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Interfacing LV-TTL to 50Ohm Load
Hi, i'm using a 3.3V AVR that's generating 8 clock signal. Now i have to feed that signals to 50Ohm loads with 5V amplitude. How can i do so? My first try was to use some 3 gates...
Thursday, 7 September 2006 - 14:30
Bootloader problem
Hi, i build a device with ATMega32 some time ago. Today i wanted to work with it again. But i can't remember the bootloader i used, but i think it was pavr. when i connect my...
Sunday, 1 May 2005 - 10:10
MAX038 Question
Hi, I just started thinking about building a function generator with MAX038. The Output Frequency is calculated as followd: F0 = IIN(uA) / Cosc (pF). IIn should range from 2uA to...
Tuesday, 18 January 2005 - 17:59
Differences in WinAVR and avrgcc under Linux?
Hi Guys, i'm using a ATMega32 with Bootloader (AVRProg compatible). I worked on a Windows System and compiled the code there with latest WinAVR Compiler. The project was working....
Thursday, 30 December 2004 - 19:05
Jump to Bootloader Section
Hi, I'm using a ATMega32 and i'm playing around with bootloaders. My question: Is it possible to jump from a running program to the bootloader section to perfom: "a firmware...
Monday, 13 December 2004 - 21:49
Bootloader for Mega32 on Linux
Hi, does anyone know a Bootloader that compiles with avr-gcc and has support for linux terminals? thx theFloe
Friday, 10 December 2004 - 19:25
AVR Resets when key is pressed
Hi guys, i have an ATMega32 and two switches connected to PD4 & PD5. I use the internal pull ups and the switches are connected otherside to GND. Now i have some code like...
Friday, 3 December 2004 - 19:29
Dot Matrix improvements
Hi, I've build a Clock using a 5cm high 5x7 Dot Matrix Display. The problem is that the LED's do not shine enough. So i thought to put a lower resistor into the circuit. First i...
Sunday, 21 November 2004 - 18:29
What does: subi r24,lo8(-2) do?
Hi, I'm not experienced with the assembler for avr's but i'm doing my best to translate some code from asm to win-avr C. What does this do? subi r24,lo8(-2) subi is a substract...
Monday, 27 September 2004 - 23:51
Project Ideas?
I have some IDT 7208-L20J (20ns access, 64k x 9, async fifo) lying around in my chip-box. So i thought "What could you do with that?" Shoudn't it be possible to connect them with...
Friday, 17 September 2004 - 21:18
Best Bootloader
Hi, for my new design i want to use a bootloader to make firmware updates easier. What is the best bootloader? I want to use the integrated uart for communication and best would...
Wednesday, 8 September 2004 - 07:29
AVR power control
Hi Guys, Some month ago i read anywhere here a thread on how to get an AVR switch itself off and with a switch on again. It was a circuit with 2 transistors (as far i can remember...
Monday, 6 September 2004 - 17:44