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 !
Regarding the dfu upgrade service of thingy52, I would like to ask if it is possible to use some Bluetooth devices (such as laird's bl654) to make thingy52 enter dfu...
Hello,I program with nrf52833,NCS v2.9.0.And there is an error happened.
In my main() ,if I place settings_load() at top, it will make my sys resetting. Cause I need to...
Hi everyone,
I’m working with an nRF52840-based device that communicates with an Android app via BLE. I’d like to know if it’s possible to use the nRF21540 RF FEM to extend...
We are looking to do DFU over UART to the Application as described in DevAcademy nRF Connect SDK Intermediate, Lesson 8, Exercise 1, Step 5. However, we have only one UART...
Hello,
I am working on a custom Agora board that includes a BT40 module with an nRF5340 MCU. I am trying to enable the MCUboot bootloader by setting CONFIG_BOOTLOADER_MCUBOOT...
Hello ,
I am getting "Configure Cmake Option visibility" notification in visual studio. I am attaching snapshot as below.
/resized-image/__size/640x480/__key/communityserver...
Hi,
I have just acquired a new nRF52 DK devkit.
Performing a `nrfjprog --recover` followed by `nrfjprog --eraseall` doesn't work to remove the protection.
I do not flash...
Hi,
I use the secure BLE Bootloader to update the nRF52840 (with S140).
Now I want to add a UARTE to update the STM32 connected to nRF52.
Do you have a solution to do...
Hello,
I am using two nrf52840 DKs to test ble transmission and i2s output. The nRF Connect SDK I use is v2.6.0.
Both of them are ble connected. One sends data to the...
Hello,
I think llpm's sample project is wrong. Evaluation board is not supposed to be communicating.
To verify the defect, the value of the time variable is fixed. This...
hello, my code was built under ncs v2.6.0 and tool chain 2.6.0 without issue, I upgrade them to v2.9.0, then I get these errors, can not figure out how to fix them.
could...
Hi,
From https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/samples/bluetooth/direct_test_mode/README.html , it writes " After programming the sample to your development...
Hi,
I’m working on enabling the asynchronous API on UART1 in the nRF Cloud Multi-Service sample for the nRF9151. Despite setting the necessary configurations, when I call...
I'm using NCS v2.9.0 and attempting to communicate with an ADXL372 IMU over SPI. Occasionally, the MCU successfully reads from the IMU and begins printing values. However...
NCS 2.7 with mcuboot via sysbuild
custom board with nrf52840, 2 custom applications (manufacturig and end-user)
In my application our DFU will be performed over BLE...
