Yes, a great idea. I just hope this doesn't die a slow and prolonged death like several other newsgroups i've been a member to. As for projects, all i've got...
Wow that didn't take long. I was just looking for your email to send you a personal invitation, and here you are! Welcome Dean. Feel free to upload the latest...
Maybe a dumb questions, but what is Buttload? Is it a replacement for the original bootloader and ifso what is different about it? Why would anyone want to...
Glad you asked! ButtLoad is a project i've been working on for the past several months, while not at highschool. It is NOT, as commonly thought, a bootloader...
I use Dean's ButtLoad program quite often to reprogram my ButterFlies and I can say that it works fantastic. It's not a replacement for the "stock" BootLoader,...
When I built my cables for the ButtLoad to re-program other ButterFlies, I was in hurry and didn't bother with the three resistors you had on your schematic...
The resistors are nessesary if you're programming 5V parts. They will drop the voltage seen by the MEGA169 to about 3V to avoid damage - the 3V outputs of the...
Well that's good to know. I thought I was "pushing things" and sooner-or-later would fry something. So they're in case I plug into a 5 Volt device and it...
... into the ButterFly right? A 5V device *will* shove 5V into the Butterfly courtesy of the /RESET and MISO pins, which certainly isn't good for it. The...
I've been programming my Butterfly using the way it says, by serial port. Is there a way I can hook it up to the printer port and program it that way too? If...
... serial ... that ... There are some ISP programmers you can build (some with a few as a handful of resistors) that could connect from a PC's parallel port ...
Thanks for dropping by Cliff. As a well-known AVR expert your opinions are quite valuable to beginners. Hope to see you drop back soon. Thanks! ... it ... is ...
The new Butterfly Website is located at http://retrodan.tripod.com If you've done anything or have some Butterfly related items to feature, please let me know...
VON NEUMANN vs. HARVARD ARCHITECHTURE If you are new to Microcontrollers one of the arguments you are going to hear bantered about is Harvard Architecture...
THE "HELLO WORLD" PROGRAM FOR BUTTERFLY BY RetroDan PROGRAM PURPOSE: To display "HELLO WORLD" on Butterfly 6 Character LCD Screen using AVR Machine Language. ...
Have you ever wished for a picture of a ButterFly with all it's pinout, connectors and headers labeled? I find it quite handy and have posted it here: ...
Hi, I've posted the following on AVRFreaks but thought I'd try here too. I'm not having much luck trying to get AVRStudio to recognize the Butterfly. I'm just...
Hi, im new to the forums so apologies for posting in the incorrect place if i have done so, also i am new to programming avr butterfly boards and this doesnt...
Hi All, Just joined the group. Hope to see a lot more postings over time. Has anyone found a suitable button for the joystick. I tried to find something on the...
Hellow!!! I have a question. I don't have serial port on my laptop. I can use a usb-rs232 convertor to program an avr butterfly??? Or I can use just a pcmcia...
Hi all! I m new to embedded system programming, I want to make an elctronic display using an LCD with an AVR microcontroller. I simply want to display text on...
I just go my butterfly and am trying to do a simple program to blink leds. This code compiles fine, but wont run the LEDs. If I take the FOR LOOPs out of the...
It looks good to me. Do you get any complier warnings or such. Have you tried other things just for grins? Like also moving the while into blink. JR ... ...
One thing I noticed. You are using the C++-ism of defining the loop counter in the for loop... for (int i=....) But if I recall, that just defines it in the...
If you live in Jakarta or can deal with there, you can try the Farnell distributor but so far I have not been able to locate any myself as everywhere is out of...
... Hi, What kind of LCD do you want to use? The Display at the Butterfly? Many projects on the net are using Displays basend on the HD44780 (or compatible)...
