Pimoroni
LTP-305 LED matrix (pair) - Green
The Lite-On LTP-305 LED matrices have quite a heritage! They were first developed in 1971 by Texas Instruments, but subsequently have been manufactured ...
The Lite-On LTP-305 LED matrices have quite a heritage! They were first developed in 1971 by Texas Instruments, but subsequently have been manufactured by Lite-On.
They're available in two suitably retro colours - red or green - and each display has 5x7 pixels, plus a decimal point.
The matrices can be driven by our Micro Dot pHAT board, with up to 6 matrices in your choice of colours. Or drive them directly from a suitable microcontroller or matrix driver chip like the IS31FL3730 we use on Micro Dot pHAT.
Jargon buster
Plain-language definitions for the technical terms used above.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
- pHAT
- A smaller add-on board format for Raspberry Pi, similar in idea to a HAT but usually not full-sized. It matters because pHAT compatibility can affect how neatly a board stacks or fits into a Raspberry Pi project.
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