The kit laid out: three finished eight-digit displays inside glass tubes with cork stoppers, one blue and two red, above three bare dark driver boards and six loose four-digit panels, with the printed manual, three empty tubes, two pin header strips and a bundle of jumper wires below.

You have this7219tube

MAX7219 Vintage Tube LED Clock Kit

Eight 0.28-inch digits on a MAX7219, in a glass tube with a cork. Three displays arrive built and three arrive as pieces — a driver board and two four-digit panels, in red or blue, with a colon or with decimal points.

Displays: 63 built, 3 to build
Digits: 8per display
Wires: 53 signal + power
Supply: 4.0–5.5V

Start here · 01 Three wires, eight digits The reference

Product questions & answers ↓

The whole handbook12 articles · 55 min DatasheetPDF · cdn-shop.adafruit.com Pinout and specsThe pin table, and the questions people ask first

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MAX7219 Vintage Tube LED Clock Kit

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MAX7219 Vintage Tube LED Clock Kit

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Email us or reply to your order, and quote 7219tube — that identifies the product. If something is missing from the bag, your order is the record of what shipped.

Take it with you

Point a phone camera at the code and this page opens there. It is the same address as the one printed on your box, so it is also what to show someone you are passing the board to.