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 Sir/Mdm, I want to use 1.54 inch e-paper module from waveshare with nRF52840 dongle with Zephyr RTOS. I have read the documentation from Zephyr about the display and noticed...
Hi,
We use the nRF52840 and have now run out of space using debug mode compilation (using CMake from bash).
When we compile in release mode, we get 50% full flash, so...
Hi,
I am using nrf52832 and mesh sdk 3.1.0 with nrf5 sdk 15.2.
We use dual bank approach for our firmware update with the normal nrf5 sdks ble bootloader. But now our...
Hi.
I have been trying to implement my own Model into the Light Switch Example (Mesh SDK 4.2, SD s140 7.0.1, Hardware: nrf52840 DK), according to this Thread:
Adding Simple...
I'm implementing the WS2812 driver on custom hardware and have some confusion around the hardware tuning parameters for the SPI implementation. The description of the device...
Hi everybody,
We ran into a Zephyr configuration issue which is related to Zigbee and Zephyr's networking stack. In our setup we would like to use Zephyr's modem library...
Hi,
I have nRF52840 DK, for nRF52 series devices. I switched from nRF52 SDK to nRFConnect SDK.
I reviewed
http://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest...
Hello,
I am running ble_app_beacon demo from nRF5 SDK 17.0.2 on nRF52 DK and would like to decrease power consumption as much as possible. From this post , I have seen that...
In the official development board directly burn SDK routines, input the command to write data in the serial port, if you continue to input, for example: interval 1s to write...
Hello everyone:
We use NRF52840 to test the transmission function of mesh and verify the minimum publish(client)-->prescribe(server) time;
The following is the publish...
Hi,
I have nRF52840 -DK boards.
I was using nRF SDK (SoftDevice ) to program nRF52 devices. Now I am switching to nRFConnect SDK. nRFConnect SDK is new to me. A few questions...
hi，
My application MTU exchange is 23 bytes，I send data using Notification or indication to sent 105 bytes date，I subcontracted the data into 20 bytes ot sent，How do I make...
How do I do memory debugging in the nrf52840 in the runtime, or trace the RAM in run time, also how do I do the profiling of the memory in the run time. How do I find out...
