ARDUINO NANO LED WARNING LIGHT WITH BUZZER 11 LED SEQUENCER
Project published here is simple 11 LED and Buzzer shield for Arduino Nano, shield can be used as bar-graph monitor, buzzer sound effects, the simple example code used to show warning LED including buzzer sound. Circuit works with 5V DC. Shield also provided current sensor circuit which is no use in this project can be abandon. All LEDs 1206 SMD,
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