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Lynx wrote: Hi Mark, It's happening with me, I shorted the R5 and the reading become unreal near to the end of the pot (around 230ºC with 10k on R5). So, I have to use 12k & 100k on R5 & R6 to get 160 ~ 280 ºC, right? Many thanks, lynx Yes, they look pretty good. I don't have the intermedia...

I attempted to make it clear in my two posts. In my opinion, Never short R5. If you do and then you set the pot to its max setting, the thermistor runs wide open, so I would never short R5. If you use the thermistor I identified in my previous post, then use the R5 and R6 values from the chart I po...

Printing with the solution of Acetone + ABS is a better replacement of hot bed.

Check it on 5:32 of this video:
[youtube]http://www.youtube.com/watch?v=X9rGvW3ZjZQ[/youtube]

Pay attention with this solution, it sticks a lot. Do not use it with hot bed on your first test.

lynx

I think that they have a long backlog to improve the product. I think the Trimble will do it better. lynx

I'm happy that it helps someone.

I have made an OpenSCAD version, it is easily changed for others sizes. Sketchup is not intuitive when you need it.

lynx

I'm received one 4k thermistor and my I have 10k on R5, but the max temperature is 150 C. Which resistor I have to reduce (R5 or R7) ??? You need to short R5 to get the higher temps. Hi Chris, I did it, the temperature go to 230C near to the end of the pot. But the temperature read become unstable ...

I'm received one 4k thermistor and my I have 10k on R5, but the max temperature is 150 C.

Which resistor I have to reduce (R5 or R7) ???

Thanks,
lynx

A good example: http://www.thingiverse.com/thing:19414

It's working! Thanks for all

E-mail register have 2 minute delay, but it is working great!
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