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...
We have our custom PCB design that we program and debug by connecting the SWD lines to nrf51 DK's SWD. We wanted to use trace for better debugging options, however we discovered...
Hi,
I have a task to do PWM frequency repeater on nrf52832. After reading forums I decided to make it with PPI, 2 GPIOTE and 3 Timers. Here what I did: https://github...
Hello everybody,
I used SDK14.2 S132
I defined fds_write and read function like that;
Also, I wrote a function to register particular data;
Then I used save_data...
Hi, I followed through this tutorial:
https://devzone.nordicsemi.com/b/blog/posts/getting-started-with-nordics-secure-dfu-bootloader
But to my frustration I realized...
Deer friends,
The nRF Connect BLE app supports the configuration of the local device's GATT attribute table, also known as server setup. Adding attributes to the server...
Hi
I am researching options for my bachelor project which happens to be about bluetooth 5, where I am looking to develop a smartlighting system using Bluetooth 5 mesh....
Hello Nordic Support!
We are making a prototype that connects the battery to Vcc, but 5 out of 10 It works properly. Conversely, the remaining five do not behave as expected...
Dear friends,
In the Power Profiling Application (an example of nordic SDK), the priority of the application timer is set to APP_LOW(as shown in the pic below).
However...
stdio.h defines vsprintf and _vsprintf, and suggests using _vsprintf if you want to save on code space.
extern _ARMABI int _vsprintf(char * __restrict /*s*/, const char...
As per the Bluetooth Spec (v5.0) Page 2323-2324, it seems that LE Secure connections pairing supports 1-way OOB. See section of text below.
If OOB communication is possible...
Once GPIO is pressed (shorted to ground), I want to change the value of UUID or Major/Minor number
If not, the device will continue to advertise the previous values
Hello,
I am working on a custom project with nRF52832 using SDK14.2 and s132_nrf52_5.1.0.
Now I am trying to configure and use RTC2, and face the problem that ble_stack_init...
Hello everyone,
after hours of python module installation, I was able to run the PPK with PCA10056. I have cut the SB40 and used an external pwoer source with 2,5 V. I have...
Hi I have two problemes, I do not know where to start, so if someone has an example, I would like to see it. The first thing is if someone has an example about using pwm to...
When registering a base UUID with the SoftDevice via "sd_ble_uuid_vs_add", a uint8_t is returned which (per the ble_app_pwr_profiling example) is intended to be the "type...
