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 working on a project which requires radio transmitter and receiver to work in sync with the SPI. So the setup is as follows the Transmitter transmits a signal...
Hi,
I am trying to write my own dfu updater for the NRF51 chip and I am stuck trying to make sense of the actual DFU sequence described here infocenter.nordicsemi.com/index...
I am trying to set up mqtt between 2 nrf52s and rpi3 with the examples of sdk 15.0.2. I am very new to nrf52, rpi3 and networking. I have read everything needed as much as...
Let's send a string over UART. RTS signal will go low (active). So far, so good.
The problem is that RTS remains active even after sending is done. And because it is still...
I have two boards. I ran the exact same commands on both boards. The commands flash the same bootloader+app+softdevice+app settings hex file. One board reboots into the application...
Hello,
Setup: Running Ubuntu 18.04 inside Windows Host (using VMWare).
Device: nrf52840DK
Operating System (used for development): RIOT
I would like to communicate...
Hi,
I am running IoT LWM2m example. Everything were going fine since yesterday. when I do hcitool lescan, i see following output:
hcitool lescan LE Scan ... 28:45:8B...
I am using the ble_blinky example (s132) and want to increase the number of characteristics. I get the error code 4. I think the storage capacity is not the reason why I can...
Hi Team Nordic,
I started developing a project using SDK 15 using DK nrf52840 .
I went through several threads and started by creating a test folder inside example directory...
Hello,
I have the proximity example updating the battery service value fine using the provided nrf_drv_saadc.h driver. When converting the saadc driver to NRFX (nrfx_saadc...
Currently, I am able to use Mqtt Publisher or Subscriber with only one Nrf52 device. I can ping to the device with link-local address.
I am using Nrf52832 with SoftDevice...
Hi,
It seems to me that unused GPIO pins can stay float. However, earlier questions made me less confident.
Is firmware setting is enough?
Thanks,
Daniel
1. Is it reasonable easy to get a stable throughput over 1Mbps at a 3 meters range? 2. How much CPU resource is available at above situation? Or how many DMIPS is left at...
Hi
I am working with S130, sdk12.3 NRF51422_xxac
I have been successfully testing bootloader DFU example (secure_dfu_secure_dfu_ble_s130_pca10028) on the NRF51 dongle...
