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 am working on my bachelor thesis, where I have multiple sensors in different places attached to a nrf52. Till now I could establish a connection between a phone and...
Hi I've searched a LOT
What I would really love is a productised simple door alarm (like a reed switch) but I cant find one anywhere...
what I was thinking is basically...
I followed a couple guides and set up my programming environment for the nrf51 dongle but having some issues compiling even the blinky example program.
I am currently using...
I would like to know, if it is possible to use flowcode for nordic chips development?
Yesterday I purchased the software development tool Flowcode. There is a complete...
I am new to PCB and embedded devices in general, but I have decided to try to learn :)
I have started looking at parts for my PCB design and wanted to use nRF51822-QFAA...
Dear Nordic developers,
I'm developing multiprotocol application by combining BLE and a proprietary protocol by using timeslots. In my project I need to disable BLE for...
Hi Nordics!
I am trying to merge my hex files.
I followed this post.
devzone.nordicsemi.com/.../
First, I made a .bat file in the \bin folder.
merge_test.bat...
Hi,
i have a bunch of nrf51822 hwid 0024 or 001E.
With softdevice s110 version 7 everything worked fine, but starting with 8, they pretend to work fine (no error codes...
Using the pure-gcc makefiles, at present I only see this for a stack trace in the command line gdb client:
(gdb) bt
#0 0xfffffffe in ?? ()
#1 <signal handler called>...
If you have the most trivial main.c possible, with a main() which does nothing at all, compile, link and load it at 0x00000000, it runs fine and does nothing .. that's basically...
I have a nRF51822 program in which a button triggered event doesn't work as expected and crashes the program. The program may have potential race condition problem. Here is...
Hello,
I've overcome most of my problems using this wonderful Q&A system from other people. Recently I've moved from a nRF8001 + MCU to a nRF51
Using SDK 8.1.1, keil...
Hi all-
I apologize in advance for the noob question but I have spent loads of time on this and can't make progress. I am trying to work my way through the nrf51822 User...
