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, I am using nRf52840 and an external winbond flash W25Q128. When accessing the flash, nRF does not find it and starts to reboot. What am I doing wrong? Help me please.
Hi,
I am experimenting with zephyr OS on my nrf52 DK. I want to use the HW AES CCM encryption module available on the board, but I can't figure out how to do this with...
Hallo,
I am developing a custom board, based on Nordic Thingy:91. The custom board won´t support BLE, so the nRF52840 is not intgrated. But Communication with the nRF9160...
Do we have any examples of using tcp in non blocking mode for the NRF9160. I used the USP for PSM example as base for my current project but the blocking call seems to lead...
Hi,
I found some thing not seems to be right in SDK 16. I wonder if this is intentional or a bug. Bluetooth 5 max MTU can be up to 512 bytes. I found the definitions in...
Hello,
I am using nRF52840, SDK_16.0.0, SoftDevice S140 V7.0.1 and Segger for flashing the image. I am using ‘ble_app_blinky’.
I have a use case where peripheral need...
The documentation for ERASEPROTECT.DISABLE states:
The erase protection mechanism can be disabled in order to return a device to factory default settings upon next reset...
Hi All,
I am using nRF52840 chip in one of my battery powered design. As I could see the datasheet and power calculator says the current consumption of nRF is less in...
Sir i am following this link -> https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.iotsdk.v0.9.0%2Fiot_sdk_app_mqtt_publisher.html
and I have one...
Hi! I'm using the fatfs library to read/write data from/to an SD-card. I noticed the following behaviour:
When I try to write or read data directly after receiving a BLE...
Hi All,
I am using nRF52840 in one of our design. As the P0.18 is the RESET pin, it is tough to route the trace without a pad on via. Hence as I have modified my design...
Hi Friend,
My platform is SDK 16 with S140 softdevice.
I set a gpio for edge trigger interrupt. But I cannot get the correct gpio state if the data pulse is too short...
Hello,
I want to test bluetooth on nRF9160DK. How to do that? I programmed nRF52 on nRF9160DK with hci uart sample and board selected is nrf52840_pca10090.
But how to...
I'm currently trying to add SUPL support to our existing product, and I'm finding that the SUPL library is absolutely huge. Enabling CONFIG_SUPL_CLIENT_LIB appears to add...
Was wondering if anyone knew why this fault might be triggered?
It triggers when I try to use SPI0 and LTE together.
AT host is disabled.
The code stops here during...
