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Módulo Optoacoplador 4 Canales PC817 regulador de voltaje Interfaz Serial: UART entre ATmega 2964 Interfaz Serial: UART entre ATmega y ESP8266 IoT y programación motores y otros actuadores desde sistemas de baja potencia Este módulo permite la comunicación segura entre circuitos que operan con diferentes niveles de voltaje o que necesitan protección contra ruidos y picos de corriente
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