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 All,
I have a problem when enabling the NFC tag t2t with the soft device S140 with 52840.
I can run the NFC example project 'nRF5_SDK_15.3.0_59ac345\examples\nfc\record_urlrecord_url...
Hello,
I tried to build the SDK ble_app_beacon example for nRF51 using SES. SES version I used is V4.12 (for Windows 64 bit) and SDK version is 12.3.0.
I closely followed...
Hello,
Background:
I am using nRF52832 with SDK 15.3, SES v4.12. I want to perform OTA updates on the application i am building but i am having issues with it. I was using...
I'm not sure how often the Cortex-M4(F) design from ARM is updated, but what is version used in Nordic nRF52810/52832 devices? I want to know what ARM documentation version...
I can successfully download an image using nrfutil dfu serial when I use a test image (compiling the bootloader with the Nordic default public key) and the application starts...
Hi,
My requirement is to validate the PCA10040 dev board with a different set of UART pins. I have tried the following steps, but as soon as I start the firmware, it crashes...
Hello, I am new to BLE development and RF design. I've been doing as much reading as I can about RF design rules for PCB's, antenna performance, etc. Yet I am still uncertain...
I am trying to get a BMX160 working over SPI. I was following this post to make this code using the SPI example from the SDK as a basis. I am using SDK 15.3 with a nRF52840...
The app is foreground -> I am very easily connected with BLE device.
The app is in the background -> I get the callback and connect with the BLE device
The app is removed...
Hello.
I'm trying to get the example bootloader Segger project (secure_bootloader_ble_s132_pca10040) running on a custom board I have that uses the nRF52832 as its core...
I am working on nRF9160 and i found that when i change prj.conf, i need to rebuild code. if rebuild is not done(only build is done), changes made in prj.conf does not comes...
Hi
I'm currently evaluating the possibility of using nRF5340 in an upcoming project. As the chip is very new it's easy to understand that all specifications are not yet...
Hello, I am using nRF SDK for Mesh 3.1 and nRF52940 SoC. I have two nodes in my network which both act as a client and a server. Both of them subscribes and publishes to same...
Hi,
I am working with ANT bpwr tx profile and trying to implement HX711 and TWI sensor to it. TWI sensor is already working, but when I add library for HX711 from and start...
Hello,
It would be nice if the HVN tx complete event structure had the attribute handle of the characteristic that was just notified. This is already done for writes and...