I want to count clocks in order to implement a watch. I use the RTC0 as my time-base and count mainly with this device. As it has just 24 bits it would not last for long,...
Hi,
how long does it take time if i would wake up a nrf51422 rev2 (ANT and BLE) in deepest possible sleep mode ?
And how long does it tai if after wakeup it had to communicate...
I saw that the app_timer uses the SWI0. Could you explain what it does and what the advantage is compared to "timer_list_handler_sched()" calling "timer_list_handler()" directly...
Hi, I used the sample code "Master Emulator->2.1.7.8226->Example code->nRFUart"
to develop a new project, and encounter some questions...
we update nRF6310...
Hello,
How many RX buffers are in S110 SoftDevice? I know there are 6 TX buffers (so you can send 6 packets per Connection Interval).
How is it on receiving?
Is it e...
My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Hi,
What is the meaning of "NRF_CLOCK_LFCLKSRC_RC_250_PPM_250MS_CALIBRATION"?
It means use the internal RC clock source, but what is the meaning of "250_PPM_250MS_CALIBRATION...
My application uses the WDT. In my application, I use a soft reset to enter the bootloader. Because the soft reset does not reset the WDT the program will reset while in the...
Hi, current i'm writing a program in nordic nrf51822 chip and I facing the problem of region RAM overflowed with stack after adding the BLE code as shown below :
//***...
I have a RFID application in which there is a Reader and a tag. The Reader reads the tag information once the tag is in the Reader's range. The tag is an active tag.
The...
I'm working with app_fifo_uart and I'm seeing that my event handler gets the event 'APP_UART_TX_EMPTY' repeatedly. Multiple times a second. Is there any reason for this? Can...
I am using my nrf51-DK with mBed for prototyping. I noticed recently, that the DK had stopped broadcasting a BLE service, so I followed instructions to update the firmware...
I was under the impression that HomeKit was an extension of the MFi Accessory Interface Specification, which relies on the iAP protocol to access additional functionality...
Hi, I'm trying to run the ble_app_uart_s132_pca10040 demo but I can't get it to work.
We're using Keil 5.17 and downloading the example from the pack installer.
The packs...
Hi,
I always see HardFault when I debug a float point code. But it can run smoothly in run-time.
Firstly, I use code Style-1.
float val
val = (int32_t)NRF_ADC->RESULT;...
Hi,
We decided to add NFC functionality to our nRF52 open source sensor beacon design, RuuviTag: http://ruuvi.com
I would like to ask your opinion about the antenna...
I'm quite new to the Bluetooth development in gereral...
I want to design a Hardware using the nRF51 Dongle as the reference Design.
The plan is to take the Altium Files...
Hello Nordic Team,
i've get my things working and i figured out how i can set service data and to display it in nRF Master Control.
Now i want to CHANGE my service data...
Hi,
I'm wondering if I'am able to direct advertise when I have established connection (edit: according to this established connection nrf5x is master (central role))? ...
