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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
Global Variable addressing
Referring to the document http://www.atmel.com/images/doc8453.pdf, I am not able to make out the meaning of the sentence " Also accessing to a global variable will...
Saturday, 16 April 2016 - 17:37
Using _SFR_BYTE()
I wrote a function to blink a port pin based on the rate specified. blinkLED() function works fine. In blinkLEDMethod2() ,  I wanted to use _SFR_BYTE() directly so...
Friday, 15 April 2016 - 12:22
Generic macro for IO Port operations
Hello, I wrote generic macro for IO Port operations (Only for 328P). The reason for writing this macro is that I do not want to use PORTX, DDRX, PINX for each IO port, instead I...
Thursday, 14 April 2016 - 12:08
Checking TWIE instead of TWINT in AVR315 I2C Master project
I was looking at AVR315 I2C Master library. In TWI_Master.c, I saw the following function    unsigned char TWI_Transceiver_Busy( void ) { return ( TWCR & (1...
Wednesday, 23 March 2016 - 08:15
RTC Simulation using Attiny85
Hello, I need just 2 port pins  and RTC in one of my projects. I need to interface this through I2C interface to another main processor. Can I use Attiny85 and 32KHz crystal...
Wednesday, 23 March 2016 - 06:23
Go To Implementation
I am using Atmel Studio 7. When I right click on a function or variable and opt for go to implementation, it lists many links which are not even related to this project. It looks...
Tuesday, 22 March 2016 - 19:11
NACK by I2C master receiver
I got the following meanings of NACK in I2C communication (http://www.ti.com.cn/cn/lit/an/slva704/slva704.pdf) •The receiver is unable to receive or transmit because it is...
Sunday, 20 March 2016 - 14:29
Error two or more data types in declaration specifiers
I wanted to define a new union in my main.c file. I defined union before the main() (shown below), but I get the error message "Severity    Code    ...
Saturday, 19 March 2016 - 07:38

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