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IRDA Controller Mega48 Project
I am working with a mega48 as a memory storage device for Flash storage, temporary Sram storage, eprom storage, as well as allowing commands to make use of the ADC's the PWM...
Tuesday, 17 April 2007 - 19:40
Ok 5AM and I cant find this wierd bug MEGA48
The full code is attached. The main parts of the code are below. This is just stupid. I have a register mclock that seems to get random numbers in it anytime I uncomment the ROL...
Sunday, 15 April 2007 - 11:08
Message No WinAVR Found
After using the simulator and crashing it because I was playing with self programming and overwriting the flash using SPM I rebooted the software and now all of my programs still...
Saturday, 14 April 2007 - 07:15
Connecting SRAM I/O pins to AVR
I am adding an SRAM chip HM62256ALP-10 (32k x 8) to a project using a MEGA16L as in interface between another uC. Since the I/O lines on the SRAM can be input or output, should I...
Thursday, 12 April 2007 - 16:03
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

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