Hello,
I'm starting a new nRF51 project on mbed for a custom board. I wish to know what is the "cleanest" way to define pinout (what file to edit) ?
Thank you
I have enabled data ready interrupt bit and also enabled the fifo bit and also enabled gyro_fifo and accel_fifo bits in mpu6050 so that when data ready interrupt occurs the...
I will be selling various ble products. My customers can connect to and program the devices using their bluetooth smart phone or tablet.
I want them to have the option...
Hi,
I am trying to run nRF24L01+ in default configuration using simple ping-pong examples using RF24 Arduino library.
The problem is that while ping-pong is getting through...
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...
Hey guys,
I'm designing an antenna for our open source sensor beacon, RuuviTag: http://ruuvi.com
Because we're using 1/4 wavelength monopole antenna, I'm considering...
for ble, scan of central device can get the RSSI value of the advertising device, but the inquire can not.
Is it right?
what's the different between them?
Hi,
I have made custom nrf 51822 board, I don't have LFCLK crystal i.e, 32.768khz. When i run ble_hrs example code in it , current consumption of my board goes to ~150uA...
Hi
In my application I need to transfer several paires of bytes to a slave device, and it's mandatory
for CS signal to go high between pairs. (This actually means I have...
Hi
I want to know why flash memory access should be scheduled in between the protocol radio event?
is there any relation between the flash access and radio opeartion physically...
Hello,
I am developing a wearable device that utilises nRF51822. Right now, I am having a problem because when the wearable device is connected to a new phone, it needs...
Dears,
I am designing a notification application. I would like to know what if I want to support both of iOS and Android phone, which example code of ble_app_alert_notification...
im following ( devzone.nordicsemi.com/.../) step to "Setting up a project for debugging in Eclipse"
i run the debug config and click suspend
then get some problems
...
Hi guys, I just want to share my iBeacon code (over s110) developed on nrf51 dev board under ubuntu. It works fine but please feel free to improve it and share it!
I developed...
In some case sd_nvic_SystemReset() can not reset?
nrf51822 S110.
for example:
void main(void)
{
sd_nvic_SystemReset();
do something;
}
It can do somthing!!
So sd_nvic_SystemReset...
Hi,
I have just bought NRF51822 without any extra peripherals(no motherboard/DK). Just plain Module like below image.
I am supplying 3.3V to VDD and also Connected GND...
Hi all,
I find a problem when testing the ANCS program. It seems that after you connect the device with ANCS with an iphone, you cannot connect the device with another iphone...
I built the ble_app_proximity project and down load into my board, it can advertise and can connected by the lightblue and the nRF toolbox, But i sent the hex value of 0x02...
I can get right value when I chose QDEC_SAMPLEPER_SAMPLEPER_512us in slow application ,but in my application my max data rate is more than 2k, so the QDEC value is less than...
Hi,
I am currently working on a project with nRF52 preview DK.
In my system, an ECG chip is used to measure the heart rate and the data will be transferred back to nRF52...