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...
Hello Everyone, I designed and fabricated a small nRF52 board. The design of this board is based on the Adafruit nRF52 feather. The difference between my designed board and...
Hi,
I'm working on MacOS 10.14.6 and I'm having trouble with the Programmer app in nrf Connect.
I have installed the Jlink driver successfully (v6.60a), but when I select...
Hi, I am trying to add a motion sensor event into my code that utilizes the low power accelerometer on board the thingy91. I wont be in sleep mode but will be in PSM or edrx...
I have followed the instructions in nRF Connect 3.3.0 - getting started assistant to setup my nRF connect SDK.
I proceed to set the nrf repo to v1.1.0 branch (last stable...
Hi, I Implement void WriteRegister and ReadRegister SPI interface with mfrc532 but some time right,some time wrong.
Some time i write value in a regsister and i read again...
Hello,
I am emulating the behaviour of a device doing this operations (Using pc-ble-driver-py 0.14.0 and nrf52840 dongle):
Is connected by a smartphone app
Exchanged...
Hi,
I'm using PCA10040 board and J-Flash to program a HEX file. However, the programming failed because of the license problem. How can I solve this problem?
Thank you...
Hello. I want to create a profile here so that I can ask private technical questions. You ask for personal info like full name, phone, address, etc. Is any of this information...
Edit: The problem was caused by me. Solution is in replies.
I was testing read back protection functionality. For one device I've set protection using openOCD by setting...
Hi,
I noticed nrfx_spim.h contains a method called `nrfx_spim_xfer_dcx` but I can't use it directly in my SPIM app.
I am wondering if that method is available to nRF52...
Hello,
I did getting started guide on a new computer (Windows 10 64 bits) and when I tried to check if all is ok with AssetTracker, I got that error message. What cna I...
We are currently getting intermittent errors in our ANT enabled application in field testing. To try to understand where this is happening I want to send over ANT an indication...
Hi ...
I want to measure the temperature using thermistor .. I am working on saadc example . I need give the reference voltage as 5v how to give that ? is there configuration...
