i made this project to try to create RSC service on arduino
developer.bluetooth.org/.../runningspeedandcadence.zip
unfortunately the server starts but i'm not able to...
Hello,
Could someone give me a hint with the following problem?
I am using two example projects (ble_app_uart_c, ble_app_hrs) to connect a central and a peripheral.
An...
I created xml file for heartrate server using bluetooth developer studio and the plugin nRF8001_Arduino (plugin nordic semiconductor for arduino)
the generated xml file...
I read this older post ( devzone.nordicsemi.com/.../) and have a similar issue but with enough differences that I felt it was worth a new question.
I have an STM32 MCU...
I am having an issue with running the initial blinky example that came with the nRF51 PCA10028 SDK in the Eclipse IDE . I will include screenshots of the issue. I believe...
I use nRF51-DK and nRF51-Dongle for a BLE sniffer.
Always the sniffer fails and marked with an error "Encrypted packet decrypted incorrectly (bad MIC)".
It can not be...
Hi,
I'm using long write in one characteristic but if I try to configure this characteritic with write authorization (attr_md.wr_auth = 1) it doesn't work. I need to send...
I'm confused about the issue with using GPOPTE inputs in low power applications.
errata 97 indicates that GPIOTE should not be used in input mode
It was also discussed...
Hi,
When I build the SDK (14.0.0) with SOFTDEVICE_PRESENT and in sdk_config.h #define NRF_SDH_ENABLED 0 I get the following link error (using IAR:)
Error[Li005]: no...
I used NRF52832 TWI master to drive BMA223 sensor,
a. gs.c/gs.h are the driver codes
b. the i2c wave is looks right, but there still not generates a NRF_DRV_TWI_EVT_DONE...
What are the guaranteed state of the IO lines (configured ax I2c) when in system off mode? Specifically I want another device to be on the bus acting as a master while nRF52832...
For RED certification of our product, using the nRF51822, we need to provide documentation about "Block diagram showing antenna, radio receiver and transmitter parts as well...
Hi,
May I ask a simple question about an example how does it generate its own advertising address, such as the "ble_app_hrs" example? I mean where I can find device address...
Hi,nordic：
At this topic: devzone.nordicsemi.com/.../
I know that notify is 100% safe in LL.Before that,i know in bluetooth core4.2 LL has SN and NESN field to guarantee...
Hi, guys.
I noticed that in *nRF5_SDK_14.2.0_17b948a\external* micro-ecc **, something changes.
That nrf52_armgcc / nrf52_iar / nrf52_keil now is nrf52hf_armgcc / nrf52hf_iar...
I download the android source code, Android-nRF-Toolbox-master, from " github.com/.../Android-nRF-Toolbox" .
Compile with AndroidStudio v3.0, it said that "Unable to resolve...
Hi, I have a DFU unsecured zip file(for application), and I lost the original application .hex file.
Is there any way I can transform .zip back to .hex?
Sincerely,
...
Hi there,
I'm developing some proprietary RF application recently with nRF52. In this application, the radio frequency (tx and rx) is changed very often(every 3ms) by calling...
Hi,
When creating and adding characteristic to service, what is the meaning and difference between these two variables:
attr_char_value.init_len
attr_char_value.max_len...
I am able to send data upto 20 bytes by connecting to an external BLE device. How do I send data greater than 20 bytes. I have read that we have to either fragment the data...
