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ET-AVR Stamp I thought I got this thing to work once but I can't make it work now. http://www.futurlec.com/ET-AVR_S... I have a stk500 a crisp45usb a Dragon I tried the jtag connection from... |
Friday, 30 March 2007 - 10:51 |
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Other ways to monitor battery voltage I have a solar panel charged battery device I had boards made for and I now need to monitor the battery for low voltage so I can shut down the processor. The battery is 4v the... |
Monday, 26 March 2007 - 03:41 |
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Will a .125A inline fuse protect reverse voltage to mega48 I messed up on a design and I have the boards made now. It is a solar panel and 4 volt re chargeable battery configuration. I neglected to put a diode inline to the chip. If the... |
Friday, 2 March 2007 - 06:07 |
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Ideas for adjustable notch filter I need to make an adjustable notch filter for frequencys from 27 to 4200 hz I want it to be able to detect 8 bands of resolution, 27hz to 55hz would be the first band 2000hz to... |
Thursday, 22 February 2007 - 20:34 |
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Mega48 /ADC /AREF /STK500 I am going to use the mega48's ADC and it's 1.1V internal reference but I am not sure of a few things. For the finished project: I understand I should connect a capacitor (.01uf... |
Sunday, 28 January 2007 - 18:10 |
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Special Shutdown Procedure when Sinking current Using a mega48 with two voltage sources. Problem when the mega48 power goes down second voltage supply still on led's Portb 0..7 PortC 1..5 PortD 0..2 Toggling data direction... |
Thursday, 28 December 2006 - 16:10 |
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Curent limit circuit options I am building a simulated rotating light using 16 white LED's in a circle. Here is a streaming flash clip if three LED's on the test bench. www.metron9.com/led.html I will be... |
Wednesday, 20 December 2006 - 17:24 |
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What is the most power I can generate from a 1.2V battery I am using a tiny13, fastPWM 9,6mhz 50% duty cycle that is the highest current I can generate through a yellow led. 100uh inductor 2n7000 mosfet BAT85 shottky diode .22uf... |
Sunday, 17 December 2006 - 20:55 |
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Tiny13 Room Light Solar Project I am having some fun with the new inductors I got and a little solar panel. I have built a circuit (attached) that generates 50V open circuit from a 1.8V solar panel output. I am... |
Tuesday, 12 December 2006 - 05:05 |
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Tiny13 at 128khz and stk500 isp programming I read the warning not to divide the clock by more than 32 when using 128khz clock but I think thay mean less than 32 because 128khz / 32 = 4000 and 1/4 of that is 1000. The... |
Friday, 1 December 2006 - 05:25 |
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Tiny13V reset TCNT0 before SLEEP too 0 I have a battery operated project that controls a tiny stepper motor that can be stepped directly from the chip ports. I am using idle mode sleep and timer0 prescaled at 1024 to... |
Wednesday, 29 November 2006 - 00:55 |
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ET-AVR-STAMP mega128 / JTAG ICEMKII I bought this little board here for 20 bucks I have an ATMEL AVR JTAG ICEMKII http://www.futurlec.com/ET-AVR_S... First , has anyone used these boards? with the JTAG interface?... |
Friday, 27 October 2006 - 02:20 |