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...
Our company needs wireless temperature sensors (can be externally powered or battery operated) and transceiver with 4 channel analog outputs. It has to be finished product...
I am toggling Value of slave through a button on nrf51822ek .This Value is displayed on MCP of dongle, but i have to get this value on terminal to send it to pi then through...
Hello, I am tryong to use to masters to communicate with two accelerometers.
Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
Hello,
I am using nRF51822 and meet a question that in the process of bluetooth communication, I will get an instruction for external circuit to stop bluetooth function...
While both P0.00 and P0.01 has Analog Input function, initializing an AnalogIn (in mbed) with P0.00 will cause the firmware to fail to start at all; but initializing using...
Please tell me the Manufacture Part no: which is used for the 16MHz crystal in the PCA10040 DK. I found it different from the one used in PCA10028 version of the DK with just...
Please tell me the location to download the hardware files for pca10040 version of the nRF51 DK board. I could find only pca10028's hardware files in the nordic's webpage...
Hi,
I have some similar problem when trying to add the custom 128bit characteristic UUID.
The service UUID is advertised correctly but the characteristic UUID not.
...
Im using nrf51822 (16KB RAM), I'm trying to retain some data (RAM) after watchdog reset. when I load only the softdevice and my app, the RAM retention workings, but when I...
HI , ALL
i coded the uart_init in my project.
and i want to regarget the printf in my project.
so i find the retarget function is in the 'retarget.c' ,
i tried...
Hi,
We are using Softdevice S310 Version:3.0.0 and SDK:9.0.0.
My Device working on battery power. We are facing Flash write problem when my battery voltage goes to below...
Please tell me the safe 'Max Voltage Rating' for the capacitor at the DCC pin of the nrf51822 in DCDC mode. I am talking about the C12 cap in the circuit shown in Page 113...
Hi all,
I have an interesting problem where I want to read my bootloaders version (based on the DFU), which I have located at 0x3C100, from my application.
I confirmed...
HI , ALL
in the PS document, i know that there a register for the interruption --- INTENSET.
i wanna know if there is an api to set the interrupt.（or the only is to...
After i asked this question , i changed to use SDK 8.0.0 hrs "s110_for_dfu",
As the same step to try,
i downloaded softdevice(s110) & bootloader(for 8.0.0)
then opened...
I want to set its registers by uart I/F.
Because our host cpu(ARM9) has no SWD I/F.
How can I set its registers by using uart I/F?
I read a document of "nRF51_Series_Reference_manual...
