{"product_id":"max7219-vintage-tube-led-clock-kit","title":"MAX7219 Vintage Tube LED Clock Kit","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCOMPLETE VINTAGE TUBE KIT\u003c\/strong\u003e Includes 3 pre-soldered 8-digit MAX7219 displays (1 Red Decimal, 1 Blue Decimal, 1 Red Clock-style with colons), 6 unsoldered 0.28\" 4-digit modules (2 Red Decimal, 2 Red Clock-style, 2 Blue Decimal), and 3 standalone MAX7219 driver boards for DIY builds. Six glass tubes with cork stoppers and all accessories included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIX AND MATCH COLORS AND STYLES\u003c\/strong\u003e Each MAX7219 driver controls two 4-digit 0.28\" displays as one continuous 8-digit display with decimal points or colons. Combine red and blue digits, decimal and clock styles to create your own custom configurations. Three ready-to-use pre-built versions plus six DIY modules give you flexible building options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRETRO TUBE-STYLE AESTHETIC\u003c\/strong\u003e Insert your assembled MAX7219 display into the included glass tubes with cork stoppers for a unique retro look. Place the included Black Diffusion Sheet above the digits to soften the LED light and create a glow-tube inspired aesthetic. Modern, safe, low-voltage LED technology with no high-voltage hassle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNIVERSAL MCU COMPATIBILITY\u003c\/strong\u003e Simple 3-wire SPI signal interface (DIN, CLK, CS) plus 5V power (VCC, GND) — only 5 connections needed. Works with most 3.3V\/5V microcontrollers including ESP32, ESP32-S3, ESP8266, Raspberry Pi Pico, STM32, and Micro:bit. Programmable through Arduino IDE, MicroPython, and CircuitPython. Sample code on Lonely Binary GitHub.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMAKER PROJECT READY\u003c\/strong\u003e Complete accessories included: 6 glass tubes with cork stoppers, 1 black diffusion sheet, 2 40-pin header strips, and 30 jumper cables (150mm). Perfect for retro clocks, voltmeters, temperature monitors, sensor data displays, decorative gadgets, maker badges, or steampunk projects. Designed and supported in Australia.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect for DIY \u0026amp; Retro Projects\u003c\/strong\u003e Ideal for clocks, counters, voltmeters, temperature displays, dashboards, and creative electronics builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for Makers\u003c\/strong\u003e Suitable for beginners and advanced users with pre-soldered options and full DIY flexibility\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lonely Binary","offers":[{"title":"Default Title","offer_id":48884155875485,"sku":"B0GYS6B5NB","price":21.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0331\/9994\/7908\/files\/518B3C7mPXL.jpg?v=1788828949","url":"https:\/\/lonelybinary.com\/en-us\/products\/max7219-vintage-tube-led-clock-kit","provider":"Lonely Binary","version":"1.0","type":"link"}