In this video we will build a professionally finished PCB using a CNC machine and a laser module. We will see how to create double-sided PCBs, how to perform the alignment, how to electrically connect both sides and how to add the soldermask and the silkscreen.

00:00 Introduction
00:47 Drilling
03:06 Connecting the two faces
06:58 Machining of the PCB
11:50 Soldermask & Silkscreen
18:55 Final result

In the following article on my website you will find all the details, frequently asked questions, configuration parameters and 3D models used in this video:

https://gomezgimenez.com/electronica/...

%% SOFTWARE

You can find the software to perform the laser alignment and test in the following links:
- Project page and instructions:
https://github.com/alvarogimenez/g-co...
- Installation and executables:
https://github.com/alvarogimenez/g-co...

FlatCAM version: 8.994
https://bitbucket.org/jpcgt/flatcam/d...

Candle version: 1.1.7
https://github.com/Denvi/Candle/relea...

%% MATERIALS

~ Chemicals and consumables ~
- Copper sulfate: https://www.amazon.es/dp/B07QB89QN3
- Citric Acid: https://www.amazon.es/dp/B07BMVYTNX
- Polysorbate 20: https://www.amazon.es/dp/B009EO1Y7Q
- Hydrochloric Acid: https://bit.ly/3i0yHog
- Conductive Ink: https://liquiwire.tech/products/liqui...
- UV mask: https://es.aliexpress.com/item/329005...
- Screen printing fabric (80T 200M): https://es.aliexpress.com/item/330271...

~Tools~
- CNC 1419: https://es.aliexpress.com/item/400110...
- Magnetic stirrer: https://www.amazon.es/dp/B08VRNKLJS
- Precision scale: https://www.amazon.es/dp/B089T3YFVB
- Airbrush: https://es.aliexpress.com/item/329660...
- Compressor: https://www.amazon.es/dp/B00JUZNGY8
- Hot air gun: https://www.amazon.es/dp/B00MA01HXW
- Sandpaper: https://www.amazon.es/dp/B07VTTSKQW
- Cleaning brushes: https://www.amazon.es/dp/B08XXS3NPN
- PCB drill bits: https://www.amazon.es/dp/B073P4PQLZ
- Conical drill (0.1mm 30º): https://es.aliexpress.com/item/400096...
- Virgin Copper PCB: https://www.amazon.es/dp/B07RBK9WW6
- UV lamp: https://www.amazon.es/gp/product/B08D...
- Screen printing spatula: https://www.amazon.es/gp/product/B07W...

Music by Ketsa