I am trying to find out the part number of the antenna (I assume it is a PCB antenna) used in the nRF51 DK ( www.nordicsemi.com/.../nRF51-DK) . I found a lot of similar questions...
Hi.
I am using the NRF52 Development board, on Keil uVision, to implement a C program that uses Dynamic Structs. The Structs re-size themselves ( by increasing their capacity...
Hello,
I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode.
Pulses are asynchronous
The rate of pulses can...
Hi
I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52.
Both the reference resistor and the PT-100 is sampled while the voltage...
Hi
I have been searching the forums, but were not able to find an answer to my question.
I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
Hi
I have been trying to get two NRF24L01 chips communicate with each other since a week now, without much success. All what I can find on the net is Arduino examples using...
Hi
I have done several projects with the nRF905. I know the device quite well. Normally I use the CD, AM and DR interrupt pins to determine the status of the device, my current...
Hi ,
Have a problem,pls help
Software: nRF5_SDK_15.3.0 (ble_app_hrs_freertos)
Hardware: nRF52832
In the User Appication Code,Using CRITICAL_REGION_ENTER()/EXIT(...
Hi,
I use nrf52840, I meet some problems about the USBD, Can you help me?
We know that the usb device send data to host(such as PC) by EPIN：
(1) The host send IN event...
I am trying to setup NRF Sniffer for 802.15.4 using nordic board PCA10056. When the capture is started on Wireshark, the capture starts but the sniffer doesn't seem to capture...
Dear Nordic:
I pretend to develop a tool to search all surrounding Ant+ sensors and list them. User can choose target sensor then he can see the sensor data.
I expect...
Hi all,
We are currently working on an application that uses the timeslot API, and requests timeslots spaced 20ms apart.
In our application we need to trigger some functions...
I observe that when I use a phone to read NFC NDEF data on my nrf52832 based board, the result returns an empty record or just returns partial information about the tag such...
Hi, Please have a look and let me know about it.
This board is two layers and i used chip antenna. I would like to ask you, Is this design is correct? How can i plan with...
I have an ongoing issue with using the Keil compiler and the supplied examples.
There has been some email correspondence which is detailed below:-
Hi David,
I have...
Hi
I am reading the sensor data (Irms and Vrms) via I2C protocol and multiplying the read data with 0.000030517578125 to get correct result but i am getting the result as...
Hi:
I use nRF5_SDK_16.0.0_98a08e2\examples\peripheral\usbd_ble_uart_freertos.Error:Unknown USB device (device descriptor request failed).
I use nRF5_SDK_15.2.0_9412b96...
I'm trying to add a SPI driver to the ble_app_uart_c example. For now, I'm just trying to make this driver shoot out a SPI transaction every time I click a button on the dev...
Hi,
I am trying the freertos on my project with nrf52840, sdk14.00, s140_nrf52840_5.0.0-2.alpha_softdevice.
As i can see, there were no example codes for 52840 in the...
hi
I`m debugging the nrf52840 on the pcb I made and have some problem
I know Reset pin is P0.18 of nrf52840 but 3.3V was not measured. So the reset pin does not work....
As mentioned in this article are these vulnerabilities addressed in Nordic Semiconductor's products?
https://thehackernews.com/2020/02/hacking-bluetooth-vulnerabilities...
