circu_maker icon resource : flaticon Resistor icon : https://cdn-icons-png.flaticon.com/512/120/120336.png DC icon : https://cdn-icons-png.flaticon.com/512/120/120319.png Capacitor icon : https://cdn-icons-png.flaticon.com/512/120/120302.png Inductor icon : https://cdn-icons-png.flaticon.com/512/114/114762.png Ground icon : https://cdn-icons-png.flaticon.com/512/120/120324.png