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It uses the popular MAX7219 LED matrix for the display, and a DS3231 RTC module to help keep the time.
Posted in clock hacks, LED Hacks Tagged DS3231, ESP8266, glass jar, MAX7219, ntp, ticker ← Bus Raider Allows Classic Micro Emulation On An RC2014 Banksy’s Barely Believable Batteries → ...
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Blinking LEDs with MAX7219 and Arduino - MSN
Learn how to control and blink multiple LEDs using the MAX7219 driver with Arduino. A simple guide for beginners in electronics and coding. #Arduino #MAX7219 #LEDProjects #ElectronicsTutorial FBI ...
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