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...
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...
I am starting a new project using SDK 17.0.2, DK52 dev board and Segger embedded Studio.
To create the new project I started from ble_app_buttonless_dfu and commented out...
I got the update notice for 3.6.1, the install gets to around 33% then just sits there. This happens both with upgrade and with clean install for me, I left it to hang for...
Hi all,
in my current platform I have:
a DK (we are working to implement HW modifications to use a nrf52 dongle for this purpose) that is performing as a Thread DFU...
Hello,
I am currently trying out the assert mechanism of Zephyr.
I have added CONFIG_ASSERT=y to my prj.conf file and included " sys/__assert.h " in my main.c .
My program...
Hi,
May I ask what's the minimum reference circuitry for running nrf52840 without RF? Thanks.
My scenario is as follows.
1) RF, eg, Antenna is not needed
2) GPIOTE...
Hi,
I'm developing a CENTRAL using 52832 to connect a earphone.
1.When I enable LESC, the pair fails with the AUTH_NOT_SUPP error. Why ?
What I think if the earphone...
Hi.
I'm trying to use direct advertising to connect only with devices that have already been paired.
When I start direct advertising, I get a app_error_fault_handler...
Hello,
I am using nrf52832 and I just have 3 questions regarding it.
1) SAADC change over temperature. According to the datasheet, it has a change of 0.02%/C but I only...
Short version: can I use a pin both as a GPIO input to trigger GPIOTE PPI event, and as SPI MISO *at the same time*?
Detailed version:
I want to use the SPI peripheral...
Hello everyone. I want to turn the LED on and off with the push button, if I want to hold it down after 3 seconds the LED will turn off, if it has been pressed for less than...
Hello
I am trying to port a custom project for nRF52840 from Keil to Segger Embedded Studio -uVision V5.33.0.0 -Armcc V5.06 update 7 (960) -SDK 15.2.0 -Device Familly...
SDK version: SDK17.0
We have low received radio message count with open USB CDC compared to when it is closed.
The low rx varies from 20% to 50%.
USB open = screen...
Hello!
what command should I send via BLE to disable the pressure, gas, and light/color intensity sensor?
In this documentation: nordicsemiconductor.github.io/.../firmware_architecture...
