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...
Is there a way to read the mac address from the serial tty of an nRF52840? I have multiple dongles programmed with the BLE sniffer (nrf_sniffer_for_bluetooth_le_4.1.0) and...
Hi,
I was using the nrfx_saadc_buffer_convert to make everytime a single sample.
Now I did find out there is also nrfx_saadc_sample_convert. How do I initialize this...
I've been trying to debug a recurring hard fault around nrf_log_frontend_dequeue. This occurs sporadically (between 10-60min) into testing my firmware. When the fault occurs...
Hi all,
normally our system runs in low power mode. When triggering the SAADC the first samples (using oneshot mode) will be off (slightly too low).
I can work around...
Hi,
I need to create run time count that increases every 0.065536sec.
I found a way doing so by using HFCLK without any interrupts.
My questions are:
1) Are there...
Hi, I am working on the nrf52840 dongle using the softdevice.
I would like to know whether it is possible to add OTA DFU capability to the default open bootloader that allows...
Im quite new to development with the DK so bare with me.
Currently I am able to read digital values (0 and 1) from the potentiometer using pin P0.03.
I am using the function...
I had toolchain manager 0.10.3 and a project using NCS 1.91. Unfortenuately I have updated the Toolchain manager to 1.0.0 and now my project does no longer show up and the...
I have a NRF52840 based custom device that I can program just fine with a NRF52840-DK.
However, when I try to use a NRF52833-DK I can erase and flash the softdevice just...
Hi,
I work with nRF52840 DKs and I am working for indoor positioning system based on RSSI signal strength. I want the RSSI signal strength to be sensed and transmitted to...
Hi Devzone team,
My customer wants to design the LTE-M antenna for their tracker project in US market, do we have any antenna reference or design guideline? I see we have...
Hi,
I am looking for a BLE module that I can program to send a Thyrmistor signal 250 meters or more. The BLE module has to be small and able to collect A/D Convertor and...
Hi ,
I am trying to get GNSS on thingy 91 to work. It seems like I have the same issue as this thread:
I cannot get a fix. Currently, I am using the 1.3.2 firmware ( the...
Hello, I am developing a product using nRF52840. I use the DK board to debug and download.
However, I would like to implement a firmware update function using USB on my...
Dear,
we have a problem at the startup for our nRF52833-DK board powered with coin cell battery. nRf52833-DK doesn't start up with coin cell battery when running ble_app_uart...
