74HC595 Shift Register with Arduino UNO Control 8 digital outputs using only 3 Arduino pins with the 74HC595 serial-in-parallel-out (SIPO) shift register. The 74HC595 is useful when an Arduino project ...
"Aren't there fewer microcontroller GPIOs than I thought?" situations like this come up. In my case, I was thinking about a circuit to control multiple motor drivers from an ESP32, and as the number ...
最近、電子部品の使い方を覚えるために電子工作をやっているのですが…… モーターやL293Dなどを単体に近い状態で試すと ...