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How to design something that can last long (years)?
Don't forget that your battery has a self-discharge. Have you considered energy harvesting (from vibrations or an antenna) instead?
Sunday, 20 June 2010 - 01:51
DingDong
The traditional method is additive synthesis. There's a suggested scheme here: http://music.nuim.ie/music/sites...
Friday, 18 June 2010 - 16:06
undefined reference to "XXXX"
Exact errors, and snippets of source would be helpful.
Thursday, 17 June 2010 - 12:28
Please advice (which chip to count up/down and DAC)
http://www.onsemi.com/PowerSolut... Onsemi has some digital potentiometers, which seems to meet OP's requirements. The CAT5133 has a V_hi of 16V, and it comes in MSOP, which is...
Wednesday, 16 June 2010 - 10:53
Heater controller Ideas
Ali_dehbidi wrote:What happens if the furnace gets stuck on? What stops this? And don't expect to rely on your microcontroller. If i can not rely on my microcontroller on what...
Wednesday, 16 June 2010 - 10:40
DWEN
The DWEN bit still permits the chip to be reprogrammed through the debugwire interface. However, IIRC, you cannot change the other fuses. You can reenable ISP from within...
Saturday, 12 June 2010 - 16:12
fuses & lockbits setting
Erase the flash. This will clear the lockbits. And note that your level of urgency is inversely proportional to how motivated people are to respond.
Saturday, 12 June 2010 - 07:06
Compass only reads correctly when programmer plugged in
I'm suspecting that your power rail is insufficiently filtered. What filtering capacitors/inductors do you have on your power rail? Also, is reset driven in any particular way?
Tuesday, 8 June 2010 - 22:36
Does this 'component' exist?
APC makes ethernet controlled power distribution units. But those are controlled over ethernet. Usually, you telnet into the offending device's PDU, and cycle power. Sparkfun has...
Monday, 7 June 2010 - 13:40
Interfacing gas sensors with atmega32
Read the datasheet for the gas sensor in question. What interface does it have? Analog? Wire it up, read the appropriate values with a multimeter. Now, read the datasheet for the...
Monday, 7 June 2010 - 12:57
html GUI for variable inputs to AT90USB controller
It is quite possible that you want to start from the RNDIS example in LUFA. This will emulate a RNDIS network adapter, that any supported host can point their browser to.
Monday, 7 June 2010 - 09:58
help on programming AVR
theusch wrote:Quote: We're working on the schematic and code at the moment. I'll need a shipping address for the completed units. You forgot the billing address.
Sunday, 6 June 2010 - 02:05

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