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...
I have an in memory log variable that I write to on various BLE and device manager events. If there is ever a serious error, my implementation of app_error_handler() now takes...
Hi,
I have programmed the radio_test_example to target having nrf51822 qfacaa chip. I have changed the UART pins as per the custom board.
It's working fine but showing...
Hi,
How can i wake up(interrupt) the nrf51822 device from "air" (from my iPhone application)?
For example after i paired iphone with nrf51822 i want to put the nrf to sleep...
I am using SDK 7.1 and I am attempting to use the Makefile.common found in sdk_7.1->components->toolchain->gcc->Makefile.common. However, the Makefile.common appears to contain...
I'm trying to send multiple 20byte notifications per interval through the NUS usart service to iOS 7.0, 30ms conn. interval in the UART demo app. It seems I cannot tx more...
Hello,
I'm working on a project with SoftDevice s120. I played with the project ble_app_multilink_central. The maximum number of characteristics per service supported by...
Our application includes a 32.768 kHz crystal oscillator with a nominal +/- 20 PPM accuracy. When I factor in aging over 10 years and worst case variation due to temperature...
Hi !
In questions question1 & question2 Petter Myhre gave a complete answers about count of max characteristic per service in s120 and how to resolve this restriction....
Hi,
I am now developing the BLE with our company's own sensor, so we are not using the motherboard. There always a problem when we use it. I am using the PCA10004 board and...
SourceCode_SSDI_BTLE_BeaconReceiver.zip I am starting to use the Nordic chips, and have a PCA10004 board running. I have modified the experimental_ble_app_multiactivity_beacon...
Hi Nordic,
I am a hardware/firmware guy without App development skills and I also lack the time to acquire these skills. I enjoyed your UART App during my development,...
Hi all,
First of all, I'd like to express how pleased I am using this development kit. The easiest ever to start with, well documented and most importantly I can use the...
hii...
am using nrf tool box app in my iphone. i have tried to use dfu feature.i flashed softdevice and bootloader hex file to he evaluation board and in i phone app i...
In the "NRF51 Series Reference Manual" (v3.0) it states:
The LPCOMP shares registers and other resources with peripherals that have the same ID as the LPCOMP.
You must...