22,333 questions

391
views
2
1

How much RAM does the ANT stack use?

How much memory does the ANT stack on the nRF51422, S210, use?

343
views
no
1

Is nRF51422 backwards compatible?

Is the nRF51422 compatible with all previous nRF24AP devices and all previous incarnations of the ANT protocol?

1k
views
6
1

Is it possible to run the nRF51822 from a 5v supply directly?

Hi, the nRF51822 specifies a max voltage limit of 3.6v. Would the device actually operate from a 5v supply albeit with a shortened lifespan?

thank you

357
views
1
vote
1

Why does my application just hang?

I've done a few modifications to the default heart rate application in SDK 4.2.0, but now I can't see it advertising any more. Also, there is no longer any LED activity. Any suggestions on what might be wrong?

716
views
3
1

Can I use the J-Link Lite to program my custom board?

The Development Kit came with a J-Link Lite, which I've been using to program the development kit modules. As I'm now about to manufacture my own PCB, I was wondering whether I can use this programmer also for ... (more)

1k
views
1
vote
2

Does the nRF51822 have a SysTick timer?

I wanted to use the SysTick timer for timing in my application, but even when writing a handler and trying to set it up, it doesn't seem like the interrupt is ever triggered. Does the chip even have such timer?

2k
views
16
1

How can I debug a softdevice application?

When I'm running a BLE application with the debugger, and the CPU halts on a breakpoint, it seems to end up in the assert handler when I start it again. How can I avoid that?

890
views
no
1

Why does the softdevice initialization hang?

When trying to run the softdevice on my custom board, it seems to be hanging on the ble_stack_handler_init() function. What can be the cause of this?

569
views
no
1

Can I use a WLAN or Bluetooth antenna together with the Nordic 2.4 GHz nRF devices?

Is it the same for all technologies?

thanks

797
views
1
vote
1

How to solve the error "Infopage is corrupted" ?

Hi, I got the error message when programming the nRF24LE1 :

"An error occurred when programming the nRF device. The infopage seem to be broken"

and also "The infopage seems to be faulty"

How could I solve this issue ?

1k
views
no
1

How to debug nRF24LE1 board using JTAG port on nRF6310 board ?

Hello Nordic,

I tried to debug my board using the JTAG port (P12) on the nRF6310 motherboard. But it's not possible to flash the chip in Keil. I got the error: "Error: Flash Verify Failed at 0x0000" every time ... (more)

1k
views
no
3

Can I migrate my application code over to an M3 from the nRF51822 Cortex M0?

Hi, I've been using your nRF51822 with considerable success. I now need to migrate across to an M3 for greater power. I want to keep most of the application code I wrote for the M0 on the nRF51822, is ... (more)

2k
views
no
2

Is it possible to flash S110 from Linux or OS X?

We're working on a project with the nRF51822, but most of our developers are working from OS X and Linux. Is it possible to flash the softdevice from these platforms? Also, how does debugging work on these platforms?

4k
views
2
2

How do I load a softdevice into the nRF51822?

What tools do I need to load the softdevice onto the nRF51822?

1k
views
1
vote
6

[C# MasterEmulator.dll] RSSI Value for discovered Devices?

Hi, is it possible to get the RSSI Value for discovered devices? I use the MasterEmulator.dll for C# and the nRF2739.

743
views
-1
1

About TX CE pulse in a nRF24L01+

I'm trying with a nRF24L01 device, connected to an Microchip MCP2210 USB/SPI bridge. With this Microchip device, i cannot sent a CE pulse shortest than 130uS to transmit a packet (must be > 10uS, but the datasheet does not ... (more)

4k
views
no
3

What is the most efficient way to transfer data over BLE ?

Hi everyone,

 I've just started to develop software for NRF51822 - Bluetooth Low Energy on the Evaluation Kit. I managed to connect the development dongle and evaluation kit successfully; but I want development dongle to send a data to the ...
(more)

1k
views
2
3

hex file for MCP dongle

I can't seem to find the hex file to download into the PCA10000 in order to use it with the Master Control Panel. Where is this documented in the dev-kit documentation?

1k
views
no
1

We have some profiles that has power saving modes that changes the advertisement parameters while running. We want to change the advertising parameters from the application code.

732
views
no
2

How can I setup a database of custom services ?

How do I create custom Services for the nRF8001 ? Is it any different from creating Bluetooth SIG Services ?

6k
views
8
4

What voltage range can be measured with the ADC?

What voltage range can be measured with the ADC on the nRF51 series?

2k
views
4
1

32kHz running in off mode on nRF51822

Hi,

Can the nRF51822 be set up to run thr 32kHz clock in mode? What is the lowest possible sleep current while maintaining BLE connection timing?

1k
views
no
1

When creating pipes in nRFgo studio, you can drop a service to local or remote. what is the difference?

the nRFgo studio is used as a visual editior for the nRF8001 to create Bluetooth low energy Services and Characteristics and Pipes to access them. After creating the Service, we can drag and drop it on "local" or "remote" columns ... (more)

2k
views
no
1

Can setup data in non-volatile memory of nRF8001 be replaced later or it can only be writen once only?

The setup for the nRF8001 that is generated by the nRFgo studio can be placed in NV-RAM or the RAM of the nRF8001. Is it possible to put a new Setup in the NV-RAM or put in an new setup ... (more)

2k
views
no
5

32MHz X'tal for the nRF51822 main Clock

Can I use 32MHz X'tal as the main clock for nRF51822/BLE instead of 16MHz (since it is usually smaller) ???

572
views
no
1

How are authorization implemented?

How is authoriazation done in the nRF8001 ? How do we use authorization ?

Thanks

1k
views
no
1

In the nRF8001, how is Pipe different from Handle of attributes?

The nRF8001 provides pipes to the Characteristics on the local GATT Server and the remote GATT server. How is this different from the handles of Attributes.

3k
views
3
2

nRF51822 I2C

Are there any I2C examples for the nRF51822? If not, can anyone suggest a good starting point for I2C? I am using Keil uVision 4 for development.

1k
views
8
2

nRF51822 code for Temp App?

Hi,

Is there companion code for the nRF51822 that demonstrates the Broadcast function as seen in the iOS Temperature App?

Thanks!

-m

1k
views
no
4

Dear support,

We are in the design stage for a BLE application. We looked at different options. Although the NRF51822 seems better in specs. The TI parts CCxx offer this bootloading over the air option which is very attractive to ... (more)

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