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'm new to nRF/Zephyr development and trying to integrate the OV7670 camera with the nRF52840 board. Since there was no driver for this particular camera I ported the...
I'm having a problem with what should be a very simple exercise. I'm trying to compile the Zephyr sample subsys/cpp/cpp_synchronization after adding #include <string> to the...
Hello,
I am trying to read data from LS2DE12 accelerometer MEMS chip via I2C bus and I am seeing only zeros for all 3 axes.
I can write to the various registers successfully...
Hello, I ran the nrfconnect (ver 3.7.1) in Power Profiler (ver 3.1.3) in BLE advertising.
When I run the source mode on 3000V I get normal peaks (20mA), however when I run...
Hi,
I'm interested to use AGPS in my project. Looking into AGPS example (link below) , I want to prevent using low power mode since as far as I know using this command you...
Power Profiler software returns an error after I updated it to v3.2.0 with nRfConnect v3.8.0.
Error message: Error while probing devices: EnumerateWorker json error
Resulting...
Hi,
I am working with nRF52833 DK with nRF Connect SDK. All was going great until I had to add a GNU GSL library. I need it because I need matrix multiplications with complex...
Hi,
We are working on a custom bootloader/DFU and is going to use USB CDC to perform DFU and some data transfers for version information. We use the USB CDC library both...
Hello,
SD: 122
part nrf52833
I need to do the following:
a. scan for advertisements containing a particular MAC address without connecting. This works.
b. the...
Are there any convenient ways to debug BLE connectivity issues? I have the service up and running but the connection on nRFConnect App doesn't quite go through: it remains...
Hello,
I work with the nRF5340 and want to use I2C0 (1-3 is reserved for other sensors in my project ). I already use I2C2 for a sensor and this works fine.
To use the...
Sorry I'have a question about the certification process of a BLE in a custom board.
I see that with zephyr that I can define a custom board derived fron nrf52840dk. If for...
I powered the DK up and the LED's would light corresponding to the button that was pushed.
The D drive would come up, so I drug the heart rate demo (hex file) to the drive...
I was trying to follow the video to create a project with VS Code. After I click the Create Application buttion, there is nothing happens. It only create a Folder with APP...
