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 am using nrf sdk v2.4.0 and I wanted to disable TFM so I added the following definition in prj.conf.
CONFIG_NRF_SECURITY =n
CONFIG_BUILD_WITH_TFM =n
But my program...
A problem is experienced with our nRF52840 device, which occasionally stops working and cannot be reset.
Below are the issues observed:
The main software is stopped...
I am working on the broadcast_audio_source example, trying to access audio from the I2S microphone. However, I do not have much experience with Zephyr. The example is mostly...
The thread where it happens is "unknown” despite the fact I name all the threads I create. With addr2line I found that it is zephyr/kernel/timeout.c 56 but it says nothing...
Dear all,
I'm designing a circuit that should allow powering the nRF52840 board with either an USB power supply (USB2) or a (non-rechargeable) CR2032 battery (B1). According...
Hello.
I encountered the following problem. I have an nRF52840 microcontroller that is already soldered onto the PCB board. It doesn't have any bootloader. As an example...
Hi,
We have an nRF9161DK and received our own custom boards this week. When we tried to program our custom board, the development kit disconnected from the computer and...
Hi all!
I'm in the process of trying to put together an nb-iot app on Android studios that would communicate with data from the Thingy 91 board. I've been trying to go through...
Hello everyone,
I've been working on testing PPP support in SLM 2.6.1 without cmux on my Linux host machine. However, I encountered some logs during the process: Note: For...
Environment:
I can't seem to get the one button sample to do anything... I get a steady ~1sec flash from HOST led on the npm1300, but I get nothing from pushing SHPHLD...
I have an EC11 rotary encoder wired to my nRF52840 and I am trying to get readings from it using the sensor API. However, I'm having issues with (seemingly) garbage data....
Good day. We ended up getting a bootloader based on the NRF5 using the Serial Recovery method and a non-upgradable bootloader. The update is coming from a microcontroller...
I'm working on a linux driver for nRF7002 based on the experimental linux driver: https://github.com/NordicPlayground/nrf70-linux-driver . This is being done on linux 5.13...
Is it possible to somehow set a lower charge current than 32mA for the whole charge cycle or force trickle charging for the constant current charge cycle? The issue is that...
I have a GSM application connecting to MQTT that worked previously refuse to work when I picked it up again to improve on it.
To make sure there isnt a problem in my firmware...
