[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4693: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3823)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4695: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3823)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4696: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3823)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4697: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3823)
Printrbot Talk Forum • Search

Search found 149 matches

Return to advanced search

Re: Anyone successfully added an Extrudrboard/LCD?

Fascinating! I took my Marlin Github pull from the Printrbot Github page's most recent link: https://github.com/Printrbot/Marlin Here's the pins.h section: /**************************************************************************************** * Teensylu 0.7 / Printrboard pin assignments (AT90USB1...
by Tdeagan
2013-Sep-Sun-21-Sep
 
Forum: Troubleshooting talk
Topic: LCD problems (solved) and Firmware Pin Mapping
Replies: 31
Views: 14783

Re: Anyone successfully added an Extrudrboard/LCD?

This is convoluted stuff. I spend much of my work-life futzing with issues like this. A few choice blog posts/notices on the Printrbot website would go a long way to clearing things up. There are a couple contributing problems, the first of which is the number of places that state something like &qu...
by Tdeagan
2013-Sep-Mon-10-Sep
 
Forum: Troubleshooting talk
Topic: LCD problems (solved) and Firmware Pin Mapping
Replies: 31
Views: 14783

Re: Printrboard headaches and LCD voltage

Fascinating!!

I can't see the LCD part# on my Printrbot purchased LCD. Did you have to desolder your's to see it?
by Tdeagan
2013-Sep-Mon-12-Sep
 
Forum: Troubleshooting talk
Topic: Printrboard headaches and LCD voltage
Replies: 21
Views: 7627

Re: Printrboard headaches and LCD voltage

I peeled the sticker with the part number out with a probe. Sure as shinola, you're right, mine is:




3.3V , 3.0V backlight. And this is _clearly_ being powered by a 5V pin off the Printrboard.

Great catch!! Now, what to do next?
by Tdeagan
2013-Sep-Mon-12-Sep
 
Forum: Troubleshooting talk
Topic: Printrboard headaches and LCD voltage
Replies: 21
Views: 7627

Re: Printrboard headaches and LCD voltage

You're dead on the money. The LCD part is a 3.3V LCD (I peeled the sticker with the partnum out with a dental probe.)





3.3V , 3.0V backlight. And this is _clearly_ being powered by a 5V pin off the Printrboard.

Aargh. (and great catch by Thew!)
by Tdeagan
2013-Sep-Mon-12-Sep
 
Forum: Troubleshooting talk
Topic: Printrboard headaches and LCD voltage
Replies: 21
Views: 7627

Re: Anyone successfully added an Extrudrboard/LCD?

I also responded in Thew's thread . He's dead on the money. The LCD part is a 3.3V LCD (I peeled the sticker with the partnum out with a dental probe.) NHD-0420AZ-FL-YBW-33V3 Data Sheet 3.3V , 3.0V backlight. And this is _clearly_ being powered by a 5V pin off the Printrboard. Aargh. (and great catc...
by Tdeagan
2013-Sep-Mon-12-Sep
 
Forum: Troubleshooting talk
Topic: LCD problems (solved) and Firmware Pin Mapping
Replies: 31
Views: 14783

Re: Anyone successfully added an Extrudrboard/LCD?

I'm with you on the confusion. I left a comment on the pins.h checkin that changed the pin numbers in the most recent printrbot firmware asking what abstraction layers are in play. I not that lincomatic got frustrated on this topic and talked about it in his blog at http://blog.lincomatic.com/?p=537...
by Tdeagan
2013-Sep-Mon-15-Sep
 
Forum: Troubleshooting talk
Topic: LCD problems (solved) and Firmware Pin Mapping
Replies: 31
Views: 14783

Re: Anyone successfully added an Extrudrboard/LCD?

I've added the core_pins.h definitions. Clearly a lot of those are in use. One explanation for the pin numbering switching we see is the use of different def files. But I'm still not clear on which ones/when/how. The 'key' between the different definitions is the PIN, i.e. PINA0 is what I'm matching...
by Tdeagan
2013-Sep-Mon-16-Sep
 
Forum: Troubleshooting talk
Topic: LCD problems (solved) and Firmware Pin Mapping
Replies: 31
Views: 14783

Re: Anyone successfully added an Extrudrboard/LCD?

