Ethernet connections
Brett Sayles · Source · Pexels License
Converted to WebP and resized; the layout may crop the display.
Photographs illustrating engineering fields, articles and carousel slides. Unless identified as the Mais Pipoca machine, equipment images are illustrative and do not depict projects or installations by Marcos Aquino, clients or Dextro Cloud.
Photographed colors and objects were preserved. Wikimedia Commons photo versions remain under the indicated Creative Commons licenses, which apply to those images.
Multiple shields stacked on an Arduino board
Kushagra Keshari · Source · CC BY-SA 4.0
Resized and converted to WebP. Illustrative prototyping image, not a product by Marcos Aquino.
Radxa ROCK 3A — Rockchip RK3568
Radxa / Chean · Source · CC BY 3.0 / CC BY-SA 3.0
Converted to WebP with original transparency preserved. Illustrative third-party development board. Radxa Wiki states CC BY 3.0 in its footer and CC BY-SA 3.0 in its copyright metadata.
From transistor to cloud — engineering montage
AI-generated illustration created for this portfolio at Marcos Aquino’s request.
Illustrative composition of circuit boards, IoT devices, server racks and industrial sensors. It does not depict actual products or installations.
SMT line in electronics production
Bananovaya · Source · CC BY-SA 4.0
Resized and converted to WebP. Illustrative production line at a different manufacturer; this is not the Chave Digital facility.
Snack vending machine
Deybson Mallony · Source · Pexels License
Converted to WebP and resized. Generic vending-machine photograph, unrelated to Mais Pipoca.
Mais Pipoca popcorn vending machine
Promotional video thumbnail · Source video
YouTube thumbnail converted to WebP and used with the Mais Pipoca article only. Copyright remains with its rights holder.
Wall-mounted alarm panel, horn strobe and manual call point
CaptainChris2019 · Source · CC BY-SA 4.0
Converted to WebP and resized; the layout may crop the display.
C++ source code
Patrick Martin · Source · Unsplash License
Converted to WebP and resized; the layout may crop the display.
Data center infrastructure
Brett Sayles · Source · Pexels License
Converted to WebP and resized; the layout may crop the display.
Digital oscilloscope bench
khezez | خزاز · Source · Pexels License
Converted to WebP and resized; the layout may crop the display.
i.MX6 system-on-module
Jakednb · Source · CC BY-SA 4.0
Resized and converted to WebP. Generic third-party module photograph, not Marcos Aquino’s design.
Hands testing an electronics board
Blaz Erzetic · Source · Unsplash License
Converted to WebP and resized; the photograph's proportions are preserved. Generic illustrative image, not a project by Marcos Aquino.
Control and automation modules
Maarten Ceulemans · Source · Pexels License
Converted to WebP and resized; the layout may crop the display.
Debian/Linux terminal
Lukas · Source · Unsplash License
Converted to WebP and resized; the layout may crop the display.
The generated portrait of Marcos Aquino at the workbench was retained at his request. The original portrait remains in article bylines.