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...
Target nRF52832(nrf52dk_nrf52832) SDK NCS v2.0.0 Hello. In my project, I want to make sure that my project always works during power on. How can I check if my project can...
I am using a nRF52832 with a LISD3H accelerometer. When I initialize the twi driver, I see a ~250 uA increase in current. I was hoping to initialize the twi driver, enable...
Hello,
I use nRF52832 and SDK 17.02.
I use app_button library to detect and handle button pressing.
Everything works fine except that I have a testcase that is to...
We have a very simple application with an out-of-tree driver that is working fine with NCS 2.0.2.
However, changing to NCS 2.1.0 or 2.1.1 results in a DTS error:
(the...
I am working on a project that uses image differentiaton,person/animal detection, etc. To accomplish this, I can either use OpenCV library or use TinyML lite. The problem...
Hi Nordic:
Maybe it isn't a really question. When I try to make an error check, I get two types of error checks, ERROR_CHECK() and APP_ERROR_CHECK(). It seems to be the...
We would like the Fjorden Grip also to trigger the native iOS camera's shutter button, via sending a “volume up” command—similar to selfie sticks, which however use classic...
I was working and testing protobuf using the zephyr example (nanopb) on 1.9.1 SDK. but in build step fails with this error: ModuleNotFoundError: No module named 'google':...
We would like to use an external oscillator instead of External crystal. Is it possible to use external oscillator? If yes to which pin it should the clock be connected ?...
Hello Community,
My customer has design a custom board using NRF52832-QFAB MCU. They have also written application firmware as per product need.
Now, Customer wants...
Greetings,
I recently started working with the NCS and successfully modified the peripheral_uart sample to read data form an I2C sensor and send it via BLE
I wanted...
I was using sdk 1.9.1 into my project and every things waking prefect which use openthread. I took the same project and build it in latest version ( sdk v2.1.1 ). when I flash...
We have created a zigbee custom sleepy end device with the base from light switch example. We are able to perform most of the operations successfully.
We have set the following...
in main.c, you have this code
but if you set CONFIG_BT_NUS_SECURITY_ENABLED=n in the prj.conf file, then there are #defines that will prevent the definition of the...
