Re: 12864 Smart LCD with RAMPS 1.4 Strange behavior. :S
Q3 on the RAMPS drives the output labelled D8. What do you have connected to that output?
View ArticleWhy are there no AT90USB1287 boards ?
I`m curious why there is no reprap printing board with a AT90USB1287 Chip-set on the market ? pro`s: Direct USB Support, no FTDI which slow`s down the communication, probably the most important...
View ArticleRe: 12864 Smart LCD with RAMPS 1.4 Strange behavior. :S
D8 heatbed D9 two 40mm fans with separate mechanical on/off switch. D10 hotend.
View ArticleRe: 12864 Smart LCD with RAMPS 1.4 Strange behavior. :S
If you are running your heated bet that mosfet will get hot. How hot it will get depends on mosfet itself and how much power your heated bed uses. Check what your mosfet's part number is, then form...
View ArticleRe: Proper Resistance of a Heated Bed
QuoteGarry BartschSo that 11A is the holding current? What amperage will it trip at?Yes, 11A is the hold current. There isn't an absolute tripping current, it's all based on how much current for how...
View ArticleRe: Why are there no AT90USB1287 boards ?
Is the AT90* line supported by the Arduino IDE? Is it compatible with ATMega-based code? Looking at the spec sheets, I noticed that the AT90USB1287 tops out at 128kb of flash memory. The ATMega2560...
View ArticleRe: Why are there no AT90USB1287 boards ?
The original sanguino with 664 only has 64kb ram, and with the 1284p it has 128kb and its also running all stuff like Display ect. when i compile a Marlin with display it actually uses about 110kb.,...
View ArticleRe: Why are there no AT90USB1287 boards ?
The AT90USB line might have been a good choice a few years ago, but it is still an 8-bit processor. The 32-bit ARM-core ATSAM processors are so inexpensive now that there is no longer any reason to...
View ArticleRe: Why are there no AT90USB1287 boards ?
hey, open your eyes... http://reprap.org/wiki/Printrboard Atmel AT90USB1286 Microcontroller (or AT90USB1287 drop-in compatible for 20mhz support) http://reprap.org/wiki/Teensylu also a AT90USB1286...
View ArticleRe: Why are there no AT90USB1287 boards ?
Quotedc42 The AT90USB line might have been a good choice a few years ago, but it is still an 8-bit processor. The 32-bit ARM-core ATSAM processors are so inexpensive now that there is no longer any...
View ArticleRe: Why are there no AT90USB1287 boards ?
QuoteChri i know that the Atmel is not so fast compaired to a 32 bit arm, but when i look to my Sanguino i can print with 400mm/s from SD-Card including a Panelolu2 so its still fast enough for the...
View ArticleRe: Why are there no AT90USB1287 boards ?
100x123mm is very large, for example the sanguino has 100x50 mm, and is shouldn`t be larger i think otherwhise there may be some space troubles with small printers. The Duet itself has also only...
View ArticleRe: RADDS RepRap Arduino-Due Driver Shield (32bit)
Angelo, Thanks for your help in getting the RADDS board. It is working extremely well on BobC's Marlin spin. This thing makes my delta fly! I've built several custom 3DR's. The one with the RADDS...
View ArticleRe: RADDS RepRap Arduino-Due Driver Shield (32bit)
Quoterdm128 Angelo, Thanks for your help in getting the RADDS board. It is working extremely well on BobC's Marlin spin. This thing makes my delta fly! I've built several custom 3DR's. The one with...
View ArticleHot end suddenly not heating up
I have a home-built MendelMax 1.5+ that's been running great for around a year. RAMPS 1.4, 24V PSU with a 12V stepdown to run the hot end and fans. After a long print on Saturday, I turned the printer...
View ArticleRe: Why are there no AT90USB1287 boards ?
I agree that the Duet would be even better if it supported dual extruders without the add-on board - I had to buy the add-on board just to support the second extruder and hot end. I take your point...
View ArticleRe: Need to flash bootloader
Thanks for the reply. This area of electronics is all new to me so I appreciate the confirmation. I actually ended up ordering a USBtinyISP. I don't know one from the other but I see it's supported in...
View ArticleRe: New soldering iron, questions
Huh... I may have to revisit my heat setting choice. I just got my first regulated soldering station not too long ago and wasn't very impressed with it's performance over a standard iron. I always...
View ArticleRe: Hot end suddenly not heating up
What's the voltage when you measure between D10 ground and your power supply ground? It should measure 12V when you aren't calling for hot end heat and near 0v when you are. My money would be on a bad...
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