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...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
In the nRF8001 Arduino SDK, there is a " ble_bandwidth_test " example.
It says,
"The bandwidth is measured (sic?) with the nRF UART App in the Apple iOS app store" ...
I am trying to communicate with a SPI peripheral, using the nRF52 as the master, and the peripheral as the slave. What happens is that it still faults out, and the presence...
We are currently developing an Android app (5.0) supporting the peripheral mode and communicating with the Master Control Panel (v3.7.1).
The connection to the Android...
Hi,all.i faced a problem:when i take my phone far away from my device,link lost service can work normal and my device can alarm.But if i turn off bluetooth switch on my phone...
Hello everyone,
i am trying to mix up both services proximity and RSSI but i am not able to merge the header files of these two services can anyone guide me? how to merge...
Hi,
I'm converting my project to OSX GNU from windows keil because of license problem.
There is some .o files made by keil-arm complier in my previous project.
and...
Hello,
Is that possible to force carrier frequency out of 2.4 GHz band (modify canals) for a special underwater application (2.4 GHz is not adapted so i whish to move on...
Hi,
I want to detect long and short press in same button.
Define "BUTTON_DETECTION_DELAY" can detect one delay.
Let me know to detect more than two delays.
Hi everyone,
I'd like to use the micro-esb radio interface to let to nRF's talk to each other. One of them will be generating 4 PWM outputs based on data received.
I have...
Hello Nordic,
I am trying debugging on following project [--ble_app_lbs_master--]. During debugging, I never reach at app_button_is_pushed function. I tried pressing the...
I have built a PCB that uses the nRF51822 . I am failing to load the binary onto the chip via the nRF51 DK. I can:
connect to the nRF51822 on my mac using the JLinkExe...
Hi,all.i want to use pwm in my code.And i init pwm with APP_PWM_INSTANCE(PWM1,1),then i get an error:identifier "TIMER1_INSTANCE_INDEX" is undefined.Can someone help me ?
Hello,
We are doing a study about the features of nRF51822 and the nRF51 Development Kit and are wondering about the maximum visible "friendly name" (DEVICE_NAME?) which...
Greetings,
I am trying to get the frequency/channel matched with RSSI values using S110. Is there a way to pull it through the softdevice functions?
If not, can I pull...
