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virtual lcd display for development?
Are there any AVR development environments which implement virtual input/output devices (e.g. a virtual lcd character display, virtual buttons/pots, etc.)? The idea is that...
Saturday, 18 December 2010 - 05:52
input protection resistors
The datasheet says that the absolute maximum input voltage on a pin is Vcc+.5. If I place a resistor (e.g. in series) on the input pin, will it increase the maximum voltage a pin...
Thursday, 9 October 2008 - 02:50
cheap way to calibrate the int. RC osc.
Found this in ladyada's forums: http://ladyada.net/forums/viewto... It's an way to calibrate the internal RC osc. with "ordinary household items."
Thursday, 10 April 2008 - 18:45
emergency shut down power supply
I'm thinking about implementing a data acquisition system for recording very rare events over a long time span. I'd like to make it robust in the event of power failure (whether...
Monday, 4 February 2008 - 05:32
instructional video: High Voltage Programming
just found this. from the description: "When you accidentally set RSTZDISBL and cant reprogram an AVR via ISP, try HVP. ..." http://www.youtube.com/watch?v=E...
Thursday, 31 January 2008 - 06:27
"hot-pluggable" design considerations
What precautions should be followed when attaching circuits to AVR inputs pins while the AVR is powered? I will be connecting other digital devices to the AVR, and I'd like to...
Wednesday, 30 January 2008 - 19:46
ubrr vs. ubrr0, u2x vs. u2x0, udr vs. udr0, etc.
Is there a compatibility mode for gcc which will translate the register names for the 0-th serial port to their older names (without the 0) or vice-versa? I think this would be...
Wednesday, 2 January 2008 - 21:13
replacement for avrdude-gui?
I noticed that avrdude-gui is no longer distributed with WinAVR. Also, another graphical interface to avrdude that I've used, AVR8_Burn_O_Mat, is no longer on the Internet. Is...
Monday, 31 December 2007 - 05:22
best practices for interfacing with pots?
I need to hook up a couple of pots to the ADC inputs of an AVR. Is there anything "wrong" with this design: 1. AREF = Vcc = +5V 2. pot ends are connected to Vcc and GND with wiper...
Sunday, 30 December 2007 - 20:08
FT232 interfering with IR module
Here's a problem I've just spent several hours tracking down... I assembled the avrlirc project on a solderless breadboard using an STK500 and a FT232RL using the breakout board...
Saturday, 4 August 2007 - 16:39
power meter?
hi everyone... I'm interested in measuring the total power usage of my battery powered AVR creations, and I'm wondering what would be the best way to do that. Resolution and...
Wednesday, 18 July 2007 - 02:27
bit-banging pwm considerations
There seems to be two ways to do your own pwm generation, and I was wondering if anyone had any comments on the suitability of them in various situations. To simplify things, let'...
Monday, 9 July 2007 - 05:53

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