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 want to make a Bluetooth connection with nrf51422.
I am using the Keil software.
But I do not understand what the program will do the bluetooth connection.
Can you help...
I am running the Blinky code provided in nRF52 SDK examples.I am not able fix this error pointing at nrf_delay_ms. This function is hard to explain. Moreover I don't know...
To test one functionality, I am sending 1Kbyte of data to smartphone using nRF51 Uart example code.
I have tried testing with different baudrates, 9600, 115200, 38400,...
Hello,
I have an existing microprocessor application that I want to test with the nrf51822. I am currently using a different BLE chip. I do not want the trouble of porting...
I'm having a strange problem. I'm running the nRF51-DK with a dual-bank bootloader, S110 soft device, and my app under gcc. I'm using Eclipse Luna as my develpoment/debug...
When i added timer in my bluetooth code my board will not advertise.using pca10028 and nrftool box uart app on iphone 5s.
here is my complete code. Using timer1
Final with...
I'm using the 0.9.2 SDK SPI slave example to connect to a SPI master (Atmel SAM4S). When I initiate a SPI transfer from the master side I can see that all the data arrives...
Hello,
I have been going through devzone questions to figure out how to enable the default debugging messages through Putty for the ble_app_proximity example project from...
Hi:
I make the gazell ready, and I need an extern PA(RFX2401) for a long distance commuicate. But there is some trouble when enalbe the PA.
My function:
Host:
pin_Set...
Hello,
I am using ble_app_multilink_central example as a foundation of my app involving central - peripherial connection (S120 - S110). My app works nicely but i have problem...
Hello, I am trying to establish a connection between the nRF52 board and the USB serial converter TTL-232R-3v3.
The setup is such that I connect the converter cable to...
Hi all,
we have a project based on nRF51422, SDK 6.1, Softdevice S310 2.0.1.
We use the bootloader for DFU services. Our problem is to send a service changed notification...
Dear all, I had debugged example Heart Rate Service from SDK 9.0.0 without problems but I think we have a exception, when I insert a breakpoint on line 923 instruction APP_ERROR_CHECK...
I am trying to use the scheduler, but I would like to know if it is possible to have events with different priorities... As an example:
Task A - Priority LOW
Task B -...
