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...
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 am studying Thread with MQTT-SN examples, and I got some trouble with the disconnection of the publisher.
Here is my configurations:
SDK: nRF5_SDK_for_Thread_and_Zigbee_v3...
Dear all,
Is it possible to:
1. Make a ble central which is just recieving advertising data , but not visible by sniffers and etc.
2. We want o use the nrf52 for a id...
I am trying perform DFU over BLE and get the following result:
nrfutil dfu ble -a cd5dfbcefa30 -snr 682937446 -pkg flash.zip -ic NRF52 Traceback (most recent call last)...
Hi there
I have a question about the newly added errata No. 220 of nRF52832 Rev 1 Erratasheet v2.1.
We don't use the WFE instruction but call sd_app_evt_wait(). Does the...
Hi,
I am learning OpenThread, and I download RaspPi_OT_Border_Router_Demo_2.0.0-1.alpha.zip from https://www.nordicsemi.com/Software-and-Tools/Software/nRF5-SDK...
Hello!
Nice to ask a question here！
I used arm_cortexM4lf_math.lib in NRF52832 software, and used the function arm_cfft_radix2_f32 function. I want to know that for the...
I want to add a function to bootloader_secure_ble, to drive a lora chip, I can upload some user code by this code. but I don't know how many space can be used.
do you have...
Hi.
I'm testing multi peripheral using pc-ble-driver-py.
I tested one peripheral device using heart_rate_collector.py.
It was ok.
But, when I try connecting two peripheral...
Hi all
I need to create a new SEGGER project with SDK1.5, and I hit lot of build error.
I have no idea about following build error, please help, Thank a lot.
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A project built using the nRF9160 and Zephyr OS v1.14.99 previously built and ran just fine, but since upgrading to the latest versions of the zephyr and nrf repos (using...
Hello-
Recently, we optimized our BLE4 transfer settings. With the same device, firmware, and payload, we get better transfer rates on iPhone5,6,7 than iPhone 8/X. On all...
Hi
I'm using the mqtt_simple but I altered the code and added some buttons. Like, change subscriber or topic if I press button 1 or button 2 , things like that. What I want...