The USB connection disappearing is more a result of Brook just ordering the cheapest LCD he could find, not checking the specs, and ending up with 3.3V LCDs. Fortunately, the only thing different is the value of the current limiting resistor for the backlight. You can disconnect LCD backlight and s...
by Tdeagan
2013-Sep-Mon-16-Sep
 
Forum: Troubleshooting talk
Topic: LCD problems (solved) and Firmware Pin Mapping
Replies: 31
Views: 14783

Re: Anyone successfully added an Extrudrboard/LCD?

Got my RAMPS 1.4 LCD working with the Printrboard by making a simple patch cable out of breadboard jumpers. https://lh3.googleusercontent.com/-CV8DaPU2WV0/UiUQgvQtkvI/AAAAAAAACbg/8kpO6p8Hqts/w1143-h857-no/IMAGE_1.jpeg Patch list looks like: PB.1-EXP1.9 PB.2-EXP1.10 PB.5-EXP1.8 PB.6-EXP1.7 PB.7-EXP1....
by Tdeagan
2013-Sep-Mon-17-Sep
 
Forum: Troubleshooting talk
Topic: LCD problems (solved) and Firmware Pin Mapping
Replies: 31
Views: 14783

Re: Anyone successfully added an Extrudrboard/LCD?

I understand Port A Bit 0 etc, and I can see from the schematic and from the Atmel data sheet how that maps to a physical pin on the chip. That's the kind of programming I cut my teeth on back in the day. And I understand the concept of - and the reasons for - a level of abstraction. I have used it...
by Tdeagan
2013-Sep-Mon-17-Sep
 
Forum: Troubleshooting talk
Topic: LCD problems (solved) and Firmware Pin Mapping
Replies: 31
Views: 14783

Re: Printrboard headaches and LCD voltage

Is that the R7 shown in this pic?

lcd.jpg
by Tdeagan
2013-Sep-Tue-13-Sep
 
Forum: Troubleshooting talk
Topic: Printrboard headaches and LCD voltage
Replies: 21
Views: 7627

Re: Temperature measurments of print bed and hot end

Since you guys are chatting about Autotune, I'm kinda stuck on an aspect of that. The temp on my extrudrboard extruder is oscillating nastily (set to 235, oscillates between 207 and 249) I want to Autotune and know the syntax for extruder specific tuning: M303 E1 S235 C5 (five cycles tuning to 235 o...
by Tdeagan
2013-Sep-Wed-16-Sep
 
Forum: Troubleshooting talk
Topic: Temperature measurments of print bed and hot end
Replies: 19
Views: 19235

Extrudrboard hotend > ±20ºC oscillation (solved!)

{Sorry to keep hammering the site with Extrudrboard problems, but I'm at my wits end.} I have a Printrbot Extrudrboard attached to my Rev. D Printrboard (Printrbot Plus V1) I have successfully upgraded the firmware despite problems . I have successfully gotten an LCD controller to work despite probl...
by Tdeagan
2013-Sep-Wed-19-Sep
 
Forum: Troubleshooting talk
Topic: Extrudrboard hotend > ±20ºC oscillation (solved!)
Replies: 23
Views: 11562

Re: Extrudrboard hotend > ±20ºC oscillation

Since the bed is bang-bang, that would nicely match what I'm seeing on the temperature readout of the thermistor. It's not a gradual oscillation, it ramps up towards the set point, then jumps immediately to the top, ramps down to the set point and then has a hard down to the low value ad infinitum. ...
by Tdeagan
2013-Sep-Wed-22-Sep
 
Forum: Troubleshooting talk
Topic: Extrudrboard hotend > ±20ºC oscillation (solved!)
Replies: 23
Views: 11562

Re: Extrudrboard hotend > ±20ºC oscillation

Are the extruders really that different? What happens if you plug the original extruder (with its thermistor, of course) into the second extruder ports and the second extruder into the original ports? What happens if you use the tuning parameters for the original hot end as the parameters for the s...
by Tdeagan
2013-Sep-Wed-22-Sep
 
Forum: Troubleshooting talk
Topic: Extrudrboard hotend > ±20ºC oscillation (solved!)
Replies: 23
Views: 11562

