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How to connect two devices to one crystal?
Hi - I want to run an ATMEGA168 and a Microchip MCP2515 off of one 20Mhz crystal. What are the possible ways to do this? I do not have much board space, and I'm low on GPIOs on...
Saturday, 11 March 2006 - 03:16
possible to get 3 16b PWM signals from ATMEGA48?
Hi - I'm working on an ATMEGA48 board, and starting to think about code for it. Specifically, I need to generate 3 16b PWM signals, running at 50hz. Is there any way to do this...
Wednesday, 22 February 2006 - 05:42
For those that have used the MCP2515
Hi - I'm looking at using an MCP2515 in an upcoming circuit. It seems fairly straightforward - but there's one little thing I'm worried about. I'm planning on using an ATMEGA48. I...
Wednesday, 22 February 2006 - 01:00
voltage needed for pwm input of servo?
Though this question is slightly off topic - I figure somebody here would probabaly know. I've made a couple of 5V AVR boards that control hobby servos that have 6V supplies. But...
Thursday, 22 December 2005 - 01:22
best way to monitor 14.6V battery?
Soo - in a project I'm working on there will be 3 li-poly batteries in series. This means at full charge they'll be at ~14.6V. What is the best way to monitor this voltage from an...
Saturday, 10 December 2005 - 03:06
AVR inputs = high impedance, yes?
I can't believe I've never come into this situation before - but well - everything I do with AVRs tends to be with peripherals and/or outputs - I never directly use the inputs....
Wednesday, 7 December 2005 - 17:04
Availability of AT90CAN32/64
Hi - I just spotted these CAN AVRs on Atmel's website. Does anybody know anything about when they will be available and approximate pricing for them? I'd like to use CAN AVRs on a...
Saturday, 3 December 2005 - 17:08
solution for very accurate RTC?
Hi - I want to find an RTC for a project I'm working on. The problem I'm running into is is that most depend on the accuracy of the external crystal - and I can't find crystals...
Wednesday, 23 November 2005 - 04:34
smallest level converter solution?
Hi - I like to have a serial connection on all of my AVR boards for debugging purposes. Thing is - I'm trying to cut down on space used on some of my boards - so I'm hoping to...
Monday, 24 October 2005 - 00:49
anyone ever use one of these usb serial adapters w/ avrisp?
since I only have one serial port it drives me a bit crazy to have to constantly switch my cable from avrisp to avr board... So I found these: http://www.adapterz.com/prods_US...
Tuesday, 13 September 2005 - 15:46
using winavr with Eclipse/CDT
Hi - has anybody successfully setup Eclipse to use WinAVR? I'm now using Eclipse for ARM development - so it'd be nice if I could do AVR dev. within it as well. Thanks!
Sunday, 4 September 2005 - 16:55
anything strange about portc on atmega162?
Hi - I've encountered a very wierd problem. I recently built a 32 servo controller based around an ATMEGA162. There's a servo PWM output on 32 different GPIOs. 28 of the 32 work...
Saturday, 13 August 2005 - 04:00