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...
Hello,
I have include stdio.h library file and configure uart . Used printf to print data over uart to terminal.
Now I wants same thing reverse get data(scanf) from terminal...
i have ble running perfect in nrf51422 until i turn timer 2 on and this is code for init timer2
void timer2_init(void)
{
NRF_TIMER2->MODE = TIMER_MODE_MODE_Timer;
...
I am running ble_uart_app in SDK_11 s130 on nRF51-dk
I am trying to detect certain pattern received in the UART Rx.
Here is my code.
void uart_event_handle(app_uart_evt_t...
I'm running SPI master (spi_master_tx_rx) at 4MHz for multi byte burst reads. As seen in the attached screenshot there are 5.5µs delays between the bytes. The delays increase...
hello there ,I am writing spi code for slave which has 19 bytes of data. my nrf51 is master.
now my slave has clock polarity =1, clock phase =1. i am uploading project...
Hi All,
I'm trying to test the ble_app_hrs_rscs_relay example on an nRF51822 (256 Ko flash / 16 Ko RAM) with the softdevice s130 but unfortunately the program is not being...
I am using ble_uart_app on SDK_11 nRF51-dk s130.
I would like to send binary hex data instead of ASCII. Looking at ble_nus_string_send(), it seems that sending binary hex...
Hi ,
Recently started working on nRF52832 and tried implementing its various applications for NFC, which includes URL, android application, name tags. Can anyone suggest...
As part of some testing, I downloaded some wrong files and seem to have contaminated the default boot files. So now when I try to download the NORDIC hex files, i get an error...
Hi ,
We are using NRF52, S132 softdevice ... Whenever we do hard reset everything works fine .. But if I do flash from my IDE (using eclipse,this is a soft reset) and it...
I have a hard time to initial a twi ,I reference the example in the SDK11.0，and I used the board is 10040,I copy the example twi sensor code in my project ,but there is an...
I'm getting the error code 0x4001 from sd_clock_hfclk_request and I can't find where the error codes are defined/explained for this function. Can someone point me in the right...
Hi,
With the following program running, how can I achieve the lowest power consumption between timer events:
nRF Timer is running with the HF crystal requested
...
51822, config a pin as output , in the param , set disconnect or connect the input pin, when config as output ,what mean disconnct/connect input pin?
I use a pin to light...