Re: LCD problems (solved) and Firmware Pin Mapping

The firmware is set up to expect a 4x20 LCD (driven in 4-bit mode). I haven't looked at the other marlin options, there may be an i2c option in there, but it wouldn't be happy coming off the Printrboard ext2 pins without a lot of new code. It's also looking for a rotary encoder switch for menu selec...
by Tdeagan
2013-Sep-Thu-18-Sep
 
Forum: Troubleshooting talk
Topic: LCD problems (solved) and Firmware Pin Mapping
Replies: 31
Views: 14783

Re: LCD problems (solved) and Firmware Pin Mapping

Check out my post above. I used some breadboard jumper cables and figured out the patch and it works great! Not all the ramps controllers are exactly the same, but they're all almost identical. All of them should be pretty close but I'd check the schematic to make sure. The one I have is a clone of ...
by Tdeagan
2013-Sep-Thu-18-Sep
 
Forum: Troubleshooting talk
Topic: LCD problems (solved) and Firmware Pin Mapping
Replies: 31
Views: 14783

Re: Extrudrboard hotend > ±20ºC oscillation

The bed bang bang heating is definitely impacting the second extruder. The second extruder will level out fine at target temp until the bed is heated. When the bed comes on, it starts doing it's oscillation. I attached scope probes to the power line of both the bed heater and the second extruder hea...
by Tdeagan
2013-Sep-Fri-16-Sep
 
Forum: Troubleshooting talk
Topic: Extrudrboard hotend > ±20ºC oscillation (solved!)
Replies: 23
Views: 11562

Re: Extrudrboard hotend > ±20ºC oscillation

Can you get your scope onto the +12V and the +5V lines on the daughter board? For that matter, can you scope the "ground" voltage on the daughter board relative to the main ground on the Printrboard? For the previous traces above I attached: - Probe1-GND to a spare ground line from the Pr...
by Tdeagan
2013-Sep-Sat-12-Sep
 
Forum: Troubleshooting talk
Topic: Extrudrboard hotend > ±20ºC oscillation (solved!)
Replies: 23
Views: 11562

Re: Extrudrboard hotend > ±20ºC oscillation

This should be easy: Connect your probe ground to Printrboard ground, and then look at the signals on the unused thermistor pins. One of them is ground, and the other is +5V through a resistor - which should be in effect +5V if you have normal 1M or 10M resistance probes. Sorry, I clearly drank too...
by Tdeagan
2013-Sep-Sat-13-Sep
 
Forum: Troubleshooting talk
Topic: Extrudrboard hotend > ±20ºC oscillation (solved!)
Replies: 23
Views: 11562

Re: Extrudrboard hotend > ±20ºC oscillation

Okay! Based on: Graph 1 - 5V side of the extrudrboard unused thermistor (actually the 10K dummy load resistor required to keep from getting a MINTEMP error.) Graph 2 - 12V bed heater on printrboard https://lh4.googleusercontent.com/-3HgzVHCOA_0/UityOvJDIvI/AAAAAAAACcw/1ylq2Yb4yfI/w1103-h827-no/IMAGE...
by Tdeagan
2013-Sep-Sat-13-Sep
 
Forum: Troubleshooting talk
Topic: Extrudrboard hotend > ±20ºC oscillation (solved!)
Replies: 23
Views: 11562

Re: Extrudrboard hotend > ±20ºC oscillation

I tried 3 configurations. CONFIG 1 - PROBE 1 GND to Printrbot supply GND, PROBE 1 SIG to Extrudrboard supply GND (PROBE 2 watching the bed heater 12V line) CONFIG 2 - GND connection made between the two power supplies. Same Probe configs as CONFIG 1 (This actually appears redundant. After disconnect...
by Tdeagan
2013-Sep-Sat-16-Sep
 
Forum: Troubleshooting talk
Topic: Extrudrboard hotend > ±20ºC oscillation (solved!)
Replies: 23
Views: 11562

Re: Extrudrboard hotend > ±20ºC oscillation

Well, you did the first part the way I meant: one probe on the extruderboard +5V (proxy) and one probe on the main board heater circuit. And you did see a change. Now what lwalkera and I would like to see is one probe on the extruderboard ground (at the thermistor header) and the other probe on the...
by Tdeagan
2013-Sep-Sat-19-Sep
 
