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,
I usually use electronics.stackexchange.com/.../15143 approach for decoupling capacitors and until now I had much better EMI performances.
I make sure that tracks...
We would like to reduce the attribute table size a little to increase free RAM. Are there any guidelines explaining how we can judge how large the table needs to be for a...
I compile SDK7.2 example hrs in "experimental_s110_with_dfu" by eclipse,
and I download softdevice & bootloader by nRFgo
then i use master control panel to DFU the hex which...
In the nordic documentation it mentioned that in the init packet we can write list of supported softdevices so that if one of that matches it will start the dfu. But in Signed...
Actually, I'm not good at using English. So I'll try to struggle to type this question...
Sorry, Last week. My boss gave me a Nordic Mouse to develop some embedded one...
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...