Where to Find Free Schematic Drawing Software for Arduino - MUO Jun 25, 2022Circuit Arduino Circuit Diagram Maker. Circuit is a web-based prototyping tool designed for makers working with Raspberry Pis and Arduinos. The app has three sections: a visual editor to create your circuits, a code editor that automatically generates test code for your components, and a guide area to help you build your project. Arduino DC Motor Control Tutorial - L298N | PWM | H-bridge Aug 08, 2017So depending on the size of the motor, we can simply connect an Arduino PWM output to the base of transistor or the gate of a MOSFET and control the speed of the motor by controlling the PWM output. The low power Arduino PWM signal switches on and off the gate at the MOSFET through which the high power motor is driven.