I'm trying to design a very low power sensor that takes readings using ADC and SPI 200 times a second. I'm a bit worried by the current EasyDMA uses (1.1mA). As far as I can...
Hi, I am working on a project where I want to make one nrf51288 chip as central hub and connect that to a android phone and other salve nrf51288 .
idea similar to this: ...
Hi,
I have a code programming the nRF51422 development board to write to a Sharp Memory 96x96 pixel LCD screen using SPI.
Currently the code writes two numbers and a...
I've modified the ble_app_uart example by adding GPIOTE so that the transmitter sends a character to the receiver when a GPIO pin is toggled. This part is working well.
...
Hi,
I am working on my hardware product having nRF-51422 chipset. I just came to know from forum post that
nRF-52 chips will get arduino IDE support as standalone. I want...
Hi!
I've been using PCA10028 for a long time and I had some bricking issues but I've managed to un-brick it with "nrfjprog --recover" and everything would work again. ...
I want to build nrftoolbox app in android studio. I downloaded the zip file from the github website and also the required dfu library. I unzipped both the files in a folder...
Yan,
To test my UART program, I'll need a phone which will receive my GATT MTU, such that I can test it.
Do you have such Demo app, preferably for a Windows phone, or...
Is there any simple way of reading analog values from pin. Setting up SAADC is giving too much of errors like command line action failed or any variable is undeclared whose...
Hi,
I'm interfacing a nrf51822 and a H8/3294. My question is how much can I drain a the txd pin of the H8/3294. That means my question isn't really about nrf51822.
In documentation...
hi,
I have several questions regarding the demo.
I tried to load the provided nrf52840_xxaa.hex to PCA100056 with s140 5 alfa, however, no images is transferred ...
Hello,
I tried to use ADC on pin 31 (A7) in my project* and i have something strange. It looks like if my pin is pulled down inside the nRF52. Does someone have any clue...
Hey guys,
I am currently using the proprietary protocol on the micro_esb.c library with the nRF51822. So far everything has been working great, but I am certain my transmission...
Hello,
I'm trying the bootlader of SDK13.1, with SD S132_nrf52_4.0.2
I manage to send a ZIP file to the bootloader, but the application doesn't launch. I've tested with...
Hi,
I measured the current consumption of nRF52DK with the original code of "nRF5_SDK_13.0.0_04a0bfd\examples\ble_peripheral\ble_app_beacon ",
based on the current measurement...
Hi everyone,
I was wondering if anyone benchmarked the time for reading a word from flash on the nRF52840. I was able to find the write/erase time on the specs document...
Hi,
We use the nrf app (Android smartphone) to establish BLE communication with trackers designed with nrf51822.
When trying to connect, sometimes it works, sometimes...
Hello， for the past I've been trying to migrate unsuccessfully my code from nrf51 to nrf52840 S140. Now that I'm unsuccessful, I'm trying to eliminate the possibility of a...
Using FreeRTOS to run nrf_cli. When Serial is not connected (as in RX,TX,GND) the board goes into a reset loop.
There are a few things that seem to help:
Don't run...
hi,
i have tried to write data into flash memory, but i can not, i can read the data from memory.
i had followed your instruction as this link
infocenter.nordicsemi...
In my project, an android phone is needed to connect to two ble devices. All my ble devices are nrf51822. The android phone can connect to and receive data from every device...
