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...
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...
How do you setup "immediate Service Alert" Client on iOS, in order to get notified when an action is taken on the bluetooth peripheral ? (eg. Button press)
Hi all, I have an nRF52832 which is woken up every 15 seconds by an RTC to check for ESB broadcasts. The nRF52 will be powered continuously until the battery runs out, so...
I want to use AES ECB block present on nrf51 and nrf52 boards for resolvable private address (RPA) generation.
Are there any measurements about how much battery the...
I have an iot/coap environment setup and i want to read input voltage connected to p0.01.I can read the input in terms of resolution(0-1023).I can convert this values to voltage...
I have a project where I need both TWI instances as well as an SPI instance to be used with sdcard and fatfs libraries. When I try to compile I get the error: SPI1_TWI1_IRQHandler...
hi,everyone,I want to ask who know why sdk11.0 ble_ancs push message without push App Identifier?I look at the print, push the news started with tittle ,and the "p_attr -...
Hi!
I'm trying to use a custom made whitelist with my scanning device, but no data is arriving.
Is there something I need to do at the advertising devices? Here is the...
Hi, I have a custom board based around the nRF51822 which I programmed via SWD with the ble_app_hrs_pca10028_s130.hex image provided in the SDK, however when checking with...
Hi,
After successfully managing to preserve our devices bonding information (and custom app context data) across DFU updates, we have a few related questions.
I should...
Hello everbody,
I made some current measurements with mit DK nRF52 and the nRF52832 Chip.
Everythings works fine, but I always get "peaks", as you can see on the Picture...
I am using nRF52 pca10400 and I would sample some audio signal for short periods of time, but I found a lot of difficulties with the SAADC example from sdk 13, since if I...
Hi,
I want to collect sensor-data, save it to flash and access it later.
I´m not quite familiar with ways to save data and get a little bit confused by the fds library...
Hi,
We are currently facing this issue, where after a DFU application firmware update (or bootloader update) the bonding information gets wiped out.
We are using a custom...
Hi,
I'm trying to control LSM6DS3 by TWI communication.
Slave address of the chip is 0xD4 when SDO/SA0 pin is low.
I'm using SDK13.0.0.
My code is like below.
...
