Add Black dot in Flow Chart and small arrows

Question

I'm trying to make this flow-chart, this is my code:

I've modify a bit my code:

\begin{tikzpicture}[node distance=2cm, auto]
\tikzstyle{decision} = [diamond, text width=5.9em, text centered, draw=black, fill=blue!20, node distance=4cm]

\tikzstyle{startstop} = [rectangle, text width=7em, rounded corners, minimum height=1cm,text centered, draw=black, fill=white!20, node distance=3cm]

\tikzstyle{process} = [rectangle, text width=6em, text centered, draw=black, fill=white!20, node distance=3cm]

\tikzstyle{line} = [draw, -latex']

\centering
\node [startstop] (inizializza) {INIZIALIZZA MICRO};
\node [process, below of=inizializza] (identifica) {LEGGI PORTA DI INGRESSO};
\node [decision, below of=identifica] (decidi) {PULSANTE PREMUTO?};
\node [process, right of=decidi, node distance=4.5cm] (accendi) {ACCENDI LED};
\path [line] (inizializza) -- (identifica);
\path [line] (identifica) -- (decidi);
\path [line] (decidi) -- node {Si} (accendi);
\path [line] (decidi.south)  |- node[near start] {No} (0cm,-9.3)  -| (-2cm,-1.5)  -| (accendi);

\end{tikzpicture}

but still no clue to add black dot and other small arrows in lines

I've to problem to make the arrow go south, left north, and back to "accendi led", and i dunno how to insert that small arrow in lines and the black dot.

koleygr · Accepted Answer · 2017-10-05T14:09:04.553

New Answer:

\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{arrows,shapes,decorations.markings}

\begin{document}

\begin{tikzpicture}[node distance=2cm, auto]
\tikzstyle{decision} = [diamond, text width=5.9em, text centered, draw=black, fill=blue!20, node distance=4cm]

\tikzstyle{startstop} = [rectangle, text width=7em, rounded corners, minimum height=1cm,text centered, draw=black, fill=white!20, node distance=3cm]

\tikzstyle{process} = [rectangle, text width=6em, text centered, draw=black, fill=white!20, node distance=3cm]

\tikzstyle{line} = [draw, -latex']

\centering
\node [startstop] (inizializza) {INIZIALIZZA MICRO};
\node [process, below of=inizializza] (identifica) {LEGGI PORTA DI INGRESSO};
\node [decision, below of=identifica] (decidi) {PULSANTE PREMUTO?};
\node [process, right of=decidi, node distance=4.5cm] (accendi) {ACCENDI LED};
\begin{scope}[thick,decoration={
    markings,
    mark=at position 0.5 with {\arrow{>}}}]
\draw[->] (inizializza) -- (identifica);
\draw[->] (identifica) -- (decidi);
\draw[->] (decidi) -- node {si} (accendi);
\draw (decidi.south) --([yshift=-1cm]decidi.south);
\draw[postaction={decorate}] ([yshift=-1cm]decidi.south) node[right,yshift=0.5cm]{No}--([yshift=-1cm,xshift=-3cm]decidi.south);
\draw[postaction={decorate}] ([xshift=-3cm,yshift=-1cm]decidi.south)--([xshift=-3cm,yshift=6cm]decidi.center);
\draw ([xshift=-3cm,yshift=6cm]decidi.center)--([yshift=6cm]decidi.center);
\draw (accendi.east) --([xshift=1.2cm]accendi.east);
\draw[postaction={decorate}] ([xshift=1.2cm]accendi.east) --([xshift=1.2cm,yshift=6cm]accendi.east);
\draw([xshift=1.2cm,yshift=6cm]accendi.east)--([yshift=6cm]decidi.center);
\fill[black] ([yshift=6cm]decidi.center) circle (3pt);

\end{scope}
\end{tikzpicture}
\end{document}

Output:

Old answer: Try like this:

\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{arrows,shapes,decorations.markings}

\begin{document}

\begin{tikzpicture}[node distance=2cm, auto]
\tikzstyle{decision} = [diamond, text width=5.9em, text centered, draw=black, fill=blue!20, node distance=4cm]

\tikzstyle{startstop} = [rectangle, text width=7em, rounded corners, minimum height=1cm,text centered, draw=black, fill=white!20, node distance=3cm]

\tikzstyle{process} = [rectangle, text width=6em, text centered, draw=black, fill=white!20, node distance=3cm]

\tikzstyle{line} = [draw, -latex']

\centering
\node [startstop] (inizializza) {INIZIALIZZA MICRO};
\node [process, below of=inizializza] (identifica) {LEGGI PORTA DI INGRESSO};
\node [decision, below of=identifica] (decidi) {PULSANTE PREMUTO?};
\node [process, right of=decidi, node distance=4.5cm] (accendi) {ACCENDI LED};
\begin{scope}[thick,decoration={
    markings,
    mark=at position 0.5 with {\arrow{>}}}]
\draw[postaction={decorate}] (inizializza) -- (identifica);
\draw[postaction={decorate}] (identifica) -- (decidi);
\draw[postaction={decorate}] (decidi) -- node {si} (accendi);
\draw[postaction={decorate}] (decidi.west) --([xshift=-3cm]decidi.west);
\draw[postaction={decorate}] ([xshift=-3cm]decidi.west)--([xshift=-3cm,yshift=6cm]decidi.west);
\draw[postaction={decorate}] ([xshift=-3cm,yshift=6cm]decidi.west)--([yshift=6cm]decidi.center);
\draw[postaction={decorate}] (accendi.east) --([xshift=1.2cm]accendi.east);
\draw[postaction={decorate}] ([xshift=1.2cm]accendi.east) --([xshift=1.2cm,yshift=6cm]accendi.east);
\draw[postaction={decorate}]([xshift=1.2cm,yshift=6cm]accendi.east)--([yshift=6cm]decidi.center);
\fill[black] ([yshift=6cm]decidi.center) circle (3pt);
\end{scope}
\end{tikzpicture}
\end{document}

I used this answer: https://tex.stackexchange.com/a/3172/120578 and your code's image result-> Not the original. If you need more help, please be more specific.

PS: I had to break lines in parts to place the arrow on each middle.

Output:

Edit: Added the dot you request in your title.

now there are too much arrows, and no black dot on top and "No" answer disappeared from the bottom of decision — tommy, Oct 05 '17 at 13:52
Ok, i can see the dot now, but "No" answer to the diamonds disappeared and it's not in south but in west — tommy, Oct 05 '17 at 13:54

Add Black dot in Flow Chart and small arrows

1 Answers1