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 guys,
As long as I know the Arduino Nano BLE 33 is built upon the nRF52840 microcontroller, so I am wondering now is it possible to use the source code from Nordic SDK...
Hi,
I am changing some code in the bootloader and would like to see some logs inside a specific function. The problem is that when I place the call for NRF_LOG_DEBUG() before...
Hi,
as am following below link for DFU-OTA . i was able to perform it. https://devzone.nordicsemi.com/f/nordic-q-a/83402/ncs1-8-0-52840-mcuboot-spi-external-flash-can-t...
Hello, this is a follow up on this ticket: https://devzone.nordicsemi.com/f/nordic-q-a/84834/protecting-the-battery-via-sleep-mode
Our goal is to switch off the device ...
Hi,
I'm trying to understand which of the BT L2CAP modes are supported for a BT LE Controller. BT Core 5.3 supports these modes of operation:
Basic L2CAP Mode
Flow...
Hi.
Is it possible to add SPI or QSPI cleanup once mcuboot is done?
I've checked nrf_cleanup.c , but it seems that (Q)SPI is not turned off, which increases the power...
Hello,
I'm using nRF52833 MCU board for my project, I have to do power optimization to my project(Device).
In my device two sensors are there, and boost regulator and...
Hi, I have made a project that is based upon the aws_iot sample. The version of SDK and toolchain is 1.7.1. Now I have tried to upgrade to version 1.9.1. But then I get compile...
I've written a sample eeprom application based on the eeprom included in the nRF52 SDK to test the EEPROM we use in a project. The application worked properly about 10 days...
Hello! We created our own model using SDK for Mesh and it works well. However, when testing in the "nRF Mesh" application using the "Vendor Model Control" field with the ...
When i use GPIOTE HITOLO(low accuracy）and then open spi to read flash and close the SPI（nrf_drv_spi_uninit） and close the SPI 's GPIO (nrf_gpio_cfg_default) .
The power...
Hello,
How do I create an encrypted/signed image? Where can I find the documentation for doing this? How will I need to modify the bootloader to decode and install the image...
Hi, I need some help on flashing the code to nRF52832 BLE module. I would like to mention that I am flashing the code to nRF module using ST-link v2 debugger with the help...
Hi,
I've encountered problem with app timer functions being called from different interrupt levels. Looks like no memory error returned is caused by collision in underlaying...
Dear Nordic,
I'm trying to determine why my nRF9160 cannot register on the Verizon network. Does Nordic have any tools which allow one to see the RRC messages between the...
