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...
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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...
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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...
i made this project to try to create RSC service on arduino
developer.bluetooth.org/.../runningspeedandcadence.zip
unfortunately the server starts but i'm not able to...
Hello,
Could someone give me a hint with the following problem?
I am using two example projects (ble_app_uart_c, ble_app_hrs) to connect a central and a peripheral.
An...
Hi,
In my project, I use SPIM4 to access sd card . It is worked well. Then ,I optimizing power of sd card. The power of my sd card is controlled by LDO.The LDO is enabled...
I'm browsing the Application Event Manager code, and I'm wondering:
I see that struct event_type has (effectively) an array of struct event_subscriber , bounded by pointers...
Hi,
I am using SDK 2.0.0.
I have two problems in this function.
Lets take Vt value as 1420, in one instance.
1. RT2 is calculated as 5076.14. This is incorrect....
I have been trying to implement the IPC code given in to send an event from the network core to the application core. I added CONFIG_NRFX_IPC=y the prj.conf for both cores...
I am working with a board one of my peers designed that hopes to use an NRF9160 for cellular communication (and GPS as well but that's neither here nor there). When setting...
Dear all,
I have pca10059 nrf52480 dongle which I accidentally erased and I could not upload any elf file to run moreover it was not blinking red anymore, no presence in...
my master is outputting all the right signals on the SPI lines. The slave though, although it appears ot recognize the CSN pin and runs the spi_tranceieve function. It does...
Hi
I'm trying to send and receive data with MQTT.
I tried uploading asset trackerV2 bin file and it works fine with nrf cloud.
now I want to use the sample "MQTT_simple...
Hi there,
We have recently acquired some new nrf5340DK's and we suddenly noted that the SYSTEM ON LOW POWER current increased from about 5 uA to about 25 uA.
Attached...
Hello guys
We have a problem with the SPI bus driver on the nRF9160 MCU. In our project, we use SPI1 and SPI3 instances.
When I send a package in some of these SPI busses...
Hello, after the excellent Nordic Techtour yesterday, I decided to try and implement the nordic distance toolbox.
However, my available hardware (52DK) is not supported...
Hi!
I'm developing a project on visual studio with ncs sdk V1.8.0. For a while, I was able to debug my project with no problem. But out of the blue, I'm no longer able to...
Hello,
While working on optimizing battery life, i noticed something strange.. This particular code actually does almost nothing other than setting low power mode (instead...
I'm trying to view core dumps on Memfault's web app, and having trouble doing so. I can't even see hard faults being logged even though I know they're occurring (forcing stack...
in the nRF52840, SPIM3 allows for high speed >4MHz communication. But I cannot see if there are dedicated pins specific to this mode, or can i map any pin to the SPIM3 high...