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've been using the USB HID Composite example along with the advice from this thread https://devzone.nordicsemi.com/f/nordic-q-a/38271/writing-words-to-usb-composite-keyboard...
Good day
I'm trying to run the ANT IO demo using two nRF52840 DKs. In order to do that I am trying to migrate the example from softdevice s212 to s340. I am currently using...
hi,
i want to connect 18 peripherals to a central. if iam changing NRF_SDH_BLE_CENTRAL_LINK_COUNT and NRF_SDH_BLE_TOTAL_LINK_COUNT more than 8, all peripherals stop pairing...
Hi,
usbd_cdc_acm project implemented UART over usb, which is great. However it cannot send bytes from PC to DK board, only DK board back to PC.
In order to implement sending...
I use the SPIM to access a nand flash memory device. There are times, when I need to "free" the SPI bus allocated by the nRF52840, so that another CPU can access the memory...
I have been closely following this thread ( https://devzone.nordicsemi.com/f/nordic-q-a/52689/nrf9160-lte-sensor-gateway-on-thingy-91/217018 ) to provide support for the LTE...
Hello all,
I am using the NRF52810 board with SDK 14.2
I wanted to convert pca10040 to pca10040e file of buttonless dfu and secure bootloader .
I have gone through this...
Hi, I can read data with my laptop BLE as below.
Could anyone tell me where can I find the data layout doc? I want to figure out the data layout and dimension.
Thanks...
I've been having several issues with the nRF52840 so far:
Issue 1:
When trying to flash an nRF52840 with NCP firmware using a Segger JLink, I connected the SWDIO and...
Hi all,
I noticed an issue on the last release of the NRF Connect mobile app at least on Adroid devices.
It seems that every time I am trying to make a secure DFU (buttonless...
Hey everyone!
How often does PM write into FDS? On each connection? Or on each new bonding? PM has some kind of peer ranking so I suppose that it needs to write on each...
Hi Nordic Forum! I'm currently developing a CLI controlled BLE scanner using the nRF52840 Dongle. Essentially I brought over the CLI example and adapted it to the a central...
Hi
it looks like the Publication Retransmit Count and Interval states default to 1 time and 100ms respectively. Is there a reason these defaults apply? I don't think it...
My thingy:91 does not connect to the LTE network. However it does detect the Swisscom network (Switzerland) and shows it as available. After a few minutes it sometimes changes...