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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
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
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
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
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
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
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
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
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
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
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
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

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