K40 Laser control panel best upgrade under $10.

An update on my upgrades that i have made recently and a few pictures I have been working on.
1K Rotary pot:https://www.ebay.at/itm/3590S-2-102L-1K-Resistor-Ohm-Rotary-Wire-wound-Precision-Potentiometer-YR/253649603105?_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20180105095853%26meid%3D20d689e9be50474b98bee1da63f146c9%26pid%3D100903%26rk%3D1%26rkt%3D17%26sd%3D253649603105%26itm%3D253649603105%26pmt%3D1%26noa%3D1%26pg%3D2510209%26brand%3DMarkenlos&_trksid=p2510209.c100903.m5276
Digital readout; https://www.ebay.at/itm/Blue-Blau-5-Digit-Precision-Digital-Voltmeter-Voltage-Panel-DC-0-4-3000-33-000V/272491504368?hash=item3f71c262f0:g:m24AAOSwX4FdVljw
24 Volt cooling fan: https://www.banggood.com/24V-0_15A-5015-Sleeve-Bearing-Brushless-Turbo-Cooling-Fan-with-2Pin-XH2_54-Wire-for-3D-Printer-p-1425581.html?rmmds=buy&cur_warehouse=CN

Thingiverse link for 3d printed air assist: https://www.thingiverse.com/thing:3753948
LED Thermometer 3 Way FlowMeter For Water Cooling Liquid Cooler System:https://www.banggood.com/LED-Thermometer-3-Way-FlowMeter-For-Water-Cooling-Liquid-Cooler-System-With-2-Barbs-p-1256767.html?rmmds=myorder&cur_warehouse=CN
Here is the stv file for the panel https://www.thingiverse.com/thing:3596189

LED switchers :https://www.ebay.at/itm/12V-16mm-DIY-auto-Push-Power-Button-LED-Angel-Eye-ON-OF-Push-buttons-Metal-NEW/272597693011?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649
Make sure that you order 1 momentary switch and 5 on/off latch switchers.

Видео K40 Laser control panel best upgrade under $10. канала Let ́s Fix It