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...
Now that the infocenter is available, please consider making product anomaly descriptions available at a permanent URL, e.g. infocenter.nordicsemi.com/.../PAN .
The frameworks...
Hi,
Same question in the ARM forum: topic
I am a (French, sorry for my English) software engineer with very little knowledge in hardware. As part of a prototype, I'd...
i have initialized a uart then i changed its rx and tx pins. now i want to initialize two uarts. i found the function to do this. app_uart_init.but i dont know how to pass...
I am trying to add pairing option in IOT examples provided in nrf51_iot_sdk_0.8.0. I don't see device manager interface in this SDK. Are there sample examples I can use to...
Warning[Pa082]: undefined behavior: the order of volatile accesses is undefined in this statement C:\Projects\..\lib\nrf_drv_twi.c 273
21 the same warnings. No errors...
Hi,
i have a question about s130 ble_app_hrs_rscs_relay demo, i want to add nus service to this demo, so i transplant the code from the nus demo ，
1：advertising_init use...
Hello, I just download the Android nRF beacon source code from Github, but how do I import this source code into the eclipse?
even I use the git tool import the code to eclipse...
Hi,
I want to use the following project to build a ble scanner which listen on one specific channel:
github.com/.../nRF51-multi-role-conn-observer-advertiser
Looking...
We have added support for nRF51 devices to VisualGDB, our Visual Studio plugin for embedded development and would like to share some tutorials showing how to develop common...
Hi, CAn anyone plz help me getting the cheapest possible nrf51822 small module that i can use in my project as peripheral ?
Or any other module that can work as slave with...
Hello,
I have been able to get an application to build and run in debug mode using Eclipse GCC (Kepler) for the nRF51822. My application does not use a soft device. We...
Hello,
I want to use timer with my app. I want to make led on my beacon flash for 1 second when it recieves a value. How can i set timer to turn of led after 1 sec?
...
Hi,
I am using GPIOTE interrupts to detect button presses. It works fine but there are only four channels in GPIOTE->EVENTS_IN[] and each channel can only be assigned to...
Hello,
I'm using exeprimental dual mode example with my Beacon kit. I ported the example to work with pca2006, but i'm having problems with led. On my mkit, leds work just...
This is what happens when linking my project in Eclipse:
make all
'Building target: project_name.elf'
'Invoking: Cross ARM C Linker'
arm-none-eabi-gcc -mcpu=cortex...
