How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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...
Hi
I am using nRF52840 with SDK 15.3.
I have a project where I uses FatFS to write to a SD-card with SPI interface (SPIM3). This works very well.
I am now trying to...
Hi all,
We've followed the reference EVK designs closely and are now in the Pre-Production phase.
The initial development board was intentionally large to accommodate...
Hi,
I am working on zigbee demo "light_switch" with NCS2.8 Add-on SDK.I enabled MCUboot according to the steps in the course " Lesson 9 – Bootloaders and DFU/FOTA "
1...
Hey folks,
i have to use the nrf9160 board to create a PoC for a project of our company. The main topic of the PoC is not important here because i cant even connect to an...
Hi Nordic Team,
Previously, with the nRF52840, we could use the internal ADC channel to directly measure the supply voltage (VCC) for battery monitoring without external...
Hello! Introduction. Responsibilities of the cores in my device: 1. app core. 1.1. data processing from a stereo microphone 1.2. data sending to net core. 2. net core. 2.1...
Hi
I need to sync a PC with a BLE board. Fixed delay is not a problem, but jitter should be max +/- 1 ms.
Our competitors have solved this issue some how.
As we all...
Hello. Right now, I am connecting an external flash using SPI. The external flash is used for firmware updates. I'm trying to launch sQSPI to access the external flash. I...
Hi to all,
I am trying to do a ZUTH (Zigbee unified test harness) test run, using the Silabs devices as golden devices (as per CSA recommendation) and nRF 52840 dongles...
Hi,
I try to migrate a working nRF53 Zigbee project from SDK 2.7 to the latest SDK and an nRF54. As described here, I also switched to Zigbee R23. The project structure...
Hey there!
I'm trying to run the 'wifi/shell' sample on v3.0.1 on a nrf7002dk (targeting the nrf7002dk/nrf5340/cpuapp) with sysbuild enabled, of course and I'm getting...
Hi,
I am trying to set the Tx power level on the central device, I have followed the nordic example samples/bluetooth/hci_pwr_ctrl in the Zephyr tree. But it only sets for...
SOC: nrf52840
SDK: v2.9.0
Device is a central, it connected to 16 peripherals, these peripherals will power on 90 seconds and then power off 10 seconds(one cycle). ...