https://wiki.arcadeotaku.com/index.php?action=history&feed=atom&title=Passive_Autofire 2026-05-31T09:45:26Z Revision history for this page on the wiki MediaWiki 1.42.1 https://wiki.arcadeotaku.com/index.php?title=Passive_Autofire&diff=6597&oldid=prev 2012-08-08T04:57:57Z

<p>+cat:Hardware Modifications</p> <p><b>New page</b></p><div>A cunning little autofire circuit based on a 74HC04 hex inverter that uses the voltage supplied to a button for power. While it does have a miniscule &quot;pause&quot; in fire rate every second or so, it&#039;s excellent for use with most games and is incredibly cheap to produce. <br /> <br /> ==Schematic==<br /> [[File:Passive_Autofire_Schematic.jpg|400px]]<br /> <br /> Thanks to [[User:Yosai|Yosai]] for drawing this<br /> <br /> ==Usage==<br /> [[File:Passive_Autofire.jpg|thumb|none]]<br /> #Unplug the GND from a button on your panel<br /> #Plug the spade connector from the circuit into the GND wire connector in your harness<br /> #Connect either blue wire to the GND on the button<br /> #(Optionally) connect the second blue wire to yet another button by disconnecting it&#039;s GND<br /> <br /> ==Photos==<br /> &lt;gallery&gt;<br /> File:Passive_Autofire_Detail.jpg|In detail<br /> File:74HC04.jpg|74HC04 IC<br /> File:100uf_16v_capacitor.jpg|100uF 16V capacitor<br /> File:Passive_Autofire_Others.jpg|Resistors and potentiometer<br /> File:Passive_Autofire_clone.JPG|Clone (by Yosai)<br /> &lt;/gallery&gt;<br /> <br /> [[Category:Tutorials]]<br /> [[Category:PCB Tech]]<br /> [[Category:Hardware Modifications]]<br /> [[Category:Controls]]</div>

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