Опубликовано: 27 Июнь 2026 на канале: misticpoetry
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Last week I worked on this scrolling marquee. Using a 4x MAX7219 (about $4.95 USD) and a LG8F328 Larduino (~ $3.50 USD), I assembled a USB powered compact unit to display news, greetings, or any other message.