[Circuitikz in Manim] How to use circuitikz in Manim #latex #tikz #manim #electronics #circuitikz

20230111_circuitikz.py

# https://discord.com/channels/581738731934056449/1048986980769333329/1062860351567319062
# https://discord.com/channels/581738731934056449/1062828056235999242/1062836565983903835
# import from KiCAD and LTspice: https://github.com/uwezi/circuitikz_import

from manim import *
class circuit(Scene):
    def construct(self):
        template = TexTemplate()
        template.add_to_preamble(r"\usepackage{tikz}\usepackage[europeanresistors,americaninductors]{circuitikz}")

        c = Tex(
            r"""[american voltages, baseline=(current bounding box.center)]
                    \draw (0,0) to [R, l=$R$] (6,0) to [V, l=$E$] (6,2) to [L, l=$L$] (0,2);""",
                tex_environment="circuitikz",
                tex_template=template,
                stroke_width=2, 
                fill_opacity=0,
                stroke_opacity=1,                
            )

        self.play(FadeIn(c, shift=UP, target_position=ORIGIN), run_time=3)
        self.play(ApplyWave(c[0]))

        self.wait(2) 
        
class circuit2(Scene):
    def construct(self):
        template = TexTemplate()
        template.add_to_preamble(r"\usepackage{tikz}\usepackage{circuitikz}")

        c = Tex(
            r"""[american voltages, baseline=(current bounding box.center)]
                    \draw (0,0)
                    to[V=$V{Th}$] (0,2)
                    to[R=$R_{Th}$] (2.5,2)
                    to[short,i=$I$, -o] (4,2)
                    to[short] (4.5,2)
                    (0,0) to[short, -o] (4,0)
                    to[short] (4.5,0);""",
                tex_environment="circuitikz",
                tex_template=template,
                stroke_width=2, 
                fill_opacity=0,
                stroke_opacity=1,                
            )

        self.play(FadeIn(c, shift=UP, target_position=ORIGIN), run_time=3)
        self.play(ApplyWave(c[0]))
        #self.play(Indicate(c[2], color=TEAL), run_time=2) 
        #self.play(Circumscribe(c[4], fade_out=True, color=BLUE))
        self.wait(2)