I'm trying to use the nrf8001 (and arduino) to send MIDI (musical note data) to Mac OSX. According to the Apple developer site the midi profile requires that the characteristic...
I have a custom made board that has an EFM32WG360F256 communicating to an nRF8001, verified that the ACI protocol works with repeated echos, however when I run the efm_ble_my_project_template...
Hi,
I have 3 nRF51 DK pca10028 v1.1.0
I compiled and run power profiling example and after that I cannot flash or connect to the devices (tested in all three of them)...
Hi Guys,
Thanks for your precious time and insight. Let me try to explain what we did,
We have developed a custom board
After assembling the board, we do a bare board...
Hello all, this tutorial goes to a fellow named Emil who helped me with this project.
Number 1_ Make sure you set up the terminal viewer For debugging with real.You need...
Seeing recent response to my original question on multiple chip selects, I've opted to share a modification to spi_master that I've implemented in part to make handling some...
What is the official status of the Softdevice Serialization for S130 in SDK 9? I could see an older answer on how that was removed in SDK 8 but since almost half year has...
Hello everyone,
I have tested my prototype on nRF52840 but the board is pretty big and I want to do a product pilot with a custom hardware of mine. Now I know that the...
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...
