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This old-school LED matrix board kit is made up of six green LED matrices, each one being 5 x 7 pixels - making a total possible size of 30 x 7), plus a decimal point. You can use anywhere between 1 and 6 of the matrices, making a whole host of designs possible: how about a retro scrolling message display, 30-band spectrum analyser, or a retro clock.
The pHAT also works well with other HATs and pHATs. Why not trying it in combination with the Enviro pHAT to display temperature, pressure, and light readings.
To make things simple and easy there is a comprehensive Python library, as well as an assembly guide, and a getting started guide - so you'll be up and scrolling before you can say "all hands on deck".
Compatible with Raspberry Pi 3, 2, B+, A+, Zero, and Zero W
6x Green LED modules (you'll need to solder them yourself)
3x IS31FL3730 LED matrix driver chips
Drives up to 6x LTP-305 green and/or red LED matrices
Up to 30 x 7 pixels (5 x 7 per matrix plus a decimal point)