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...
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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...
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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...
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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...
hi,
so i was coding my program with keil and it reach the 32kb so i had to move to the free IDE Eclipse. for that i followed this tutorial devzone.nordicsemi.com/.../
...
Hi !
I've seen that the Makefile given with the examples changed a lot between SDK11 and SDK12, lots of improvements ! However there's still something I don't get. Why...
What system resources are required when using GPIOTE channels (not the PORT event, the other channels)?
I remember on the nrf51822 there was a long-running PAN, fixed in...
I programmed nRF51822 with S120 softdevice and ble_app_hrs_c application to scan beacons.
It works fine but have one problem.
It scans beacons for about 10 seconds...
hi,
i am working on ble_app_uart_simple_adc example which is referred from the link github.com/.../nrf51-ADC-examples
i flashed the code successfully. and detecting the...
Running the SDK11 example \examples\peripheral\twi_sensor on a NRF52 PCA10040 version dev board and can't get any output from TWI pins. Leaving pins unconnected and using...
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I am trying to set up the development tools for the NRF52 on my Mac by following this tutorial aaroneiche.com/.../
I am getting the following error when i try to...
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I want to get external acceleration sensor values with SPIM using easyDMA on the sensor interruption (using GPIOTE). then after getting all data, I want to calculate...
Hello,
I have question, I'm actually developing an Android application and try to update the firmware on a device with a DFU process. It work on every mobile device except...
I am using the nrf51422 with softdevice 5144_2.0.1 ,
I set two network number using the "sd_ant_network_address_set" api , network number 0 for ANT+ cadence/heardrate.. network...
Hello,
I was just checking for differences between SDK v11 and v12, more specifically, the differences in the SPI HAL and driver code.
In hal\nrf_spim.h of the v12 SDK...
Hello, I am trying to write some data to the Nrf52, but all I get is a read only response on my phone. Is there any example how to write to the nrf52 tag?
I'm working on a custom bootloader; below is the step taken but it doesn't workout:
By using a working UART example, change the linker script:
MEMORY
{
FLASH...
Hi guys,
I am trying to use pstorage to store a temperature data inside the ROM. I have to use it as efficiently as possible so that 20.000 erase cycles should be enough...