{"product_id":"lonely-binary-max7219-vintage-tube-led-clock-kit-for-esp32-c","title":"Lonely Binary MAX7219 Vintage Tube LED Clock Kit for ESP32 \u0026 C++","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCOMPLETE VINTAGE TUBE KIT 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\u003eMIX AND MATCH COLORS AND STYLES 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\u003eRETRO TUBE-STYLE AESTHETIC 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\u003eUNIVERSAL MCU COMPATIBILITY 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 C++, MicroPython, and CircuitPython. Sample code on Lonely Binary GitHub.\u003c\/li\u003e\n\u003cli\u003eMAKER PROJECT READY 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\u003ePerfect for DIY \u0026amp; Retro ProjectsIdeal for clocks, counters, voltmeters, temperature displays, dashboards, and creative electronics builds\u003c\/li\u003e\n\u003cli\u003eDesigned for MakersSuitable for beginners and advanced users with pre-soldered options and full DIY flexibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43359018025169,"sku":"BW-B0GYS6B5NB","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/81lYAQ8ZU2L._SL1500.jpg?v=1790997256","url":"https:\/\/belmontwarehouse.com\/products\/lonely-binary-max7219-vintage-tube-led-clock-kit-for-esp32-c","provider":"Belmont Warehouse","version":"1.0","type":"link"}