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...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
I have one Service UUID and its only two characteristics UUID which is Tx (App to BLE) and Rx(BLE device to APP) to get different type of data e.g. Heart rate, Sleep data...
Thanks for your help עוטד. I want to use BLE / beacon technology in order to track items that pass-by in high-speed and close proximity (0.5m). This means I only have a few...
Hi,
I am using ble_app_hrs_c as the base for central. I have included 5 characteristics in the peripheral and central side. How to make ble_nus_c_rx_notif_enable() to notify...
ble_gap.h Hi,
At the moment, when a link loss is detected (in a connected mode), it takes around 3 seconds for it to be identified (with DISCONNECTED event). Is there a way...
Hi,
We are using system-off mode to save power in our device which uses nrf51822 chip. Our application requires regular wake-ups using RTC interrupts.
But the wake up...
Hello!
I know that nrf51822 beacon advertising packet consists of the following seven data fields:
Vendor ID
Service
Data payload size in bytes
UUID – manufacturer...
I would like to develop a BLE keyboard using nRF52832.
If you know the example source code, please let me know.
And can USB BLE Dongle for Desk-Top PC use the following...
Hi team,
I am trying to figure out how mesh network works. I do experiment with nrf52832 develop board and nrf5_SDK_for_Mesh_v0.9.2-Alpha. After I flashed light_control_server...
I have an app that requires BLE stack to be re-initialized, however it seems that if you run
ble_dfu_init();
more than once, it crashes
Upon further inspection...
Hi all,
I'm working with the nRF52 and I'm trying to run the heart rate sensor example from SDK version 13.1.0 using Crossworks as my IDE. I can compile and run the program...
Hi,
The below results indicate the nRF Connect app requires a handshake even when scanning without connecting. Is this true?
I am using the android 'nRF Connnect' app...
Are there any known issues with the nRF USB on the new chip or dev kit? I bought a dev kit to test out the USB functionality, but was unable to get any programs working. No...
Hello!
I am studying with nrf 51822 eval kit.
I wanted to ask you something about data type of nrf51822.
For the iBeacon model, it needs 31 bytes. 4 bytes of them...