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Arduino nano Vin Pin gives 5V even if Vin is not connected
We have one Eval board made for Atmega328P. But we are using nano board directly for processor section. Attached is the schematic. We had first version working correctly. But this...
Saturday, 9 July 2016 - 17:23
Configuring tools in Code::Blocks for AVR GCC
I configured Code::Blocks for AVR GCC. Everything seems OK except that I have problems with tool configuration. Parameter to codeblock is same as that is used in Atmel studio 7....
Monday, 27 June 2016 - 13:33
Adding vs not adding header file to the project
I would like to know the difference or advantages of adding header files to the project instead of just including in the project using #include "  ".  I was thinking...
Monday, 27 June 2016 - 10:54
HCSR04 Ultrasonic Distance Sensor
I was trying to interface HCSR04 ultrasonic sensor to Atmega328P. I grabbed code from http://electronut.in/talking-to-ultrasonic-distance-sensor-hc-sr04-using-an-attiny84/...
Friday, 24 June 2016 - 14:37
Timer - Normal Mode Operation
I was referring to Atmega328 datasheet. Timer 0 normal operation section states that   "15.7.1 Normal Mode The simplest mode of operation is the Normal mode (...
Thursday, 23 June 2016 - 15:50
Source code for AVR205 Application Note
Where can I find the source code referred in "AVR205 Frequency measurement made easy" application note by Atmel? For example, the app note refer to freq_meter_busy_wait_demo....
Thursday, 23 June 2016 - 01:18
Unable to get the Pin Change Interrupt
I wrote below code for testing Pin Change Interrupt. But I am not getting the result (LED is always OFF). Not sure if there is any silly mistake in this code below. I am just...
Wednesday, 22 June 2016 - 09:53
Converting executable project to static Library
I just wanted to know is it a good practice to convert executable project into a static library by going into project properties -->Build --> Build Artifact. I guess main()...
Thursday, 16 June 2016 - 09:35
Programming nano from CP2102
I just wanted to program the chinese version of nano board (Makes use of CH340) directly using CP2102 based UART. I just connected CP2102 Tx to Rx of nano and Rx to Tx. Then just...
Thursday, 19 May 2016 - 15:42
Reliability of Simulated Com Ports
I saw several pages on making use of virtual com ports like http://www.recursion.jp/prose/av... etc. They make use of Attiny or other non-USB devices.  Are these com...
Saturday, 7 May 2016 - 01:56
Unable to connect nano to Atmel-ICE
I purchased Atmel-ICE and I was trying to connect this to Arduino nano (Chinese version having CH340 chip). But I get error messages as indicated in the attached file. I connected...
Sunday, 1 May 2016 - 13:32
First data byte transmitted in Slave Transmitter Mode
I was trying to understand I2C Master Receiver and Slave Transmitter functionality. I referred to the latest datasheet of Atmega328P, AVR311 Atmel Application note (http://www....
Tuesday, 19 April 2016 - 17:35

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