26,110 questions

Hello,

I know that this question was here before, but I've read all of the questions and answers and still I don't know what I do wrong.

I'm using 3 PWM channels to controll RGB led, and ... (more)

Hello -

I'm not having any success using my PCA10024 as a dongle for MCP. Here is what I'm doing so far....

1. Remove PCA10024 jumper from P0.30-GND.
2. Connect PCA10024 to Win7 PC - MBED (G:) enumerates.
3. Copy MEFW_nRF51822_0.9 ...

I am using keil compiler. The nRF51822 stack succesfuly compiled and also i am created the hex.I don't have j-link programmer but i will try to download using Ulink2 can u help me

here i attached the circuit ... (more)

The nRF51 Series Reference Manual v3.0 notes the potential need to set the OVERRIDEx registers in the radio mode to values from FICR.BLE_1MBIT to meet deviation requirements for BLE (per PCN-083 rev 1.1). FICR also contains override ... (more)

hi, i am working on a project which needs a relatively accurate high frquency clock. when i ran my program without softdevice, the HF clock's accurency could fullfil our requirement. but when softdevice (s110 v7.0.0)is used ... (more)

Hi,

There was a thread about using PAs (and not LNAs) with the nRF51 a while back with some good advice.

One question I still have: is there currently any way to support an ENABLE line for a PA for ... (more)

Hi I'm working on a school project and I need to send data from an accelerometer to a phone I'm currently able to update "dummy" data from my nrf51822 to my phone after following the examples provided in ... (more)

Hello - I'd like to make sure my RAM/ROM layout for the nRF51822_XXACis OK - if someone has a minute to double-check it that'd be great.

I started with the "nRF51822 Beacon v1.1.0" example source code and ... (more)

Hi,

I am looking to select a bluetooth chip for a new project, one of the criteria is access to free development tools. I see that in the SDK GCC is supported. But: how do I set this up? Is ... (more)

Hello,

I was puzzled by RM.

I notice POWER control register in peripheral(UART,SPI,TWI) module.

Please answer following questions about the relation between system power and the peripheral power register value.

1. Will UART be powered when system power ...

Hi, I want to start TIMER1 by a GPIO_TE. When the program enter the TIMER1_IRQHandler(), I want to disable the ppi. And when the program leave the TIMER1_IRQHandler(), I want to enable the ppi again. But I found once I ... (more)

Hi Im working on the project which relates to sending data through ble. I use nrf51822 Evaluation kit and the data is from uart. How do I send data greater than 20 bytes. No matter how i change the parameters ... (more)

Hi,

I'm on OSX, and I'm having problems where the first service calls I make on my own device fails but work fine on the second generation Nordic development board.

I am pretty sure I'm compiling my ... (more)

I'm using the example ble_app_hrs along with the HRM part of the nRF Toolbox iOS app. It makes sense to handle this in on_ble_evt in main.c but am unclear how I can recover from enter system mode off ... (more)

Hi, Merry Christmas!

I have a question about pstorage_store. Actually, I want to store some data in the memory. Each piece of data has its own size (between 1 byte to 4 bytes) . In total, I need 52 bytes for ... (more)

Hi support !

In my current application, I use nRF24L01+. I want to change this nRF24L01+ for a nRF51422 to add BLE connectivity. So, I've started my development with the spi_slave_pca10028 to check my spi connection. It's OK. Then ... (more)

Hello,

I know that this question was here before, but I've read all of the questions and answers and still I don't know what I do wrong.

I'm using 3 PWM channels to controll RGB led, and ... (more)

Hi,

I've followed the steps mentioned in this thread https://devzone.nordicsemi.com/questi... and everything seemed to work fine. I've successfully uploaded "nrf51822_beacon_app.hex" file copied from C:\Nordic Semiconductor\nRF51822 Beacon v1.1.0\Precompiled hex ... (more)

i had used flash manager that is in BLE libraries to store datas for persistent storage. but it seems can't work after i enable the softdevice. so i try to use pstorage, i would like to know is pstorage ... (more)

In the changelog for 7.1.0 is says:

"This version deprecates all previous 7.x.x versions"

But in the compatibility matrix, it seems like 7.1.0 is only supported by revision 3 chips, and SDK 7.1 ... (more)

Hi everyone,

I have a nrf51-dk. I am running Master Control Panel app on my win7 computer. However, I cannot see my nrf51-dk in discovered devices section. Log says, Loading...,No response from master emulator,SERVER:Server has started.

When ... (more)

I'm using SDK 7.1, PCA10028 eval board, SD110 7.1, MCP 3.6.0.8331

I have 2 characteristics, and both are 32 bytes long. When I try a "Write Long" from the MCP a BLE_EVT_USER_MEM_REQUEST is generated ... (more)

I am sending setup commands to a NRF8001 D device and I receive a command response with status of 0x89. This appears to respond to ACI_STATUS_ERROR_UNSUPPORTED_FORMAT. I cannot find any further description of this error which will help me resolve ... (more)