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 trying to create an application which would send data once a minute. The application is based on BLE advertising packages, because it should be the most simple method...
Hi,Sir：
I am making a DEMO based on SDK15.0(SDK15.0\examples\ble_central\ble_app_hrs_c) and pca10056 for my one of important customs.I need to implement some extra software...
Hi,
I am now in Hong Kong, and trying to connect to NB-IoT network here. There are 2 providers of NB-IoT in Hong Kong: "CMHK" and "Three". They provide NB-IoT since 2017...
Hi!
I was testing the SD Card example that is available on the SDK 13.00 in the following path: "nRF5SDK1300/examples/peripheral/fatfs". I checked SDK 16.0 and the code...
I have a hard-to-reproduce bug in my MQTT application that I have investigated enough to realize that my MQTT thread is stuck in a call to mqtt_publish(). I've verified that...
I would like to add UART as an option to the "ble_app_hrs_rscs_relay" example in SDK16, But keep the peripheral low power.
i.e. once I set a GPIO, the UART will start to...
I'm working on a project where UART0 is used as a nrf logger uart back-end. Recently I've tried adding UARTE1 to the project to implement additional serial communications...
I am unable to initialize soft device, but I am able to initialize log, led, gpio and timer as well, I can see debug prints as well. After debugging I found following information...
Hi everyone,
We are developing switch product which running with Android Application.
We have problem about send status from switch Device to Android Application
+ Android...
Hi ,
I have tested two boarrds(PCA10040) with same application id and higher application version,These work well done.Then I want to test mesh DFU Relay function,However...
Hi
I re open an old ticket to know about changes in the Android Mesh Library
https://devzone.nordicsemi.com/f/nordic-q-a/45553/is-sequence-number-and-transaction-id-equal...
I had a awesome trouble with the ble when update my firmware, with the same code in app and firmware, the samsung s10(android 10) and s7edge(android 8.0) can send 510+K files...
Our BLE HID mouse devices has work well during several months and since some windows update, on some PC, the BLE is disconencted every 30 sec.
We received a BLE_GAP_EVT_DISCONNECTED...
I am working on a project that is based off the Nordic Thingy-52 design. I have run into a problem that I was hoping someone might give me some help on.
When I designed...
