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...
I am using MeshSDK 4.2.0 and nRF52840.
I have looked into the provisioner example and the provisioner_store function in main.c only seems to store m_nw_state, which only...
Hi all,
I have some issues to print and parse JSON file using cJSON features. My code works without problems in SDK, but when I try the same code in Mesh part, I am not...
Hello, i'm trying to build zephyr\samples\subsys\usb\cdc_acm but i get the following error:
1> zephyr/isr_tables.c does not exist. 1> Combining ‘zephyr/isr_tables.c’ 1>...
With very low data rates and short packets between two nRF52840s which of the following can operate at the lowest power?
1) ble peripheral to ble central uart
2) Enhanced...
Hello Dev
I'm working with MQTT sample on nRF9160 DK device and while that when I called facing some kernel based issue regarding k_sleep() function.
I'm getting this...
Hi,
Thanks for the help. I have run the proximity detection application in nRF52832 nordic thingy. Initially the LED was blinking in the thingy board but when I switched...
Hi,
Though the Thread CLI sample's 'README.rst' lists the following supported optional extensions, it does not specifically describe how to set the specific '.conf' files...
Hi everyone, Lately I have been using a PCA10040 (nRF52-DK) with J-Link OB-SAM3U128-V2-NordicSem V1.00 version. I'm trying to program two boards one with nRF51822_xxAA and...
Hi I am wondering what the best way to go about developing a RPi based system for presence detection with nordic ble devices
I would like to limit the bluetooth signal to...
Hello,
We are looking to do OTA device firmware update by GSM for the nRF52840.
We have a custom board with a nRF52840 and a GSM/LTE-M modem. They are communicating together...
SDK: 14.1.0
CHIP: nRF52840
CONFIG: ZIGBEE&BLE MULTI PROTOCOL
I wants to keep store zigbee pairing data after reset.
I setups like this.
After joining procedure...
From the gnss_extension.rst documentation shown below, it appears as thought the GNSS receiver can retain solution information from previous fixes/tracking in order to speed...
Hello Nordic!
I'm starting to develop my own Zigbee device with the nrf52840DK and I need to send some attributes to my coordinator, initially the door lock status is enough...
I am currently using an external JLINK to program the 9160 module, after adding read protection. Unable to recover using nrfjprog, report the following error:
ERROR: Recover...