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...
Hi, I have a problem with the HFCLKSTARTED interrupt.
I can't have it. (I'm a little bit pressed with time I have to send a document in 2 days, so if you can quick respond...
We are currently using SoftDevice 5.2.1 and was given the task to migrate to 6.2.1. I doing so, I placed 6.2.1 hex onto our device and turned it on. Yikes, many errors. Most...
Right now i have based myself on the BLE UART example where it is UART over BLE.
So naturally I use ble_nus_string_send to send data. After some digging I saw that this...
Hi
1, I was trying to download mkit code to my own PCB. It seem erases and download work well. but the BLE was not broadcasting. May I know how to edit the code of mbed...
I followed the instruction here to write the program to nrf51822 and scan it with nRF UART v2.0 on Android. The nrf51822 can be connected, however, it shows 'Device doesn...
Hello,
the documentation states:
"Get the total number of available application transmission buffers per link in the BLE stack."
What does "link" mean in that context...
Hi,
I'm looking or nr51822 CE and FCC certified modules available in Europe in small quantity (tens of pcs). Do you know of any? I searched Mouser and Farnell but I can't...
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...
