The LED matrix 8x8 is a system of 64 interconnected LEDs that, with the help of the MAX7219 LED driver, light up as programmed, and all of this is located on one board and is truly easy to use. You ...
The problematic WWVB radio receiver inside an atomic clock is removed and replaced with an ESP8266 Module and an Arduino sketch which synchronize the clock using the Network Time Protocol. Although ...
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