Re: Problem flashing Printrboard. Help please.
So check this out. I found COM3 but it says it is not connected, need to be connected and requires further installation. What's it (not) telling me?

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SoliForum - 3D Printing Community → Hacks & Mods → Problem flashing Printrboard. Help please.
So check this out. I found COM3 but it says it is not connected, need to be connected and requires further installation. What's it (not) telling me?

I think this was the work of Teensyduino, right? Did I miss a step?
I rechecked the checklist, doesn't look like I missed anything.
Wardjr here are the differences in the http://reprap.org/wiki/Printrboard instructions I found that work. I highlighted the important stuff in blue:
https://docs.google.com/document/d/1W_3 … nhjRg/edit
Wardjr here are the differences in the http://reprap.org/wiki/Printrboard instructions I found that work. I highlighted the important stuff in blue:
https://docs.google.com/document/d/1W_3 … nhjRg/edit
Okay guys, I'm alllmmmmost there, I just need to solve this last problem of Repetier not connecting to the SD. We've all seen this before and it bugs and embarasses me that I can't remember how to fix it. Help please.
It is a Windows 10 machine. What does it mean "device needs further installation"? Teeny installed it and I know zip about Teensy (except that it is very small).

Try going to the driver tab and reinstalling
I uninstalled the driver and am running Teensy installer again. I just read the small print. If you have Arduino running t may prohibit writing certain files. Also turn off your anti-virus. So, one of those could be my problem. More news as it happens.
You get an A for effort!!!
Ah ha!!!! It connects, xyz responds and homes, bed heats, but not the extruder. I'm checking that now.
Are you getting an error like M999 or max temp?
Soldered joints are fine, continuity through heater element is good. What voltage should I see at the little plug connecter for the heater? And that's DC, right?
when it is on, 12V DC this is more likely at the thermistor side of things.
Well, I removed and replaced the thermistor, confirmed no short to the heater body, restarted. Bed heats but not extruder. Besides thermistor what else could cause no voltage to the heater?
Turn the heat on and use a meter to verify you are getting voltage at the board pins.
No voltage at the extruder pins on the board.
And you're not getting an error in the log of RH?
This could be very bad.
Nope

This could be very bad.
That's not very optimistic, true but not optimistic ![]()
Or when you changed the configuration.h you had the wrong board selected and the pin assignment isn't correct.
teensy 2.0 i believe
No in the configuration.h you have to enter a number in your case it would need to be 81 like the bottom line.
//// The following define selects which electronics board you have. Please choose the one that matches your setup
// 10 = Gen7 custom (Alfons3 Version) "https://github.com/Alfons3/Generation_7_Electronics"
// 11 = Gen7 v1.1, v1.2 = 11
// 12 = Gen7 v1.3
// 13 = Gen7 v1.4
// 20 = Sethi 3D_1
// 3 = MEGA/RAMPS up to 1.2 = 3
// 33 = RAMPS 1.3 / 1.4 (Power outputs: Extruder, Fan, Bed)
// 34 = RAMPS 1.3 / 1.4 (Power outputs: Extruder0, Extruder1, Bed)
// 35 = RAMPS 1.3 / 1.4 (Power outputs: Extruder, Fan, Fan)
// 4 = Duemilanove w/ ATMega328P pin assignment
// 5 = Gen6
// 51 = Gen6 deluxe
// 6 = Sanguinololu < 1.2
// 62 = Sanguinololu 1.2 and above
// 63 = Melzi
// 64 = STB V1.1
// 65 = Azteeg X1
// 66 = Melzi with ATmega1284 (MaKr3d version)
// 67 = Azteeg X3
// 7 = Ultimaker
// 71 = Ultimaker (Older electronics. Pre 1.5.4. This is rare)
// 77 = 3Drag Controller
// 8 = Teensylu
// 80 = Rumba
// 81 = Printrboard (AT90USB1286)
// 82 = Brainwave (AT90USB646)
// 83 = SAV Mk-I (AT90USB1286)
// 9 = Gen3+
// 70 = Megatronics
// 701= Megatronics v2.0
// 702= Minitronics v1.0
// 90 = Alpha OMCA board
// 91 = Final OMCA board
// 301 = Rambo
// 21 = Elefu Ra Board (v3)
// Original Solidoodle w/ Sanguinololu shipped pre June 2013 - Choose 62
// Solidoodle w/ Printrboard shipped post June 2013 - Choose 81
#ifndef MOTHERBOARD
#define MOTHERBOARD 81
this is what's in Config.h
#define MOTHERBOARD 81
#define TEMP_SENSOR_0 6
#define HEATER_0_MAXTEMP 250
#define BED_MAXTEMP 110
#define EXTRUDE_MINTEMP 150
And it is Teensy ++ 2.0
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