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 getting started with nrf51 DK.
I followed with many blogs.
I checked errors, and fixed. And I builded the example 'blinky'
But my nrf51 is not blinked.....
Hi all,
I am doing the PTS and meet some issues here:
Using the SDK 8.0 KB demo with SD8.0;
Do the profile test with PTS dongle and tool, and return errors on...
Hello everybody,
I'm using NRF Beacon (51822) board, sdk 6.1.0.0 and s110, problem is when I enable whitelist and add the Bluetooth address of my phone( 74:51:BA:F7:60:9F...
In my bootloader I'm using sd_flash_page_erase() directly without pstorage.
The flash erase performance is exceedingly slow. It is taking 13.187 seconds to erase 132 pages...
Hello!
We are thinking about creating some devices for Apple HomeKit.
But devices for HomeKit have to go through one thing: Apple certification. And one part of the certification...
Hi
Maybe silly question:
I was wondering: if I cast a pointer to a uint32_t to an array "buff" of uint8_t, what is held in buff[0], MSByte or LSByte?
Or in other words...
Having just upgraded to the Soft Device 6.0.0 and SDK 5.1.0, I can no longer flash my nRF51822 from Keil. I get this in the Keil console:
Load "C:\\Users\\Eliot\\dev\\nrf51_sdk...
Hi,
I'm designing a four layer flex PCB with the nRF51822-CFAC and recommended ST BAL-NRF02D3 balun and PCB trace antenna (not chip). I have a couple of questions.
...
Greetings,
Using the "central multilink" example project, how do I stop scanning if no advertisers are found? I see a case BLE_GAP_EVT_TIMEOUT in function on_ble_evt() but...
Hello
I found similar questions but no answer?
In the manual is written that I can control the parity bit in manual mode with the TXPARITY register but I can not find how...
what may be the reason for app_assert _callback error in s130,ble_central_and_peripheral that occurs from the following 2 lines
sd_softdevice_enable((uint32_t)NRF_CLOCK_LFCLKSRC_XTAL_75_PPM...
I have Rezence SDK working well with Keil uversion with wired and wireless debug without any issues on either nRF51 and nrf51822 DKs. When I port the project to Eclipse with...
Using the bootloader example code in SDK 8.1.0 for gcc, roughly how long does it take from power on to the call to bootloader_app_start()?
My device is motion activated...
Hi,
I have nrf51dk and analog EKG sensor. I know that ble_app_hrs allows to get R-R interval, but in my application i need to get also R-S and R-T intervals (or just R...
