Hi,
I want to send data from one peripheral(nRF51 DK) to multiple Android Phones. This will be a one way connection from the peripheral to the smartphones. I red on the...
I am working on "nRF51_SDK_8.1.0_b6ed55fnnn\examples\ble_central_and_peripheral\experimental
\app_s130_demo\pca10028\s130\arm4" project .
In this project,in which variable...
Or is there any LCD you could suggest that doesn't need that much code? Simple numeric 2rows would be enough. Want to use it with the nRF51-DK to display some measured valued...
I would like to develop my own central device to communicate with the RedBear Arduino shield. The RB device uses a from of UART communications to send data to/from Android...
I was wanting to use a nRF24L01 with a breadboard but its pin-out didn't allow it. A solution then occurred to me based on parts at hand. I wrote it up with instructions and...
Hello. Can I get a literature to the nRF51 series?
I need a full abstraction of the nRF51, like a book or other information, it's structure schematic of build-in modules...
hts, HTC phone, nrf tools HTM, nrf51822,
every time when it's power up :
the once connect: error code 0x7A cann't read characteristic and 0x14 state change.
the second...
Dears:
I'm using nRF51822 with softdevice S110 . And I want to know, how can I switch the communication mode betwean BLE and 2.4 G ?
If possible, could you provide me...
According to ble specification [1] and based on my test with iOS, the cts_c library seems to have bugs on a process decoding adjust reason data.
Here is a simple diffs...
Hi,
I want to run the experimental_ble_app_uart application on our custom nRF51822 board.
However, I could not find a proper bootloader to start the application. Is...
Hello everyone,
I have a nrf51822 dev board which cannot program because of Keil is giving me errors which I detail here.
I'm using Keil uVision 5.14 and as you can...
In my current design, for the schematic and layout I've copied the design of the first version of the usb-stick with meander-antenna and matching network/balun. In the later...
Hi,
I have been programming PCA10028 using these commands for a while without any problem:
$ JLinkExe -device nrf51822_xxaa -if swd -speed 4000
J-Link>loadbin s110_nrf51822_7...
hello,
I am using S130 softdevice in nRF51822 DK. I made one device as peripheral and other as central. My peripheral is acting as GATT client and central as GATT server...
Hi everybody,
I test the pstorage library. But it didn't work. I print the result with uart, as the image shows. But as you see, It has some problem. And I have no idea...
Hi sir
If nRF51822 unexpectedly enter DFU OTA mode, did boot loader have timeout counting to exit DFU?
Besides, if nRF51822 entered DFU mode and didn't update new firmware...
Hi all,
This 60-second limit is not enough for us. Our application is 48 kB & takes 35 seconds to upload. It should be enough, but the problem is that our iOs app does...
Hi All,
I use S120 device to monitor advertising and output the mac address,RSSI information via UART to PC terminal. The PC terminal can receive data continusly from the...
I found ble_dfu.py referenced in some posts to help automate the generation of an application.dat metadata file used (along with the application.hex file) to create the input...
in the code below, the keil IDE is flagging with red squiggly APP_BUTTON_INIT, claiming that it is an undefined symbol. It also says that this implicit declaration of 'APP_BUTTON_INIT...
Hello all.
while trying to calculate the data rate from bluetooth low energy , i have two questions
Is there a possibility to measure the data rate by using nrf sniffer...
I have an algorithm which does quite a bit of number crunching. I'd like to know how many clock or instruction cycles this algorithm is using. How can I get or calculate the...