Forum: Troubleshooting talk
Topic: Extrudrboard hotend > ±20ºC oscillation (solved!)
Replies: 23
Views: 11562

Re: Printrboard headaches and LCD voltage

See my post above with a link to the data sheet and part. Almost all of the 16 pin LCDs are interchangeable (if they're of the same voltage.)
by Tdeagan
2013-Sep-Sat-20-Sep
 
Forum: Troubleshooting talk
Topic: Printrboard headaches and LCD voltage
Replies: 21
Views: 7627

Re: Extrudrboard hotend > ±20ºC oscillation

Sigh, both the LCD controller and the Extrudrboard are turning out to be unusably flawed. I tried tying a ground between the two power supplies and that didn't make a difference (even with no tie between them, they have a shared ground somewhere.) I've got a monster 750W power supply from an old Del...
by Tdeagan
2013-Sep-Sat-21-Sep
 
Forum: Troubleshooting talk
Topic: Extrudrboard hotend > ±20ºC oscillation (solved!)
Replies: 23
Views: 11562

Re: Extrudrboard hotend > ±20ºC oscillation

You need to connect a heavy wire between both boards, not just connect the two grounds of the power supplies together. On the power supply heating the heatbed, the high current causes a voltage drop across the wire connecting it to the power supply, raising it's ground relative to the power supply ...
by Tdeagan
2013-Sep-Sun-11-Sep
 
Forum: Troubleshooting talk
Topic: Extrudrboard hotend > ±20ºC oscillation (solved!)
Replies: 23
Views: 11562

Built a nice filament drying kiln

I got sick of cursing at my foaming filament so I adapted the design from a wood drying kiln and built my self a nice filament drying kiln this weekend. I used two 100W light bulbs wired in parallel with a dimmer. Built a 3' tall x 12" wide box out of 3/4" foil covered insulation board and...
by Tdeagan
2013-Sep-Sun-22-Sep
 
Forum: Material talk
Topic: Built a nice filament drying kiln
Replies: 6
Views: 3639

Re: Built a nice filament drying kiln

Nice setup. It looks scorching hot with the silver reflecting the light bulbs. (just an illusion, I know :lol: ) Thanks. Run one, before I added the dimmer took the temp up to 135°C before I pulled the plug. I had some test filament that got pretty gooey. :? Personally I bought a food dehydrator fr...
by Tdeagan
2013-Sep-Mon-20-Sep
 
Forum: Material talk
Topic: Built a nice filament drying kiln
Replies: 6
Views: 3639

Re: Built a nice filament drying kiln

I've just been using the crystal kitty litter in a closed container. A humidity indicator inside the container says it consistently stays below 20%. Maybe it doesn't dry the filament as fast as heat, but it does work over time. Taulman ships their nylon inside closed bags with little desiccant pack...
by Tdeagan
2013-Sep-Mon-21-Sep
 
Forum: Material talk
Topic: Built a nice filament drying kiln
Replies: 6
Views: 3639

Re: Calibration cube looks kind of like a frosted mini wheat

Could be a variety of things, the first thing I'd check is the Extruder ESteps value. There are numerous posts and instructions for calibrating the extruder, so I won't repeat them here. But that's essential. Calibrating the X and Y axes may make a difference as well. The settings in your slicer cou...
by Tdeagan
2013-Sep-Fri-14-Sep
 
Forum: Newbie talk
Topic: Calibration cube looks kind of like a frosted mini wheat
Replies: 5
Views: 1925

Re: My first blob / evenly spaced ridges?

