All the power supply oscillating problems are gone in the newer batches of Mendel-Parts electronics. (Together with other improvements). This in all units shipped after ~july/august 2011. The newest electronics have even more improvements like opto-isolated and regulated heated bed.by ElmarJongerius - Next Wave Electronics Working Group
Een board van mendel-parts is standaard al voorgeprogrammeerd! Dus die zou zo moeten werken. Indien dit niet het geval is kun je op het forum van MP zelf oplossingen voor problemen vinden.by ElmarJongerius - Dutch User Group - Archive
Dag Aldrik, Ik heb hier een werkende machine staan voor ontwikkelingen van Mendel-Parts. Als je wilt mag je wel eens een uurtje langsdroppen om te komen kijken naar hoe het werkt... (Veldhoven) Elmarby ElmarJongerius - Dutch User Group - Archive
What sometimes happens is that the firmware receive non-usable info in its buffer. Info like: extruder on, or extruder off. This is stored in the command buffer and whenever this buffer is emptied faster than it is filled, you'll get some pauses. This is due to the data transfer, the used g-code processor and the intelligence of the used host software. A higher baudrate makes that you don`t expby ElmarJongerius - Controllers
H21LOB is already out of business for quite a long time. EOL 2006 i guess. TCST2103 is a usable replacement, however the wiring is a little different as this is not a photologic but phototransistor device. Example wiring can be found in gen6 documentation. A real drop-in replacement is made by Optek. However this one is quite expensive. I'm sorry, forgot the partnumberby ElmarJongerius - Controllers
Try to remove all drivers and reinstall... Sometimes this works. Especially if you're using windows.by ElmarJongerius - Controllers
See attached spreadsheet. R2 is the resistance used to create the voltage divider with (on board). Rt is the nominal resistance of your NTC. Columns E...L are just for a simple kind of error calculation. This is not complete and/or reliable. Fill in all the values you would like to use. T is the temperature point with its corresponding Rt/R25 given in the datasheet. Column D will give you yourby ElmarJongerius - Firmware - mainstream and related support
Wat denken jullie van mendel-parts.com? Zit in Eindhoven en heeft PLA.by ElmarJongerius - Dutch User Group - Archive
Here is some more info, I will send it over the reprap dev list also. See attached a plot of both tables (temp is in C). The original table has only a few points in the upper region. When the reading goes above 258 C precision is completely lost. And for the temperatures between 150 C and 258 C the reading is higher than your actual temp. My point is not that you can add as much points as you lby ElmarJongerius - Firmware - mainstream and related support
I was checking out the temperature regulating of the FiveD firmware (not the official one but the Gen6) because Camiel found it was too unstable. When experimenting with very high temperatures (don`t ask me why ) he told me he had reading changing almost with ten`s of degrees at the same time. What I found was that almost all the temperature tables are optimized for a working zone for about maxby ElmarJongerius - Firmware - mainstream and related support