitelist...
I would like to create a repo to house all our vendor-specific board support, applications, etc. outside the Nordic nrfConnect repositories as per the Zephyr workflow. However...