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!
Just have a look at this beautiful drawing. (Red: what has to be done. Black: Can it be done this way?)
I only have some rudimental experiences in...
Hello! I trying to send message from peripheral to central. On peripheral characteristics are changes with delay. To change characteristics I use this function:
void send_char_data...
Im using the PCA10031. Placed it in the my laptop usb and installed the nRF go and keil mdk arm and nrf51 sdk.
Using the pack installer, which example should I use to be...
Hi,
Can anyone tell me, how the handle value is assigned for a profile. In my master control panel i can see the handle values assigned for every services, but it is not...
Use the beacon want to send with the temperature and remaining battery power.
But beacon of UUID, Major, Minor, Type, etc. The only information in the beacon 26Byte.
...
Hello,
We are developing an application which is using the app_scheduler (especially to put events etc.)
It seems that sometimes (very rarely) we detected a Hard Fault...
I have 4 buttons in my circuit with a nRF51822QQAC (a RAYTAC MDBT40 module on a custom PCB), I am using a very simple printf to check which ones are pressed, the internal...
I've followed this for assistance, but I'm stuck:
https://devzone.nordicsemi.com/question/17846/nonvolatile-memory-access/
I can read from flash, but I can't write to...
Hi
I wrote a softdevice, bootloader and application using the nRFgo Studio.
When I turn on the device, bootloader_settings_t is all 0xFF so bootloader_app_is_valid returns...
I went to so many references and definitions of variables and functions but I can't seem to find where is decided to use either spi_master_0 or 1.. where is this magic config...
I am a freshman. And I am doing some research on BTLE by nRF51822-EK. I want to get RSSI. Could you please tell me if there is a reference code or project in SDK? Is there...
Hey,
For my project I wrote and tested (w/ nRF51 DK) all firmware in mbed. I also made a custom PCB w/ the nRF51822 CEAA chip based on the 4 layer reference design provided...
HI,all!
I want to know if BLE can send data to APP in form of String instead of Byte?(the examples all send in form of byte )
If it does can, can you mainly introduce...
Hey everyone,
I'm trying to print floating point numbers to the UART to debug my application. I know the nrf51 is doing the operations correctly because if I convert the...
