The ADC Troubles of C8051F040
Good afternoon,all I would like to ask you some advice about my project cause I am an electronic fan. My professional knowledge is limited. I am doing a project using AD of C8051F040 to sample. The...
View ArticleInkscape SVG file question and some EBB command quesitons
I'm trying to port the EggBot code to a different microcontroller, which is going fairly well. I've gotten the EggBot extension to recognize my board by telling it to provide EBBmimic when it receives...
View ArticleAxi Draw 3 - file types used
I have recently purchased axi draw 3 and have some questions about file types support: 1. Can print from .eps files? 2. Can you print from .ps files? 3. Can if print .pdf?
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the Self-Excited Oscillation of OPA551
Because my project need 24 voltage output, output voltage cascade such as every 4V, The 24 cascade is 4*24=96V. Every output voltage is solation voltage+DAC( because the small ouptut current of DAC,...
View ArticleMax size of plot?
Hello, I'm interested in an AxiDraw but only if there's an easy way to do large format plotting (posterboard or larger). Is this possible by increasing the rail/cable length or is repositioning the...
View ArticleAlpha Clock Five Blue Edition 5th LED Group Won't Light
I just assembled the Alpha Clock Five Blue Edition and the entire 5th LED group isn't lighting up. The rest of the LEDs work flawlessly. What can I check? I will double check the solder joints again,...
View ArticleAlpha Clock Five Projects
Just giving an update on my projects in case anyone is interested. I was able to get some timed reminders up and running. I also got automatic DST conversion to work fairly seamlessly without using...
View ArticleMulticolor SMDs
Total novice working with electronics. Purchased some Chanzon 5050 single color smds to use in greeting cards. Have had success hooking up to copper tape. I threw caution to the wind and also purchased...
View ArticleVirgina Woolf drawing strategy
Hi, The AxiDraw is a great piece of hardware. I was looking at Virginia Woolf portrait in the examples (https://github.com/evil-mad/axidraw/blob/master/examples/less basic demos/Woolf.svg) and I am...
View ArticleAxidraw extension
I am using the axidraw extension in Inkscape to drive my drawbot.My problem is that if I try to draw a 25mm square it comes out as 31mm square.How can I change the motor resolution to correct this?
View ArticleRaise/Lower motor Malfunctioning
Hello! I would appreciate any help. Last night in the middle of a drawing the vertical raise/lower motor seems to have stopped working. I've tried power cycling, EEB updating for the firmware,...
View ArticlePower Supply Seems to not work?
Just built my fabulous eggbot, but upon trying to calibrate the pen arm the servo would not move or respond at all. Through some digging on this forum, I saw that one possible problem could be the...
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Octolively Kit
Hello all, i recently decided to make up 5 Octolively LED kits. After soldering 3 together and testing them I was very happy with the soldering and could see that everything was working perfectly. Then...
View ArticleAlpha Clock Five powers off intermittently
I just finished building my Alpha Clock Five White kit, and it powered on fine and displayed Hello World. A few minutes later it shut off, and I couldn't get it working again. Then it came on again....
View ArticleFormatting Hershey text for the Axidraw
Hi, I'm wanting to compose a multi-line document for the Axidraw using Hershey text (at one go, rather than doing a line at a time). Is this possible? If so, how do you do it? Thanks.
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Alpha Clock Five buttons too tall?
I don't think I've done/built anything wrong, but I can't get the top piece of the case on properly without depressing the buttons constantly. They just seem to be too tall. Here's some bad pics trying...
View ArticlePen down is not working
Hello! Just got Axidraw V3, and the problem is that pen doesn't move down. Sometimes it works, but in the middle of drawing it raises and stays in that position. The motor is working but pen slide...
View ArticleLove the Mega Menorah 9000! ... but might have overheated mine?
Does anyone have any suggestions about what's a reasonable length of time that the MM9000 should be able to be plugged in and running without overheating the components? I'm wondering if I might have...
View ArticleLiPoly battery
I have two menorahs that I want to convert to 4.2V LiPoly batteries. The yellow one runs on 3.0V. The LEDs have a 2.1V drop and the stock resistors are 16 ohm. According to this article, (3.0V - 2.1V)...
View ArticleIncreasing the number of LEDs
Could I increase the number of LEDs per output without significantly modifying the circuit? I was thinking that 2 per output wouldn't necessarily cause a problem, 3 possibly. Would it just be a matter...
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