opensource THC for Plasma , Fiber laser and co2 laser

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30 May 2020 08:59 #169398 by taloot
github.com/taloot/TalooTHC

TalooTHC
THC for fiber laser and plasma,, based on esp32,,, all variables can be set using webgui it convert analoge signal to PWM freq,, with defined range min and max read capacitance and conver it to PWM , with min max calibration, for fiber laser,, co2 auto foucas, or flame cutter designed to work with Linuxcnc Torch Hight Controller,

Main Features
12 bit ADC.
6khz sampling rate.
adjustable pwm output range.
display graph for analog and digital frequency.
IIR filter for Capacitance Value


How to use :-
there is Sketch and data here is the method of uploading, Sketch, and Data

randomnerdtutorials.com/install-esp32-fi...ploader-arduino-ide/

define your SSID, then upload the sketch,, open serial monitor, and u can see your ip.. use it in ur web browser

and access the configration for it from webgui

my esp32 similar to this roboticx.ps/?attachment_id=4630 make sure u use the right PIN,,

********** Gerneral rule******
the higher the freq the less error.
the lower the range between PWM upper and lower freq the more accurate it read and less error produced
for IIR filtering, there is variable for that,,
const float cutoff_freq   = 20.0;  //Cutoff frequency in Hz
    const float sampling_time = 0.005; //Sampling time in seconds.
    IIR::ORDER  order  = IIR::ORDER::OD3; // Order (OD1 to OD4)
The following user(s) said Thank You: phillc54, tommylight, thefabricator03

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30 May 2020 17:18 #169436 by tommylight
How does the ESP32 handle a plasma cutter starting near it ?
Have plenty of them but never tested that, as most probably it will drop the link anytime the torch fires with an HF/HV start plasma. Or maybe not ???

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31 May 2020 00:15 #169463 by thefabricator03
Would be great if someone could test this, I have about a 1000 projects going at the moment so I am out. But its good to see more open source possibilities poping up!

Its nice to have more than one option for something. As I am learning with my 3d printer build at the moment.

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31 May 2020 00:21 #169465 by phillc54

Would be great if someone could test this, I have about a 1000 projects going at the moment so I am out.

I only have 673 so I'll see what I can do. ;) but that will depend on how long OzPost takes...:whistle:

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31 May 2020 02:24 #169471 by thefabricator03

but that will depend on how long OzPost takes...:whistle:


Lol lets not talk about that... :dry: Aliexpess :whistle: 2 months Lol

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31 May 2020 04:00 - 31 May 2020 06:14 #169475 by taloot

How does the ESP32 handle a plasma cutter starting near it ?
Have plenty of them but never tested that, as most probably it will drop the link anytime the torch fires with an HF/HV start plasma. Or maybe not ???

no its not hanging,, it hangs with my poorly build diy divider.. ( and torch is too far for work peace)

i order this
item.taobao.com/item.htm?_u=v2nhrbi1a4f1&id=18440581032

and this is forwarder im using

www.shipforwarder.com/
Last edit: 31 May 2020 06:14 by taloot.

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31 May 2020 06:13 - 31 May 2020 06:15 #169478 by taloot

but that will depend on how long OzPost takes...:whistle:


Lol lets not talk about that... :dry: Aliexpess :whistle: 2 months Lol


aliexpress selling defective products,, mostly,, taobao,, they are different in quality and price,, also u got free shipping to ur forwarder.

also u can find anything u want...... u need to use google translate,,, .

this esp32 included charge controller for 18650 cell as ups.. cost only 2.4$
even they have special linuxcnc thing

item.taobao.com/item.htm?spm=a230r.1.14....=1&abbucket=7#detail
Last edit: 31 May 2020 06:15 by taloot.
The following user(s) said Thank You: phillc54

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19 Sep 2020 11:02 #182732 by pinder
Great work @taloot. Very much impressed with your 1kw laser work and this thc.
I want to use this thc with plasma.
Not so good with the computer languages..Can this be used with plasma without mods to the code for using voltage.
Can you please provide hooking diagram with diy voltage divider, and what changes are needed for hal.
Forgive me if my questions are non sence.

Thanks in advance

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21 Sep 2020 04:10 #183045 by taloot

Great work @taloot. Very much impressed with your 1kw laser work and this thc.
I want to use this thc with plasma.
Not so good with the computer languages..Can this be used with plasma without mods to the code for using voltage.
Can you please provide hooking diagram with diy voltage divider, and what changes are needed for hal.
Forgive me if my questions are non sence.

Thanks in advance

hello

u are using paraport or mesa?

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21 Sep 2020 04:47 #183053 by pinder

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