see LCD types. For more on color LCDs, see LCD subpixels. The above illustration highlights one segment of the liquid crystal layer in a monochrome twisted nematic (TN) seven-segment display ...

We’re used to seeing all manner of seven-segment displays, be they mechanical, electronic, or something in between. But what all these displays have in common is that they’re, you know, displays.

For details about how liquid crystals work, see LCD subpixels for color screens and seven-segment display for monochrome ... The first LCD type, TN is used in low-cost readouts for consumer ...

There are 7 circles inside. Each circle has it's own trigger that read circle program and responds for opening/closing specific segment. Full assembly instructions are includede in the video!

It’s a 7-segment display that is completely mechanical! Built by [aeh5040], this beauty features 7 separate linkages that control each display segment. It’s powered off of a single motor ...