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MCU for educational purposes
We need advices to start with AVR in an educational enviroment. Languages used: assembler and C (avr-libc) Which mcu? Better one simpler (like ATmega328) or with more pins (like...
Wednesday, 17 October 2012 - 18:38
ATmega168/Timer1 PWM mode: inverting/non inverting
According pag. 131 of ATmega168 d/s, by setting COM1A1/COM1A0 bits=2 (Clear OC1A/OC1B on Compare Match when upcounting. Set OC1A/OC1B on Compare Match when downcounting) while...
Sunday, 22 April 2012 - 19:38
Fast PWM: unable to set CS10 bit
I want to use Fast PWM on Timer1 (ATmega168), with TOP defined in ICR1 and compare value in OCR1A, in order to generate a 1ms pulse wave with dc=10%. fclock is 4MHz Here it is the...
Tuesday, 17 August 2010 - 19:26
How to measure a pulse width
What do you think about the following way to measure a pulse width of an input signal (square wave), about equal to (tfall - trise) ? Since Timer1 rolls over continuously, in...
Saturday, 31 July 2010 - 09:44
How to simulate timer?
Is there a way to simulate the timers to measure the time also? Thanks in advance.
Thursday, 22 July 2010 - 06:45
Silly question about ADC
I have a ADC, 8bit. My reference voltage is 5V, so I have 256 distinct levels from 0 to 255. 1LSB = Vref/(2^8) = 19.53mV Question: what's the voltage resolution (V/div) of my...
Monday, 3 May 2010 - 15:49
Issue with a LCD 2x16
I have a LCD 2x16 which has two pinout lines: Top [1][2]...[16] Bottom [14][13]...[1][15][16] If I connect my mcu to the bottom pins, LCD works ok...while if I connect the top...
Thursday, 5 February 2009 - 20:52
ATmega168 and LM335 sensor
I have a LM335 that I would use with an ATmega168 to measure an indoor temperature, in the range 250K..313K (-23°C...+40°C) so the voltage swing is 0.25V..0.313V. Was wondering if...
Friday, 16 January 2009 - 14:15
Make a Parallel I/O Port<-> USB converter
I'd to make a Parallel I/O PortUSB converter with an AVR device. The device should be seen under WinXP, with two distinct addresses: First Address, for a 8bit Out register Second...
Thursday, 25 September 2008 - 06:07
2008 AVR MCU Survey
From "Atmel Notification for AVR" mailing list: Participate in the 2008 AVR MCU Survey here: http://www.atmel.no/survey/index... Lucky participants will receive AVR development...
Thursday, 12 June 2008 - 08:24
AVRprog and ATtiny2313
AVRprog doesn't support ATtiny2313? I can't view this mcu in the list box of devices. My AVRstudio version: 4.13 SP2. My programmer: myavrUSB (AVR910/911 compatible) Thanks.
Monday, 2 June 2008 - 21:54
Which kind of cable I need...
Which kind of cable I need to connect I/O of this devboard to its breadboard: Where I can find it? Thanks in advance.
Sunday, 1 June 2008 - 12:05