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...
Hello!
I'm working on a project with the new nRF5340 & Zephyr and I'm trying to get two SPI peripherals on the same bus sampling data correctly. It's a simple program thus...
Hello,May I ask you a question?
Hardware model: NRF51822 SDK version: SDKv9.0.0 SoftDevice:s110.
I used the interface in the pstorage.c file to realize the storage of...
Hi there,
I'm just trying to start to code my project. I want to stream 48k 16 bit audio from one nrf52840 dongle to the other one. I only need one way transfer.
I have...
Hi,
I want to use dtm project to test RF PHY performance about NRF5340. But after downloading dtm project and empty app project, NRF5340 can work normally from output RTT...
Hello I use nrf52832 and sdk v17.0.
I'm testing the firmware using custom pcb. Sometimes it stops altogether if there is an error in the firmware during the test.
The...
Hi. I'm testing our new product that can be extend ranges using FEM.
For best performance, I'm matching impedance between antenna and FEM.
But my major is not wireless...
Hello, I have a problem with my own designed board, It has nRF52832 and some other sensors which communicate over SPI, also I have a SD card on the same bus that works fine...
Hello,
In my code I am reading from a sensor and want to check if the float value returned is out of range. In order to do so I would like to be able to calculate the absolute...
i have just blinked the LED and trying to pwm
i have written a simple led blinking program like this one below
#include <stdbool.h> #include <stdint.h> #include "nrf_delay...
I'm trying to diagnose frequent (80%) DFU failures that I'm seeing with our Android application using Buttonless mode.
Our target can be 100% reliably updated with our app...
Hello,
I would like to program the NRF52840DK to send ZigBee beacon(not beacon request) to the end devices, but I cannot seem to find the API, etc. to do so.
Or perhaps...
Hello NRF ,
I am not able to run any of the the BLE peripheral example codes from the SDK12.2.0 ( Nordic NRF 52 SDK ) .
The reason I am using 12.2.0 is I have a sensor...
Hi,
I need a battery calculation in my project, For that I need to implement ADC.
But in SDK17 their is no ADC sample example for nrf52810 is present. So please suggest...
Hi Team,
I have nrf52840 DK board and is trying to get the prints from nRF USB port using cdc_acm application. I can see the prints when I connect the DK board with the...
