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...
Chip: NRF51822
softstack version: 5.2.1
I ran into an issue and i'm trying to understand it better. I was calling the function sd_ble_gatts_value_set(...) from a GPIOTE...
Hello,
We are having some problems with a board that we developed using the NRF51822, see this post: devzone.nordicsemi.com/.../application-halts-on-softdevice-initialize...
New to BLE and nRF51822. I need some explanation and clarification of connections and connection intervals. Can I get a overview of how the nRF51822 or answer some questions...
I get a nrf51422_1.0.0-2.alpha.zip. But why s310_nrf51422_1.0.0-2.alpha_softdevice.hex is bigger than 256K(287K),How can I burn this hex file into the nrf51422 Flash?
Hi,
I am using the nRF51822 evaluation kit, and have been unable to get it working. I compiled the sample BLE Heart Rate sensor program and uploaded it to the evaluation...
Neither in BLE core specification nor in your documentation I found a hint, how the size of white list is defined and what the limits are.
At the Link msdn.microsoft.com...
Hi All,
I am a beginner with nordic nrf 51822. I am confused between so many code development tools.I have a usb based nrf 51822 development board. I prefer to use microsoft...
As far as I know there is a restriction in older bluetooth versions for number of slaves in a star network. 6 slaves can access same master, totally 7 units in a star topology...
Hello everyone,
I've been reading about BLE dev kits lately for one of my projects. I purchased the BLE Mini by RedBear Labs and had a good time with it... till I started...
I have an nRFgo motherboard on which I can set the VTG voltage to anywhere from 1.9V to 3.3V using nRFgo Studio. I'm trying to get a UART connection working to a GSM modem...
can ble_flash_page_erase return an error_code if erase uncuccessful? ble_flash.h show that it can ,but the code of ble_flash.c seem that it can not
uint32_t ble_flash_page_erase...
I am working on a project which is currently based on the nRF51922, and I would like to look at the S310 specification document. I found a link on this page: www.nordicsemi...