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[[File:APC with 2 555 (pin out) and bridge added.png|thumb|400px|Schematic for a two 555 implementation of the Atari Punk Console]]
The '''Atari Punk Console''' (commonly shortened to '''APC''') is a popular circuit that utilizes two [[555]] timer ICs or a single 556 dual timer IC. The circuit is a simple DIY noisemaker circuit that is relatively inexpensive and easy to build, easily adaptable and is configurable in many ways. It has been built into a wide variety of enclosures. Its flexibility has led to wide popularity. It is often suggested as a good circuit to build for beginners.▼
The '''Atari Punk Console''' (commonly shortened to '''APC''') is a popular circuit that utilizes two [[555]] timer ICs or a single 556 dual timer IC. The original circuit, called a "Sound Synthesizer", was published in a Radio Shack booklet: "Engineer's Notebook: Integrated Circuit Applications" in 1980<ref name="enica">[http://www.jameco.com/jameco/pressroom/punk.html Engineer's Notebook: Integrated Circuit Applications], Jameco</ref> and later called "Stepped Tone Generator" in "Engineer's Mini-Notebook – 555 Circuits" by its designer, [https://en.wikipedia.org/wiki/Forrest_Mims Forrest Mims].<ref name="emn">[https://web.archive.org/web/20130822030621/http://feenelcaos.org/wp-content/upload/Forrest-Mims-engineers-mini-notebook-555-timer-circuits-ra.pdf Mini-Notebook], Radio Shack, (archived)</ref> It was named "Atari Punk Console" (APC) by Kaustic Machines because its "low-fi" sounds resemble classic Atari console games from the 1980s, with a square wave output similar to the [https://en.wikipedia.org/wiki/Atari_2600 Atari 2600]. Kaustic Machines added a -4db line level output to the circuit which was originally designed to drive a small 8-ohm speaker.▼
== History ==
▲
== How it works ==
Atari Punk console is an astable square wave [[oscillator]] driving a monostable oscillator that creates a single (square) pulse. There are two controls, one for the frequency of the oscillator and one to control the volume. The controls are usually [[potentiometers]] but the circuit can also be controlled by light, temperature, pressure etc. by replacing a potentiometer with a suitable sensor (e.g., photo resistor for light sensitivity). Most of the time there is also a power switch (often a toggle switch) and a volume knob.
▲The circuit is a simple DIY noisemaker circuit that is relatively inexpensive and easy to build, easily adaptable and is configurable in many ways. It has been built into a wide variety of enclosures. Its flexibility has led to wide popularity. It is often suggested as a good circuit to build for beginners.
{{From Wikipedia|Atari_Punk_Console|30 June 2019}}
== References ==
{{Reflist}}
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