This product is the mod class products in foreign PI-Lite hardware.
1. based on the original, adding LLC (logic level conversion circuit) . this serial port is 3.3V, Atmega328 MCU control 126 grains of bright LED lights are 5V power supply. To protect the PI IO port, serial port is not affected by the impact of 5V!
2.atmega328 microcontroller and stable operation in 16MHz. One times faster than the 3.3V circuit operation, is conducive to enhancing the refresh rate of LED.
3. all of are 126 LED, imported from Taiwan billion light, automatic machines and patch.
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