When I was using the device as peripheral, I was wondering when the Softdevice notified BLE_GAP_EVT_SEC_PARAMS_REQUEST and BLE_EVT_SEC_INFO_REQUEST:
1, when peripheral...
hi dear nordic employee:
I tried to build the project ble_app_hrs_c(pca10040) by keil5
but I get an error :
._build\nrf52832_xxaa.sct(7): error: L6236E: No section...
Hi,
I am a bit confused about power consumption when using app_uart_fifo. To save power I put MCU to sleep in between each sent and received byte by using __WFE and __SEV...
Hi! I am building an android app for my project. I am using Proximity , UART and DFU from nrfToolbox app. I have 3 buttons on my home screen dedicated for each of them. I...
Dear Nordic employee:
1、 what do I have?
I have a thingy52 develop kit(nrf52832)
2、what is my purpose?
the quality of thingy52 audio demo is not good(iphone7)...
Hello Nordic,
My development environment:
SDK>> NRF51822_SDK10, SoftDevice>> S130
Example>> ble_app_uart
I am looking forward to your reply!
Thanks.
Best Regards...
Dear friends,
according to "nRFConnect_BLE_User_Guide_v2.0", to set up a local device,i should complete the following steps:
Connect a development kit or dongle to...
Hello, Guys!
As I know, the Bootloader uses RTC2.
The problem is that RTC2 continues to operate after executing the bootloader, in my Application.
My Application not...
We are using nRF52840-DK and we need to stream the audio to our iOS app that we are developing. But currently, we are not able to get the audio streams back for mic to iOS...
In my application we have an ADC input pin which we want to connect to comparator input too. Based on the highlighted statement in section 7.6.1 Can the same analog pin be...
Hello,
since a few weeks I have the following problem with the nRF Connect for Desktop app on Linux (Arch Linux specifically). The runner launches and I can install and...
Hi,
starting the NCS v1.5.0 "Bluetooth: EnOcean" sample on nRF52840 DK, the following error occurs:
Bluetooth init failed (err -35)
Any suggestions? Thank you.
Hello
I'm testing multiple frequencies to ensure smooth ultrasound control.
Frequency can be generated via 'APP_PWM_DEFAULT_CONFIG_1CH (period, pin)'. But it seems difficult...
Hello there
I hope you are doing well
I am looking for rf module that meet my requirements, please check these requirements below and give me any of your product meet...
Hi Nordic,
I am using one NRF52840 named A chip(DCDC mode) to provide VDD power supply to another NRF52840 named B.
A is using VDDH with battery 4.2V power supply.
B...
Hi,
I am using nrf5340 kit. I would like to enable and test power management in mesh chat example.
1. Can you please tell me the usage of below config file usage.
#define...
Using: NRF52840, SDK 14.2, S140
My GPIO initialization code is as follows. This is the first thing that happens in main.c.
Here are logic analyzer traces of 2 GPIOs...
Hi
We would like to adjust the pin matching of our nRF52805 design since the measured S11 coefficients in Tx mode are not very good (well above -3dB). The values for the...
Hi.
I am testing a wearable device based on nRF52832 and it does not have a reboot button.
Sometimes the device gets stuck and does not appear on Bluetooth scans. Rebooting...
Hello, I'm in Zephyr OS build v2.3.0 and NCS v1.3.0. I need to reprogram UART0 baudrate at run time to 38400. After having obtained the uart node
uart = device_get_binding...
I want to transmit UART and Bluetooth through 12bit ADC 12k sampling.
I downloaded the following example and verified the ADC-UART AND Bluetooth communication. https://github...