Hi all,
I've developed a broadband vibration energy harvester that is able to pick up uW of energy from just a couple Hz all the way to 150Hz. I'm currently looking for...
We use SDK12.10 Main.c (d:\nordic\5142xx\software\org-sdk12.1\nrf5_sdk_12.1.0_0d23e2a\examples\ble_central_and_peripheral\experimental\ble_app_hrs_rscs_relay.
My question...
Solved: Well, turns out delay and SCK doesnt work well together haha. I imagined the sck signal to be a background thread of some sort. I was wrong.
Hi guys,
at the...
Hi
Im looking for a developer in Denmark to discuss ble technology with. Im trying to get better to understand the technology, because i have some ideas involving beacons...
This system does not work if I enable the third Pipe (Pipe2) .
The system is working without any problem as one RX and two TX (Pipe0 and Pipe1).
The problem on enabling...
Hello,
i have read if not all posts about writing to FLASH while using BLE. But could not find the desirable method.
What i would like to do is to write to flash from...
Hello,
i have read all posts about writing to FLASH when using BLE. But could not find the desirable method.
What i would like to do is to write to flash from characteristic...
hi, I am very new to ble and I am trying to download softdevice S110 to my Yunjia NRF51822 board. I am using J LINK connected to my linux PC to download the softdevice to...
Hi:
I used a design with nRF51822-QFAA+BAL-nrf01D3+Pi-network+SMD chip antenna,but it didn t work well.I tested the VDD_PA Pin ,it didn t have a 1.6V voltage(datasheet),that...
Hello,
I am trying to adapt a bootloader from sdk examples to my nRF51822 board without success.
I am able to adapt the example apps from the SDK (I have to change the...
I want to use ble_app_multilink_central example but can't work.
NRF1422
QFACA10
PCA10028
already program softDevice S120 and use Keil C to download ble_app_multilink_central...
I'm trying to use gpreg for state across toggles of nRESET. I thought it was working, but when I tested it on hardware without jtag connected it seemed that gpreg was getting...
Hello,
Finally, after some struggle, I achieved to port the bootloader to s120 V2.1.0 and work just great on a dev. board with nRF51422. But now I have another problem...
Hi, i hope i'm not duplicating any questions, but i couldn't find a similar one.
I worked with other ARM micros in both mbed and Keil before, but i'm new to Nordic Semiconductor...
Hello,
I getting started with nrf51 DK.
I followed with many blogs.
I checked errors, and fixed. And I builded the example 'blinky'
But my nrf51 is not blinked.....
Hi all,
I am doing the PTS and meet some issues here:
Using the SDK 8.0 KB demo with SD8.0;
Do the profile test with PTS dongle and tool, and return errors on...
Hello everybody,
I'm using NRF Beacon (51822) board, sdk 6.1.0.0 and s110, problem is when I enable whitelist and add the Bluetooth address of my phone( 74:51:BA:F7:60:9F...
In my bootloader I'm using sd_flash_page_erase() directly without pstorage.
The flash erase performance is exceedingly slow. It is taking 13.187 seconds to erase 132 pages...
Hello!
We are thinking about creating some devices for Apple HomeKit.
But devices for HomeKit have to go through one thing: Apple certification. And one part of the certification...
Hi
Maybe silly question:
I was wondering: if I cast a pointer to a uint32_t to an array "buff" of uint8_t, what is held in buff[0], MSByte or LSByte?
Or in other words...
Having just upgraded to the Soft Device 6.0.0 and SDK 5.1.0, I can no longer flash my nRF51822 from Keil. I get this in the Keil console:
Load "C:\\Users\\Eliot\\dev\\nrf51_sdk...
Hi,
I'm designing a four layer flex PCB with the nRF51822-CFAC and recommended ST BAL-NRF02D3 balun and PCB trace antenna (not chip). I have a couple of questions.
...