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 want to design a BLE enabled display panel, which is a general purpose panel leverage all kinds of resources from mobile phone, including sensors, interaction, network,...
Since Nordic offers BLE sniffer tools including its hex code, I would like to flash it to my own USB dongle as a test. I insepected the hex code, and found its address starts...
Hi All,
I am new to the nRF processors (but not new to embedded progarming). Trying to use the evaluation board with the examples on the SDK. After realizing the freeware...
Q0. What IRQ Priority does BLE Has? and also what IRQ Priority does UART can have?
I'm guessing that from s130's document P65, Exception Model, It says,
Softdevice Timing...
Hello,
I could not set breakpoint in Eclipse. I set CFLAGS to -O0 and -g3 in Makefile
I am using GNU Tools ARM Embedded 6 2017-q1-update and Eclipse Neon3
Below are...
Hi,
is at the moment possible with S110 (nRF51 SDK) to whitelist only SOME of bonded peers? I need to allow connection from one selected central. Selection is made by user...
As a follow up from devzone.nordicsemi.com/.../ , I am now trying to find out if I am getting all of the memory settings put together correctly. When I have them at higher...
I am using nrf51822, 16K RAM, 256K Flash.
From the movie , there is no way to secure my firmware for DFU. Is there any other way to secure my firmware?
Thank you
I know the many differences coming in bt5. Will the programming concepts be the same in the upcoming 5 version? IF my code is working with ble4.1 will it automatically work...
After a bunch of headache I was able to successfully program with the nRF51822 Development Kit without the nRFgo Starter Kit motherboard, here is how I did it.
Hardware...
I'm working on a design that incorporates an nRF52832 along with some sensors and drivers.
Up to this I've been sacrificing power consumption in prototypes by using LDOs...
Hello,
Is it possible to change SPI baud rate whenever we want?
For example:
The initial SPI baud rate is set to 4M. We want to change the baud rate to "2M" to get...
Hi,
This may be stupid, but I can't declare classes in my .h file in keil. I have arduino library for my I2C device, but keil; does not recognize when I declare classes...
I've looked through and tried many examples on getting my SAADC to produce a temperature offset. About a month ago I had the SAADC working really well with a wheatstone bridge...
Hello,
What changes need to be made to the following tutorial to enable basic advertising with the Rigado BMD-300 on a custom board breakout board?
devzone.nordicsemi...
