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...
Hey. I want to wake my s110 device every 30-40 second to advertise for a few seconds only. Is there an example on this or if someone could guide me in the right direction...
Hi all,
I need to using NRF51822 as a clock: second, min, hour, date.... I know I only use RTC as a timer 1s. When NRF51822 power off then time was lost. So, I must be...
Hello,
I have some problem with a specific phone. I try to connect with the nrf52832 using samsung S3 with android version 5.1, the connection takes 20 - 50 seconds and...
Hi,
I am very new to nrf51822 controller. I Used STM32 cortex controller's.
I want to know basic hardware which are the require to start nrf51822 working and programming...
The example nRF51-DK gerbers have solder mask on the PCB antenna. But for the nRF24L01+ EK gerbers, the PCB antenna has the solder mask removed partially, along the length...
Hi,
I downloaded the nrF5 SDK V12.2 from:
www.nordicsemi.com/.../nRF5-SDK
after unzip, I could see the SDCard library under "\nRF5_SDK_12.2.0_f012efa\components\libraries...
Following III. Example code and Enabling whitelisting ,
I try to connect to the "nRF52 DK" board with a whitelist (Android BLE device address),
but I've never connected...
1、I use SDK9.0 ANCS project, the position is as follows:
SDK9.0\examples\ble_peripheral\ble_app_ancs_c\pca10028\s110\arm4
2、I need a project which is contained with...
hello there,
i am giving external supply to nrf51. my external supply is usb 3.3 v. but when i connect it with nordic and then if i check it on multimeter , it shows me...
Hi all,
Does anyone know how much current is meant to be drawn to discover nearby devices? I guess, in other words, how much current is drawn to put the nRF51822 in discovery...
Hi Sir,
I have a NRF 51822 board & MPU 9250 sensor.
I want to read YAW,PITCH,ROLL,ACC_X,ACC_Y,ACC_Z,GX,GY,GZ,MX,MY,MZ values from MPU Sensor.
Could you please share...
Hi All,
Continuing on with my project: a custom board containing nRF52 + ECG front end.
Successfully integrates SPI functionality; need 2 more interfaces:
32...
Previously you recommended using S132 v4.0.0 2. alpha release to get more than 8 central connections. As far as I know this revision doesn't implement Bluetooth 5.0 protocol...
Hi,
I have written a code which transmits data over BLE.
The board was getting reset.
What we changed is instead of sending application data we sent the RESETREAS register...