I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
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...
I want to experiment with recording observations of the beacons with raspberry pi's.
Is there any precompiled firmware I can install on the nRF51822 smart beacon...
Is it possible to add a payload (1-2 bytes) to the beacon advertising packet?
I intend place an ADC output to the payload. For now, I'm using nRF51-DK but later wants to...
