Hi,
I want to send data from one peripheral(nRF51 DK) to multiple Android Phones. This will be a one way connection from the peripheral to the smartphones. I red on the...
I am working on "nRF51_SDK_8.1.0_b6ed55fnnn\examples\ble_central_and_peripheral\experimental
\app_s130_demo\pca10028\s130\arm4" project .
In this project,in which variable...
Or is there any LCD you could suggest that doesn't need that much code? Simple numeric 2rows would be enough. Want to use it with the nRF51-DK to display some measured valued...
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...
Hi,
i'm using SPI to transfer data divided into packets of 24 bit from NRF51 to a DAC. The function that allows to send data is:
spi_master_send_recv(SPI_MASTER_1, data_vector_tx...
I'm having trouble starting my application after power cycling after flashing it with the DFU app.
I started nRFgo Studio. Erased the chip. Programmed the SoftDevice (s130_nrf51_2...
I was just wondering if anyone has any experience with or thoughs about using Zephyr ( www.zephyrproject.org/) or Mynewt ( http://mynewt.apache.org/) that they would like...
Hello all,
i am struggling with the example code of the Enhanced ShockBurst Protocoll in SDK 11. I cannot really see the structure of the code, to which time which event...
Hi all, in the forum I can read about people having issues with wrong CRC in the bootloader, but with SDK11; I have the opposite problem. It is always 0 and is always accepted...
main.c Hi,
I am having an issue with I2C transaction in my program.
There are two sensors(Touch and Temp) connected to the I2C bus. Touch sensor is working well when...
According to the official tutorial must before the MCU is powered on hold button 4 to enter DFU mode, detected that I how to achieve a certain GPIO port high level into DFU...
Hi,
I am designing a system that will include an nRF905 transceiver. How accurate should the nRF905 oscillator frequency be for each receiver/transmitter in order to ensure...
Hi all.
Knows anyone someone who use this module with power amplifier ??
Rf module nRF24L01+PA+LNA . I test it .. but still have same distance like module with no PA .....
I'm working on designing a very small footprint PCB with the 52832. Not much ground plane (PCB area is 25x30 mm). What would be the general recommendation for a small chip...
Now we use the SDK V11 I2S sample program to collect data of digital microphone. We want to get the frequency of the sound and the dB value size.I don't know how to calculate...
Hi guys,
I want to know if it is possible to get started on developing applications for nRF51822 without using the evaluation kit. I want ot have a couple of breakout boards...
Hi,
I am testing that nRF52832 transfer QVGA still image from image sensor to phone as follows.
nRF52832(nRF52 DK) is connected with image sensor through some...
