● When you connect it to Arduino development board it can emit beautiful light like fireflies at night after program
● This module could controlled by PWM
● Combine it with other sensors to do various interesting interactive experiments
● Optional color: red, green, blue and yellow
● Working voltage: 5V
● Distance between pins: 2.54mm
● A product for Arduino UNO + MEGA / Raspberry Pi / AVR / STM32
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