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OT? 240vac to 5 or 3.3v at 10ma
Perhaps it is worth having a look at the VIPer20 by ST. http://www.st.com/stonline/books... I have seen it used in LED powersupplies in the past (for commercial units) and the...
Monday, 7 July 2003 - 01:25
TWI example on MEGA8 using ICC
Um, Sorry for the perhaps lame question, but what is ICC? Neway, there is example code for chatting to an eeprom using i2c (harware interface) at: http://savannah.nongnu.org/downl...
Monday, 7 July 2003 - 01:17
Mega8 @ &MHz + USART Garbage
Get a CRO and have a look at the signal, though it sounds strange the 1st few bytes being screwy, then getting better. Perhaps an issue with the PC side getting ready? Why not...
Saturday, 5 July 2003 - 11:01
How to program OSCCAL Byte?
ok, what confuses me is why was i getting locked out of the microcontroller programming mode after i program the micro to use the internal 8mhz oscillator? (addmitedly not setting...
Wednesday, 11 June 2003 - 01:17
How to program OSCCAL Byte?
What is the process I need to follow to configure the OSCCAL to a certain value using gcc ? ie how do i put it in the code so the correct value is loaded in OSCCAL on reboot? I...
Monday, 9 June 2003 - 10:47
Power Supply Generation for ATMEGA8
Thanks for the quick reply oods ;) Unfortunately this controller is for a fixed installation that will be operating for long periods of time between service (controller will be...
Wednesday, 14 May 2003 - 04:04
240vac to 5vdc & ATMEGA8 Fuses
well i got the opto to work :) It is the Agilent Technologies HCPL-3760 AC/DC to Logic Interface Optocoupler. It works a treat. It gives a nice square 50hz 5vp2p wave out from...
Monday, 12 May 2003 - 03:37
240vac to 5vdc & ATMEGA8 Fuses
Well I did find a opto that I think is suitable for the job. It is the Agilent Technologies HCPL-3760 AC/DC to Logic Interface Optocoupler. I'm about to hook it up today using...
Wednesday, 30 April 2003 - 02:56
240vac to 5vdc & ATMEGA8 Fuses
(which doesn't seem to be the case if you ask questions like this) Yeah, your right there. This is my 1st project using 240v :) Anyway, thanks for the replies, I will order some...
Wednesday, 23 April 2003 - 02:53
240vac to 5vdc & ATMEGA8 Fuses
Ok, thanks for all the replies (very fast!) Anyway, looks as though I may go for the 1M resistor option purely due to it's simplicity. However, before I embark, do you have any...
Tuesday, 22 April 2003 - 06:39
Attempting 3 channel LED dimming using a ATMEGA8
Ok, got it going - kinda it is a little hacky, we decided to just turn the adc off then on again to swap which channel we sampled from. anyway, the file is attached if anyone is...
Wednesday, 19 March 2003 - 23:54
Example 8515 code
ok, where can i find examples on the non-depreciated i/o calls? Can anyone suggest one? Is there any sample code for the new 3.3 compiler collection? I know that the double was a...
Tuesday, 11 March 2003 - 02:00

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