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Freewing's Blog – November 2021 Archive (4)

What Is the Difference Between PCBA and PCB

PCB = printed circuit board;

PCB isan important electronic components and support of electronic components, electronic components is the carrier of electrical connection.Because it is made by electronic printing, it is called printed circuit board.

PCB

PCB

What is a PCBA

PCBA = the assembly of PCB.

Various electronic devices are assembled on the circuit board by surface packaging technology.Next…

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Added by freewing on November 26, 2021 at 3:52am — No Comments

Asecam 5MP POE IP Camera H.265 Zoom 4X Varifocal lens Onvif Security Camera

it is made in China Asecam ,100% original,

Asecam 5MP POE IP Camera H.265 Zoom 4X Varifocal lens Onvif Bullet Outdoor Video Surveillance Network POE CCTV Xmeye Security Camera

Parameter:

Advanced H.265/H.264 Video compression

Super low rate,high definition quality of image

Support 2D/3D noise reduction,digital wide dynamic

Support…

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Added by freewing on November 21, 2021 at 1:49am — No Comments

Asecam 8MP 4K IP Camera Outdoor PTZ POE 30X ZOOM CCTV Security system

Asecam 8MP 4K IP Camera Outdoor PTZ POE 30X ZOOM Varifocal Onvif Speed Dome IR CCTV Security white Cameras

Super High 5.0 Megapixel Resolution

Cover more area and see more detail. 5.0 Megapixel cameras can cover a larger area without compromising image quality. Megapixel resolution cameras deliver high-definition images with much greater detail. They are ideal where a greater level…

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Added by freewing on November 21, 2021 at 1:41am — No Comments

The Supermarine Spitfire is one of the most popular warbirds in history. This British single-seat fighter was used famously by the Royal Air Force and the Allies, earning distinction during the Battl…

The Supermarine Spitfire is one of the most popular warbirds in history. This British single-seat fighter was used famously by the Royal Air Force and the Allies, earning distinction during the Battle of Britain and throughout World War II. Over 20,300 aircraft were produced with more than 24 variants. The Spitfire's versatility and maneuverability in the hands of…

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Added by freewing on November 21, 2021 at 1:39am — No Comments

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