Re: avrdude: verification error and other weird behavior
I got myself a USBasp programmer from a friend and im getting this: avrdude: warning: cannot set sck period. please check for usbasp firmware update. avrdude: error: programm enable: target doesn't...
View ArticleRe: Servo wobbling, basic electronics question inside .. Help needed
Thanks. The servo deactivation delay fixed my wobble problems!
View ArticleRe: 2nd Build Ord Bot: Help ! Stepper Motor Problem :(
Dear Cefiar, attached is the pic of the driver: The board came with the A4988 drivers: ( 4988ET, A1347, 485L on the microprocessor ).. - assuming it is the 1/16 then. Belt used: MXL Timing Belts –...
View ArticleRe: 2nd Build Ord Bot: Help ! Stepper Motor Problem :(
QuoteCefiar Are the stepper drivers set for 1/16th microsteps (this is what the jumper settings are for? Those numbers in Marlin are fairly specific for fairly standard setups for drivers set up for...
View ArticleRe: avrdude: verification error and other weird behavior
Search the Arduino folder for a file named "avrdude.exe" - should be in a folder like hardware-tools-avr-bin. Seach the net for "avrdude GUI" or "avrdude-gui.exe" and find an exe program like that -...
View ArticleRe: avrdude: verification error and other weird behavior
ok almost there. what do i need to do in order for the atmega1284p to show up in the config file? I added this [gist.github.com] but the -p dropdown in the GUI doesnt list it. and also do i need to...
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Re: Firmware to drive X-Y galvanometer
Thank you so much. Fiber laser is the best choice. i bought a not standard galvo, the potentiometer is opposite of standard, and the supplier didn't send manual for me. I turn wrong adjustment...
View ArticleRe: 2nd Build Ord Bot: Help ! Stepper Motor Problem :(
It's a math calculation to get those steps/mm. You can usually work this out from the pitch of the threads, number of teeth, etc. Those values are really "microsteps/mm" in most setups, as a single...
View ArticleRe: avrdude: verification error and other weird behavior
I would check this page and from there try this one, and put it in that same arduino sub-folder where avrdude.exe is located. Afaik, it should work and should give those options including usbasp...
View ArticleRe: 2nd Build Ord Bot: Help ! Stepper Motor Problem :(
[www.daycounter.com] The link above will allow you to calculate precisely, the highest speed that the motor is capable of (and speeds higher than this will see problems occur). The actual maximum will...
View ArticleRe: 2nd Build Ord Bot: Help ! Stepper Motor Problem :(
Steps per unit is the number of steps required for 1 unit (mm) of motion, for common belt movement, no steps per revolution / (pulley diameter * pi) wil give this figure. If you're full stepping with...
View ArticleRe: avrdude: verification error and other weird behavior
Quotesungod3kWhat do i need to do in order for the atmega1284p to show up in the config file? I'll never understand why people look everywhere but into the RepRap wiki. It's there: [reprap.org]
View ArticleRe: avrdude: verification error and other weird behavior
Alright I found AVDUDESS 2.2 that has all the libraries. I still get the "cannot set sck period" error no matter what I try to read or write.
View ArticleRe: avrdude: verification error and other weird behavior
Check the connection and pinout.
View ArticleRe: avrdude: verification error and other weird behavior
I checked both orientations. When i plug it in the other way around he doesnt recognize an usb device. I ordered a new chip, if that one makes trouble as well I report back :)
View ArticleRe: Firmware to drive X-Y galvanometer
... I have really expensive geared DC-motors with 500x-encoders, so 2000 'clicks' per motor-rev, but 400000 clicks per mirror-rev, so something like 0,0009 degs resolution. But most encoder-servos...
View ArticleHelp choosing a control board
Hey guys! So I've decided to build a DIY Taz, and I'm trying to decide on a control board so I can get a complete BOM together. I've been looking at mostly the Ramps and Rambo boards, but I guess I'm...
View ArticleGlass inspection
Objective is to detect objectionable distortion in impact glass. E.g. an Insulated Glass (IG) of two panes laminated and ½ to ¾" insulator air space and a single pane in the makeup and all glass is...
View ArticleRe: Glass inspection
... you can use the polygonal rotating mirrors in laser-printer heads with the motors for projecting laser-lines. In the same heads is a linear f-theta-lens for a planar focus line -- could be usefull...
View ArticleDownclocking?!
In my youthful ignorance I ordered a 20mhz atmega 1284p replacement for my sanguinololu which ran with a 16mhz chip before. Apart from the fact that I didnt find any 16mhz chips sold and with that...
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