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Post History: Paul

Paul

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Hi Rob, You can leave the LightBurn setting for S as 1000 and set the Mini Gerbil S max parm to a …In: Changing Power settings (S Value)

4 years ago

Hi, in order to fire the laser the following conditions must be met: LO terminal must be 0V (co …In: Laser not firing

4 years ago

Hi the laser on/off is done via G-code commands M4 and M5. The LO signal (Laser On) is connected fro …In: Laser not turning off while traveling

4 years ago

Hi, from what I can see is that the Mini Gerbil does connect well with Lightburn. Pls can you expand …In: k40 and lightburn not workig

4 years ago

Hi Pete, light travelling lines pop up when the "LO" signal wire (laser on or enable) is n …In: Traversal Lines have STARTED to occur

4 years ago

Fabulous pics! Well done. Cheers, PaulIn: Some pics done with mine

4 years ago

Hi Mario, this is probably related to a skewed bed. Also if you replace the tube alignments can be o …In: Quality Problems with Engravings

4 years ago

Hi Daniel, you can increase the max speed via the $ settings. The $ settings are the best possible s …In: MAX speed using mini GRBL

4 years ago

Hi Matt, I speculate that there is electrical noise coming thru the limit wiring triggering the limi …In: Alarm 9 Half way through cutting

4 years ago

Hi Simon, What happens when you wire the TL input on the power supply to ground or 5VDC? (Leave L …In: Mini Gerbil in 60w Lasercutter with different Power-supply

4 years ago

Hi Steve, It seems to be a bad grounding earth connection see K40 laser grounding instructions …In: mini gerbil keeps freezing during engraving

4 years ago

Thanks for the update Casey!In: Error messages

4 years ago

Hi Phil, It seems to me that there is an issue with the IN signal reference. If that does not go …In: laser doesn't fire exactly faster than 50mm/s with my K40

4 years ago

Hi Simon, The laser works with two signals LO-Laser On and PWM. If LO stays low then the laser st …In: Mini Gerbil in 60w Lasercutter with different Power-supply

4 years ago

103 and 104 are the A and B axis in the firmware but not used on the processor. We should have taken …In: default mini settings

4 years ago

Installed the board last night (pot not connected) and all is working well, I still like the idea of …In: Potentiometer needed with mini gerbil?

4 years ago

Hi Coen, yes I saw Dan's email so all good. Hopefully it fixes the issue. Cheers!In: Error messages

4 years ago

Hi Simon, the GND on the big connector header on the MG is the common ground. The GND signal is also …In: Mini Gerbil in 60w Lasercutter with different Power-supply

4 years ago

Hi the power supplies need to share a common ground gnd in order to work. WP stands for water protec …In: Mini Gerbil in 60w Lasercutter with different Power-supply

4 years ago

Hi Casey, these are typical electrical noise issues. See if you can rewire or add a capacitor (5V 10 …In: Error messages

4 years ago

Hi Simon, You TL is the LO signal. The symptoms you describe seems to be a electrical noise on the p …In: Mini Gerbil in 60w Lasercutter with different Power-supply

4 years ago

Hi, yes you can wire two y axis motors in parallel. However the stock k40 power supply probably can& …In: Dual Y Motor

4 years ago

Have you tried to lower $30 settings say to 500 and retest? If that does not work that it's lik …In: Unable to increase power above 20%

4 years ago

Yes that looks about right to me. They are normally closed (NC). Cheers!In: upgrading limit switches

4 years ago

Hi, there is no cap, so 100% is the max which is about 18mA on the K40. Running at laser at 100% wil …In: Unable to increase power above 20%

4 years ago

Hi, it can have various causes: Laser ground for PWM is bad hence it intermittently floats (las …In: PWM Control issues (laser is firing more than set in software)

4 years ago

Note M codes don't work when the gantry is not moving in laser mode $32=1In: M3=off M4=on

4 years ago

Hi Daniel, it's hard to tell. Probably the LO connection is loose hence the laser stays on. $28 …In: M3=off M4=on

4 years ago

Hi, it's hard to tell since the machine is 10 years and many things might not work. The connect …In: Will the Gerbil work with my hardware?

4 years ago

Normally when one axis does not home correctly, it's a switch issue (electronic switch voltage …In: Need Help with Homing Issue

4 years ago

Hi, you can set the S parm in Lightburn and Mini Gerbil ($30). Noramlly you sync them and set both t …In: Hard set maximum PSU power

4 years ago

also check the earth of the mains see https://awesometech1.wpengine.com/k40-laser-grounding-instruct …In: Higher Laser Power setting causing stepper motors to loose steps

4 years ago

Hi that is very strange and I would suggest to use a different program to verify and debug it. Yo …In: Mini Gerbil beginner issues (Optical End stops, No working firmware, Unlocking Laser motors)

4 years ago

Hi, the noise filter or cap (non-polarised 100 nF) can be connected between the screw terminals 5V a …In: check door alarm?

4 years ago

Yes, a separate power supply can be used. You need to take in the following considerations: …In: Power supply

4 years ago

Hi, Yes you can issue a $X command which unlocks the gantry. If you set up a macro in Laserweb with …In: Mini Gerbil beginner issues (Optical End stops, No working firmware, Unlocking Laser motors)

4 years ago

Hi Rommel, the mini Gerbil does have noise suppressors on the board. The additional filtering can be …In: check door alarm?

4 years ago

Hi Riley, The speed on the Mini Gerbil is not so accurate (it's actually higher then indicat …In: jerking

4 years ago

Hi, Some power supplies are noisy and can cause intermittent behaviour. You can install a 1 micro …In: check door alarm?

4 years ago

Hi Josh, A potmeter is not required unless you want to manually adjust the power by hand rather t …In: Potentiometer needed with mini gerbil?

4 years ago

These artefacts happen when the LO laser on signal has some resistance e.g. bad connection. Lightbur …In: Laser not shutting off on moves

4 years ago

usually a loose PWM wire or bad connection causes this issue. Check the connection between the PWM o …In: MA staying around 12-14

4 years ago

The mini gerbil does have resetable fuses on the pcb. They reset when not powered and after a few mi …In: machine won't turn on

4 years ago

I suspect a power supply issue (too weak to drive the motors).In: troubleshooting

4 years ago

Hi you can swap the X and Y axis step sticks (tiny little pcbs on the mini). If the issue swapped ov …In: Mini Gerbil issues after sparking/new psu

4 years ago

Hi the power connector is an MTA156 which can be bought from RS-Online, Element14 and DigiKey.In: where to find parts for power connector ?

4 years ago

Hi In order for the laser to fire, the following connections on the power supply needs to be grounde …In: No laser power

4 years ago

Hi the mini Gerbil has 16 bits PWM and the best application to use the mini is Lightburn (there is a …In: 16 bit pwm upgrade for k40

4 years ago

Hi Arne, my apologies but we got spammed and our email within our website went down. Happy to hel …In: need help MiniGerbil does not work

4 years ago

The grinding issue is caused by the Limit switches not connecting properly. The plug must be turned …In: Griding motors on non-ribbon k40 version

4 years ago

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