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 use nRF Connect to scan BLE devices. nRF Connect can find ANCS2 device. But nrfutil dfu ble failed with Exception: Connection Failure - Device not found! And I can't find...
When I run TX tests with the AT%XRFTEST command, I can start the TX test without any problem but then the modem stops responding to AT commands. For example, if I send
...
Hello.
We are currently using MBEDTLS to handle DIFFIE HELMAN and AES . We have disabled all unused curves and modules, as suggested in documentation. Still the size of...
Dear all, I am trying to develop an application on Nordic nrf52840_dongle utilizing Bluetooth and Nordic Led Button Service. The application running on the dongle is supposed...
I was starting to develop for our own board based on the nRF9160 where we will just be using the LTE-M and while doing so, ran into issues with enabling the LTE. To do a sanity...
Working on a BBC microbit v2 (nRF52833) with Zephyr, I can only control the "ring" pins of the microbit's edge connector. I can setup pullup or pulldown on the other pins...
Hello,
I am using the nrf52832 and would like to know the clock sources used by the external peripherals. From the searches, I found that PCLK16M is used for most of the...
I am working with STM32-F401Re with IKO1A2 shield on it as well. I implemented the machine learning core on LSM6DSOX and I get the data of that accelerometer on STM32 F401re...
Hi All!
I am using nrf5 SDK 17.0.1 and using a radio test example to extend the range of nrf52833/20. Able to compile the example for nrf52833(pca10100).
Now the issue...
Hello,
I am not using the latest SDK, but it seems this has not changed (to be checked…). In file ./components/libraries/util/app_error_weak.c I have this sort of code:...
Our application has several Nordic devices in it. We want to hang a NOR Flash off SPIM4 (QSPI is already dedicated to another Nordic device) of the nRF5340 for storage of...
I use nRF Connect to test buttonless DFU without bonds failed. But nRF52832 receives BLE_GATTS_EVT_SYS_ATTR_MISSING event.
->static void ble_evt_handler(ble_evt_t const...
Hello everyone,
I am designing a Bluetooth repeater that will be powered eather by USB or an embedded Li-Po battery. This device will run with the nRF52833 along with...
Hi,
I am working on a project, where I am trying to create a touch LED project using NRF52832. I have completed the prototype, its working is quite simple. The LED will...
