Hello,
In an ongoing company project we use a couple of nRF51 transceivers forming a beacon enabled wireless sensor network consisting of one base station and multiple...
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 All,
I am novice in this nordic nrf 51822 programming. I wanted to know the best way to do the
following.
I have two different functionalities to be run on eval...
Hi All,
In ble_app_hrs example two function is defined for gpiote_init()
1)
static void gpiote_init(void)
{
APP_GPIOTE_INIT(APP_GPIOTE_MAX_USERS);
}
2)
static void...
Hi
I found there is bonding managing routine in SDK HRM and Proximity examples.
bond_manager_init();
It means in these two case, after pairing with BTLE host, the...
My question is regarding the PPI channel groups. The documentation is extremely limited and leaves many questions.
My goal is to generate 3 PWM signals from a timer with...
If i understand tasks are for outputs and events are for inputs.
Wanted to know relationship between channel and the pin numbers. do they hold the relationship like...
Hello,
I am really confused on how to get a custom BLE service up and running. I have read through nAN-36, and compared the suggestions in that document to the HRS example...
In nRF51 reference manual v2.1 section 18.1.1, it mentioned that the RTC must be able to
run while the 16 MHz system clock (SysClk) source is OFF. 2 questions :
Q1: Since...
Hello,
I'm trying to get the SDK examples working in Eclipse. I have followed all steps(except debugging part) in the nan-29, but i can only import the s110/ble_hrs example...
I am looking for the spacing in mils or mm between the two samtec connectors on the nrfGO board. I am making my board to interface with the PCA10005/PCA10004 and I would like...
Hi,
I'm new to nRF8001 SDK and Bluetooth and I hope my questions are not too stupid lol. So here it goes:
I'm using the Nordic nRF8001 SDK to implement a self-defined...
Hi All,
i would like to know in ble_app_hrs example gpiote_init() is called from main
and then again called in led_start for what purpose it used in 2 place.
can...
I see that we can specify the SPI frequency in bps, I was just wondering how fast the SCK line was oscillating for these values. Does it use the 32.768 kHz crystal oscillator...
If the nRF51 chip is in System Off state, do the GPIO pins retain the pull-ups or pull-downs? If so, what value do they have and how much current can they sink or source?...
