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 Guys,
I was able to connect a second uart to the evaluation board and receive over uart.
however I didnt find an example of how transmit a buffer over uart.
is there...
Hi, we have a product that we want to update with new fuctionality, We use latest S110 for NRF51822 and would like to have more than 2 ppi groups useable.
In what scenarios...
Hello folks I have been struggling for some time with the driver for the MCP23S17 in Zephyr. I have already tried this code: https://devzone.nordicsemi.com/f/nordic-q-a/64024...
Hello I am developing a device that uses BLE.
User will connect bluetooth directly the first time they launch a custom app, and they will try to connect automatically the...
Hello I am using an acconeer XM122 / XB122 radar sensor with the integrated psco nrf52840, it turns out that I have mistakenly deleted the bootloader so I cannot flash with...
Dear,
I am using nRF9160 DK,
I can re-define pin for UART0 and UART1, from UART0, i can receive data from UART0/UART1.
Now, I want to send data to UART1.
Plz...
Hello,
I am using nRF51822, SDK12.3.0, pca10028, S130 as a central scanner.
Now I set the scan interval to 100ms and the scan window to 50ms. It is planned to use 50ms...
Hi,
I want to know what is the additional current or power consumption when the temp sensor is acquiring data and operating as intended.
kind regards,
Erick
Greetings,
we have a custom pcb with nrf9160 and are using nrf-sdk v1.3.0 and mfw v1.2.0
Sometimes when connecting to lte the code crashes:
The code in question is...
Hello, I am developing with: custom nRF52810 board, nRF5 SDK 17, S112.
I'm using APP_TIMER for my main tick. I have the following code I use to initialize and start the...
Hello,
I am using SDK16, Softdevice S140 with SES.
I am trying to add DFU functionality in my application and leaving only the activation of the new firmware to secure...
Hello,
I am now working on a product concept which uses RTC module to retain date and time. To speed up the development, I started with ble_sdk_app_template and I am modifying...
We're using nRF52840 with S140 SoftDevice (version 7.0.1) and 16.0.0 SDK. When USB cable is connected before USB initialization we receive correctly APP_USBD_EVT_POWER_READY...
I am very new to the Embedded world and very confused about some stuff, I have searched the internet for 8 hours and then asked here.
I am being assigned to the task of...
Hi!
I'm developing application on nrf52832 development board which will be a work indicator - for office desk ;) Main idea is that i have client based on nRF MCU and desktop...
