mirror of https://github.com/speeduino/wiki.js.git
36 lines
4.2 KiB
Markdown
36 lines
4.2 KiB
Markdown
---
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title: Decoders
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description: List of supported crank/cam patterns
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published: true
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date: 2020-01-06T00:24:43.437Z
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tags:
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---
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Speeduino supports an ever growing number of crank and cam decoders and
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trigger wheels. This includes some of the more common OEM setups as well
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as those favoured in the aftermarket (Such as the missing tooth wheels).
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The list below includes all those that are currently supported. They
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each lead to a page with details on using the decoder (These pages are a
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Work in Progress)
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| Decoder | Status | Applications / Description |
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| ------------------------------------------------------- | ---------------- | ------------------------------------------------------------------------------------------------------------------------------- |
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| [Missing Tooth](Missing_Tooth "wikilink") | Complete | A crank wheel with 1 or more 'missing' teeth |
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| [Missing Tooth (cam)](Missing_Tooth_\(cam\) "wikilink") | Complete | A camshaft or distributor wheel with 1 or more 'missing' teeth at half-crank speed |
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| [Dual Wheel](Dual_Wheel "wikilink") | Complete | Two signals combined from two different wheels |
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| [Basic Distributor](Basic_Distributor "wikilink") | Complete | Untimed pulses that are the equivalent of a tach or distributor pulse |
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| [GM 7X](GM_7X "wikilink") | Untested | Multi tooth pulse |
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| [4G63](4G63 "wikilink") | Complete | As used on many 4 cylinder Mitsubishis and NA/NB Miata / MX-5. Also supports the 6 cylinder variation of this pattern (Eg 6g72) |
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| [GM 24X](GM_24X "wikilink") | Untested | Commonly used on GM LS1 V8 |
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| [Jeep 2000](Jeep_2000 "wikilink") | Complete | 6 Cylinder Jeep engines from '91 to 2000 |
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| [Audi 135](Audi_135 "wikilink") | Complete | Audi engines with 135 pulses-per-revolution |
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| [Honda D17](Honda_D17 "wikilink") | Complete | Honda 4 cylinder D17 engine |
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| [Miata 99](Miata_99 "wikilink") | Complete | 1.8L Miata/MX5 from '99 to '00 |
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| [Non-360](Non-360 "wikilink") | Complete | A variation of the dual wheel decoder that can be used with tooth counts that do not divide evenly into 360 |
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| [Nissan 360](Nissan_360 "wikilink") | In progress | 360 tooth cam wheel used in many 4 and 6 cylinder engines. |
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| [Subaru 6/7](Subaru_6/7 "wikilink") | Testing underway | Subaru engines using the 6 tooth crank wheel + 7 tooth cam wheel arrangement |
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| [Daihatsu +1](Daihatsu_+1 "wikilink") | Complete | 3+1 and 4+1 patterns used on 3 and 4 cylinder Daihatsu engines |
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| [Subaru 36-2-2-2](Subaru_36-2-2-2 "wikilink") | Complete | A 30 tooth wheel with three strategically placed big gaps |
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All signals need to be conditioned to a 3.3v - 5v dc square wave bef |