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...
Hello,
I am trying to create a custom driver for an accelerometer I have sourced. I am using the nrf5340-dk.
The code was not able to compile as a result of the following...
Following function implementation is not following POSIX documentation specified at https://pubs.opengroup.org/onlinepubs/9699919799/functions/getaddrinfo.html, which says...
Hello Nordic Semi
I know that nrf52832 does not support SPH0645 Mic on I2S interface because of data width limitation in hardware for nrf52832.
I want to know that does...
Hello,
I'm using the mqtt_simple example with the following changes to add WebSockets Secure Support:
Also I set the Application MQTT topics, clientId, host, port...
Hi,
I have multiple devices that support Nordic DFU.
I want to update them using a Linux computer with a bluetooth dongle connected on it (and its not a Nordic Device...
Hi, There,
About the interrupt priority, can I understand it like this? "The two levels: NRF_MESH_IRQ_PRIORITY_LOWEST and NRF_MESH_IRQ_PRIORITY_THREAD have the same functions...
Hi Devzone,
I know that we can adjust "Advertising interval", "Tx power", "Tx payload" to do a power optimization when advertising. But I when I set " Advertising interval...
Hello,
I am trying to decrease the power consumption of my board (nRF52 DK) so that I can only see what's consumed in advertising beacon demo. When I measured the current...
Hi everyone,
I have a board based on thingy91. I have lis2dh and adxl372 sensors on it. They are both connected via SPI, and I've added this to my overlay file:
Also...
Hi,All:
I have finished continuous unmodulated carrier by SD fuctions as below.It is more efficent than DTM examples。But now,I don't know how to ctreat continuous modulated...
Hi,
I would to design a custom PCB with nRF52840 SOC.
I have two different power source:
1. 3V Lithium coin cell
2. 3.7V LiPO battery with charging circuitry
I will...
Hi,
I have a quetion,nRF5340 have two package, so have two diference RF circuit,as below picture,Why are the matching circuits different?
Package is QKAA aQFN94
...
Hello,
I am running ble_app_beacon on nRF52 DK. To check functionality, I try with all power sources in turn, i.e. USB cable, battery and external source. Today I realized...
Hi, I would like a more complete description of nrF52833-QIAA pins. I tried to find the specifications, but I did not find the information I wanted. I only saw some simple...
