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Re: Max current on melzi v2.0

If your board maker has used the standard components, all outputs use the same mosfet So 11amps ish.. considering most fans are 0.35amp... your not going to have an issue..

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Re: Max current on melzi v2.0

Thank you Dust ! It's an official melzi 2.0 by reprappro and indeed I want to use 0.35 amps fan.

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Melzi - Heated bed is being powered via the USB cable

I've been using a Melzi (v1 I believe, with an Atmega644A) on my Mendel90 for several years now with Jumper 15 set to USB. It has suddenly dawned on me that I should be powering the Melzi from the PSU...

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Re: Melzi - Heated bed is being powered via the USB cable

The USB cable getting hot is a sign that you have a poor connection between the PSU negative terminal and the electronics, or a ground loop that is carrying a lot of current. See [duet3d.com]. It's...

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Re: Melzi - Heated bed is being powered via the USB cable

Thanks for that useful information. I narrowed the problem down to the power terminal on the Melzi and while desoldering the terminal to replace with a new one, the solder pad came off. It must have...

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Re: backup installed firmware?

Just went through a couple of days trying to get my cheap chinese made GT2560, which came with a Prusa i3 Clone (CTC D5983), to communicate with arduino. I was getting repeated...

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What is this board and can it run Marlin 1.1.8

Hello everybody! Let’s give it a quick introduction: I am owner of an orcabot 0.43 since some weeks now. I made it work and print and also started modding it. Now I am at the point where I want to...

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Re: What is this board and can it run Marlin 1.1.8

It does look very similar to a Gen 6 It depends on what main chip is on it 644p is two small for modern firmware 1284p is tight with modern firmwares (and can run into issues if you have a LCD or...

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Re: What is this board and can it run Marlin 1.1.8

Thanks. That was a good hint. On the chip it reads: ATMEL ATMEGA 644P 20AU 1048 I don’t have an LCD installed and currently don’t use ABL or Software retraction. I guess too many of these kind of...

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Re: What is this board and can it run Marlin 1.1.8

Most id themselves over serial on power on.. but not all, and early marlin just said v1, for everything Most come to the same issue with this... you can retrieve a lot of setting from the firmware...

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Re: What is this board and can it run Marlin 1.1.8

Thanks again. So my plan would than be the following: Back up the running firmware like described here: [reprap.org] Use the M501 command to get most of the settings Donwload Marlin 1.1.8 and adapt it...

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Re: What is this board and can it run Marlin 1.1.8

The chips says "ATMEGA 644P" so you need to use the 644p settings 1048 is probably a date code for manufacturer 48th week 2010 It also says its "20AU" so its a 20mhz chip... you need to look at the...

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Re: What is this board and can it run Marlin 1.1.8

I just got my printer setup again which uses the GEN6 board. I was looking at updating the firmware. Did you get 1.1.8 to run on the GEN6 board?

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Re: What is this board and can it run Marlin 1.1.8

No. I will earliest try it end of next week due to time constraints...:(

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Changing the hot-end mosfet on my sanguinololu

Greetings to all, the hot-end mosfet is gone, and I want to change it, but I was questioning to myself if the power module for heat-bed found on amazon like this [www.amazon.com] can be controlled...

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Re: What is this board and can it run Marlin 1.1.8

Ok so I got over my fear of bricking the only controller for this printer and was finally able to get Marlin 1.1.8 on my GEN6 board. So as I am sure you have found out the GEN6 board has an older...

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Re: What is this board and can it run Marlin 1.1.8

your a bit out of date... thats the old, not supported way to install Sanguino use this method: Start up Arduino IDE Open up the menu File|Preferences At the bottom is a field Additional Boards...

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RepRap discount full graphic LCD for sanguinololu

Hi guys i have a tronxy x8 that has a Melzi based/clone board and since i changed the firmware i'm not able to see anything on the LCD, even if i uncomment the right controller, so I don't know what...

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Re: RepRap discount full graphic LCD for sanguinololu

Solved

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Re: What is this board and can it run Marlin 1.1.8

lol yea that is a bit easier! I was searching the net and trying to follow the path from 00xx days till now. Yes my board and my expertise was out of date a lot has changed since I built my printer in...

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