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 Everyone,
I am using Martinsbl / nrf5-mpu-examples nrf52-mpu-easydma-using-timers-and-drivers. When I tried to change the TWIM_RX_BUF_WIDTH to get the gyro data, the...
I'm totally new to Nordic solutions. I was programming a lot in assembler in 8051 era 20 years ago. Now I feel lost in that new solutions.
I have PCA10040. It is connected...
Hi everybody
I'm working on an application where I want to sample microphone data with the adc (NRF52 DK board, nRF52832) and send it over BLE to a central device. I've...
Hello, we just made a raw board with the MDBT40, which use a nrf51422 chip. I downloaded SDK version v12.3.0 (which supports nrf51) on the nordic website. With nrfGoStudio...
Hello, I am trying to use the 'nrf51-pwm-library ' on mBed with a nrf51822 on RedBearLab Nano.
I copied the nrf_pwm.h/c files and they compile, but I never get any sort...
Hello everybody ! Designing with the development board nRF52832 and SDK14.2.
My code is based on the code of the "ble_app_multilink_central" on which, I added some of the...
Hi
in pcb designing of the nrf52832 we use two oscillators one is 32 MHz and another one is 32 kHz.
can't we use both 32 kHz instead of one 32 MHz for saving power consumption...
I write the code base the nRF5_SDK_12.1.0_0d23e2a\examples\ble_peripheral\ble_app_uart
I add some button and led function in it.
and add weight measure mode with HX711,...
Hello World...
I wanna share with my new progress to implement machine learning for nRF51822. Here it is how to make it possible. after questioning to forum that using machine...
hi,
I want to know why app_timer and nrf_drv_timer conflict。App_timer is used to broadcast data。When App_timer time out ,timer1 start.
Cannot broadcast data after initializing...
Hello everyone,
I generate an interruption when an rising edge is detected on one of my I/O.
It seems that the interruption doesn't trigger correctly for an input frequency...
Hi,
(SDK 14.2, S140 V5.0-2.alpha)
I'm working on a ble project that includes to verify mac addresses.
For the Bluetooth SIG specs, when a device has a public adress...
I just update my sdk to 15.0.0, which use the softdevice s132_nrf_6.0.0. but when I try to generate the application package, I found the nrfutil do not give the sd-req code...
Hi,
Where the Firmware is being stored in the flash??
In which address of the flash the firmware is being stored when i flash the code??
In what file type ,the firmware...
