I am trying to find out the part number of the antenna (I assume it is a PCB antenna) used in the nRF51 DK ( www.nordicsemi.com/.../nRF51-DK) . I found a lot of similar questions...
Hi.
I am using the NRF52 Development board, on Keil uVision, to implement a C program that uses Dynamic Structs. The Structs re-size themselves ( by increasing their capacity...
Hello,
I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode.
Pulses are asynchronous
The rate of pulses can...
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I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52.
Both the reference resistor and the PT-100 is sampled while the voltage...
Hi
I have been searching the forums, but were not able to find an answer to my question.
I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
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I have been trying to get two NRF24L01 chips communicate with each other since a week now, without much success. All what I can find on the net is Arduino examples using...
Hi
I have done several projects with the nRF905. I know the device quite well. Normally I use the CD, AM and DR interrupt pins to determine the status of the device, my current...
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.
...
Greetings,
Using the "central multilink" example project, how do I stop scanning if no advertisers are found? I see a case BLE_GAP_EVT_TIMEOUT in function on_ble_evt() but...
