In this project, I'll make a small circuit capable of controlling a servo, it is a servo tester made out of a 555 timer IC.

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Real-time Deneyap Kart (ESP32) and Node.js web system for controlling four servo motors via a Socket.IO-powered web interface.

3-wire connector from Servo -> yellow into pin 10 through a 220Ω resistor, red into 5V rail of breadboard, brown into GND rail of breadboard. ~470 µF capactior across +5V and GND near the servo to ...