This is a Z-Axis effect. It's frequently caused by math. Really. RetireeJay has done a fantastic writeup of this issue: http://www.printrbottalk.com/forum/viewtopic.php?f=20&t=4596&hilit=ribbing It's not impossible that it's mechanical, if the z threaded rod is wobbling badly, that could be ...
by Tdeagan
2013-Sep-Fri-14-Sep
 
Forum: My first blob
Topic: My first blob / evenly spaced ridges?
Replies: 5
Views: 2376

Re: x axis slips part way through some prints

This could be caused by the x-axis motor not getting sufficient amperage and missing steps. The Printrboard has trim pots (one per motor,) which can be adjusted to provide more power. Turn them incrementally clockwise to get more power (don't go so far that the motor starts running hot.) There may b...
by Tdeagan
2013-Sep-Fri-14-Sep
 
Forum: Simple talk (hardware)
Topic: x axis slips part way through some prints
Replies: 7
Views: 2858

Re: Massive Motherboard Problem

Ouch! There aren't a lot of things to check. You've tried a different USB cable, so next try a different USB port on the computer. Lastly try a different computer. If you can't get any love from either of these, you may be looking at a fried board. On the outside chance you've got a AVR programmer o...
by Tdeagan
2013-Sep-Fri-14-Sep
 
Forum: Troubleshooting talk
Topic: Massive Motherboard Problem
Replies: 3
Views: 1404

Re: Another Dial Indicator Bracket

Merry Christmas! As a gift in return for your many contributions, here's your dial indicator bracket in OpenSCAD. Do with it as you will :D //RetireeJay's Another Dial Indicator Bracket fudge = .01; $fn = 30; x_offset = -30; base_x = 80; base_y = 53; base_z = 7.021; total_z = 18.07; dial_cutout_r = ...
by Tdeagan
2013-Sep-Sat-18-Sep
 
Forum: Showcase
Topic: Another Dial Indicator Bracket
Replies: 29
Views: 16344

mysterious height problems

Gaargh! :cry: I've now made my 8th attempt at printing a moderately complex model. The problem is that the height is too short. I made the switch some time back to M8x1.25 threaded rods and nuts. This let me have a simple M92 Z2650 statement that has worked like a champ, until this print. Measured a...
by Tdeagan
2013-Sep-Mon-20-Sep
 
Forum: Troubleshooting talk
Topic: mysterious height problems
Replies: 6
Views: 1707

Re: mysterious height problems

Sorry all, the 2650 was a typo. Yes, I'm using 2560 everywhere. The LCD is telling me that it's moving the proper layer height, .25mm which it derives from the G-Code. So yes, it's something weird with the tool change. The two tool heads can be oriented in X and Y, but not Z. They have to be at the ...
by Tdeagan
2013-Oct-Tue-13-Oct
 
Forum: Troubleshooting talk
Topic: mysterious height problems
Replies: 6
Views: 1707

Re: mysterious height problems

I don't think you understood my previous post. I was suggesting that you look at the last z step of the G-code, which should tell you the TOTAL height that the code thinks it's printing. No, I understood your previous post. The LCD display is generated directly from the g-code processed by the firm...
by Tdeagan
2013-Oct-Thu-09-Oct
 
Forum: Troubleshooting talk
Topic: mysterious height problems
Replies: 6
Views: 1707

Re: 3mm ubis vs 1.75 same diameter hole

I'd be curious as well to see if the molten plastic didn't try and well up around the entrance, contributing to jams.

The 3 mm filament serves (to some degree,) as a piston on top of the molten pool. I can imagine 1.75 mm filament not serving that function as well.
by Tdeagan
2013-Oct-Sun-17-Oct
 
Forum: General
Topic: 3mm ubis vs 1.75 same diameter hole
Replies: 9
Views: 2586

Re: Reprap parts with PLA?

Mechanical considerations aside, PLA is, in many ways, the _traditional_ Rep Rap material. Key patents for it are held by one of the two original Rep Rap founders, Vik Oliver. Additionally, it's plant sourcing and biodegradable qualities make it very much part of the Rep Rap philosophy. Many many Re...
by Tdeagan
2013-Oct-Sun-17-Oct
 
Forum: Material talk
Topic: Reprap parts with PLA?
Replies: 6
Views: 3175

Re: filaments other than ABS or PLA

They even stock conductive filament. I have some but I haven't tested out the conductive filament yet but I've used the majority of their other stuff and it works well. Have you measured the actual resistance of this stuff? I could think of all sorts of cool applications if it was a good conductor....
by Tdeagan
2013-Oct-Fri-16-Oct
 
Forum: Newbie talk
Topic: filaments other than ABS or PLA
Replies: 12
Views: 3874

Re: Printrboard EXP2 pinout for generic LCD and encoder?

