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 bought a EV board below to develop in the nRF51822
( www.wvshare.com/.../BLE400.htm)
I have installed all necessary tools like Keil MDK-ARM, J-Link, nRF51 SDK and nRFgo...
Hello Everyone ,
I am using ble stack S110 , BATTERY SERVICE , my CUSTOM SERVICE and pstorage module in my application and using SDK 7.0.0 and keil 5.12 IDE .whenever a server...
Hi
We are making a product based on nRF51822 and have used the ST BAL-NRF01D3 balun, but due to lack of updated datasheets for the balun we are unable to determine if it...
my dk board : nrf51422 and nrf 52382,
the central role : nrf51422, and the peripheral role is 52382.
my sdk version : 52422 is 10.0.0 and 0.9.2 for 52382
the project...
Hello,
I would like to make an iOS app read BLE advertising packets (sent by nRF51) in background mode. The nRF51 sends ADV_SCAN_IND packets and is not connectable.
...
Hello,
I am trying to make battery service in my application so i refer the proximity example in SDK 9 and i flashed into my kit it showing always 100percent in the nordic...
Hello,
I have searched through the questions regarding RF PA recommendations but I think none solved my issue.
I would like the nRF51822 to broadcast at +10dBm, so I...
Hello to all,
i'm new to nRF51822 ble developing but have experience with embedded design on various microcontroller;
I have a little problem inside bootloader code: in...
Dear Nordic Support Team,
In previous SDK (6-7) I used to always call softdevice functions when possible/existing to keep compatibility with BLE.
For exemple, PPI functions...
Hi,all.i want to use nrf51822 to drive brushless DC motor and need use 6 pwm signals.Can i generate these signals with nrf51822? Thanks for your reply!
When calling sd_ble_uuid_encode() I get NRF_ERROR_INVALID_PARAM in one project while in another I get NRF_SUCCESS with the same params on same SoftDevice(S110 8.0.0) on same...
Hi,
Can a peripheral choose among multiple central?
Consider a situation where I have a 3 centrals.
Lets say CentralA, CentralB and CentralC with,
CentralA - High...
I am really puzzled by this and although I've read all the relevant answers in the Q/A I'm still unable to do the following:
do non-selective scanning with central device...
i can not re-download application by keil4
i download softdevice and the application to Equipment by nrf51422 then it can works
but when i disconnect usb line and connect...
i want to use codeblocks to compile and download program to nrf51422
so i try to compile example in keil/ARM by codeblocks
then it always show up error
like this
" C:...