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...
Hi Guys.
I have compiled and programmed ble_app_uart program in to a nrf51DK (pca10028-nrf51488).
I downloaded and installed nRF UART V2.0 to android 5.1.1 .But while scanning...
Hi,all.i use pwm with sdk8.1 sample (SDK8.1\example\peripheral\pwm),my question is how to stop pwm and set the pin to low level? is my code correct?
my pwm init code:
...
I've a board with the nRF51 inside and a LIS3DH as accelerometer.
I already reflashed and I want to read the accelerometer values from the LIS3DH but I don't know where...
Hi Guys,
I tried to integrate the spi master project to ble_app_uart. For that I added the missing headers from spi project to ble_app_uart. And also I added the .c files...
Hi, Guys,
I am integrating the proximity app with dfu, everything else goes well. However, when I try to update bootloader through dfu, it failed. I check the MCP log,...
Hello,
I use S132 on nRF52 and do multiple roles.
When event BLE_GAP_EVT_CONNECTED is fired, role is invalid (0). How to know that it was a device or central event ...
I have developed an application for the NRF52832, initially with the Keil toolset and changed to Eclipse/GCC. The application works great when I build/load with the Keil toolset...
Hi,
I have an NRF 51 DK and vs. 11 of the SDK and just recently learned how to write some basic code and now I am trying to learn how to use ADC on NRF51. I am trying to...
I'm testing pairing and bonding with an iPhone running iOS 9.3.1 and nRF52832. I'm running into trouble when reconnecting to a previously paired device.
The first time...
Hi,
I would like to use SPI raw master library (used on application chip in serialization examples) in my own application.
First, to understand well SPI raw implementation...
Hi all,
is there any method to disable SWD in a way that every operation through SWD is blocked?
Do the MPU also blocks for reprogram the binary through SWD (maybe disabling...
Hello
I'm new in nRF51 SDK_11
In my tutorial I want to set a RedBearLab BLE_Nano nRF51 like Central.
I read the references in " developer.nordicsemi.com/.../a00066.html...
If I want to do a project following.
The central that has NUS service can connect to at least two peripheral .
Two peripheral also have NUS service.
I can receive notification...
Hi Guys, my project requirement is i have to make sure that my nRF8001 should bond with only one peer device. So i intend do a whitelist one peer device address, whitelist...