Some useful info in this thread, reference the linked spreadsheet that cross references all the various pin numbering schemes. viewtopic.php?t=4891
by Tdeagan
2013-Oct-Sun-17-Oct
 
Forum: Hack talk
Topic: Printrboard EXP2 pinout for generic LCD and encoder?
Replies: 20
Views: 14366

Re: Printrboard EXP2 pinout for generic LCD and encoder?

After looking at your spread sheet closer your physical EXP2 pin numbers are different from the way the eagle .brd file has them listed. In the picture I have attached, pin number 1 starts on the top right and goes left and pin 8 would be the bottom right. So I decided to try out how I think you ha...
by Tdeagan
2013-Oct-Tue-11-Oct
 
Forum: Hack talk
Topic: Printrboard EXP2 pinout for generic LCD and encoder?
Replies: 20
Views: 14366

Re: Printrboard EXP2 pinout for generic LCD and encoder?

I have a RepRap discount smart controller (http://reprap.org/wiki/RepRapDiscount_Smart_Controller) working on the printrboard. here's the pin mapping I used (PB.* = Printrboard EXP2; EXP1.*, EXP2.* are the two headers on the LCD controller, see schematic linked below): PB.1-EXP1.9 PB.2-EXP1.10 PB.5-...
by Tdeagan
2013-Oct-Tue-18-Oct
 
Forum: Hack talk
Topic: Printrboard EXP2 pinout for generic LCD and encoder?
Replies: 20
Views: 14366

Re: Printrboard EXP2 pinout for generic LCD and encoder?

I'm confused at what you're looking for at this point. Here is a schematic that should allow the connection of any standard 16pin 20x4 LCD and rotary encoder to the Printrboard EXT2 using the most recent firmware.
LCD.jpg
by Tdeagan
2013-Oct-Wed-10-Oct
 
Forum: Hack talk
Topic: Printrboard EXP2 pinout for generic LCD and encoder?
Replies: 20
Views: 14366

Re: Printrboard EXP2 pinout for generic LCD and encoder?

one last thing to check. We had very similar problems to the ones you're noting with the shipped Printrbot LCD's. This turned out to be due to them being 3.3V instead of 5V LCDs. This thread talks about how to identify and rectify this problem: http://www.printrbottalk.com/forum/viewtopic.php?f=15&a...
by Tdeagan
2013-Oct-Thu-09-Oct
 
Forum: Hack talk
Topic: Printrboard EXP2 pinout for generic LCD and encoder?
Replies: 20
Views: 14366

Re: Printrboard EXP2 pinout for generic LCD and encoder?

Good catch. I had to make that part up in KiCad and I apparently screwed up the labels. I have revised the schematic. LCD.jpg It's all taken from: http://reprap.org/mediawiki/images/7/70/Controller_final_reprapdiscount.pdf and revised to work with the Printrboard EXT2 header You really do want somet...
by Tdeagan
2013-Oct-Fri-11-Oct
 
Forum: Hack talk
Topic: Printrboard EXP2 pinout for generic LCD and encoder?
Replies: 20
Views: 14366

Re: Rev D Firmware

Gasp. I'm hoping to achieve two things with my Rev D. Printrboard on my circa 2013 wooden Printrbot Plus; 1) Support an E3D hot end (purchased and in route) 2) Support an auto-leveling probe (considering, but not yet purchased) The internwebs lead me to believe that #2 will require an upgrade to my ...
by Tdeagan
2016-Aug-Sun-13-Aug
 
Forum: Troubleshooting talk
Topic: Rev D Firmware
Replies: 10
Views: 5238

Re: Rev D Firmware

I took the wimp's way out. I went ahead and spent the afternoon hacking the RAMPS 1.4 into the Printrbot. My foray back into the world of the Printrboard rev.D made me feel like I was trying to do vintage restoration on one of my project cars. The RAMPS 1.4 at least still feels like a current model,...
by Tdeagan
2016-Aug-Sun-17-Aug
 
Forum: Troubleshooting talk
Topic: Rev D Firmware
Replies: 10
Views: 5238
Previous

Return to advanced search

cron