简介

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简介

MegaSquirt是一个后装型"电子燃油喷射"（EFI）的控制器设计，可以广泛用于由火花塞点火的内燃发动机（不包含柴油发动机)。 它是一个完整独立与成熟的燃油喷射控制器软件及硬件，它由Bruce Bowling 和 Al Grippo开发，开发者在美国东海岸工作。该软件为一个开放的平台（只适用Bowling 和 Grippo硬件系统）。此硬件提供仅用于燃油点火和在大多数情况下怠速空气控制，低成本（虽然大多数情况下用户可以为其他功能配置输出）。该产品是针对开源DIY对象，因为在大多数情况下MegaSquirt需要由专业知识的用户装配和调试。

当前产品

　MegaSquirt　MegaSquirt II　MicroSquirt　MicroSquirt module　Megasquirt III^[2]

Released　2001　2005　2007　2009　2010

Processor　8-Bit MC68HC908　16-bit MC9S12C64　16-bit MC9S12C64　16-bit MC9S12C64　16-bit MC9S12XEP100

Speed　8 MHz　24 MHz　24 MHz　24 MHz　50 MHz (+100MHz XGATE)

Flash　32 kB　128 kB　128 kB　128 kB　1024 kB + 32kB data flash

User RAM　512 B　4 kB　4 kB　4 kB　64 kB

Features　Depends on firmware, Inexpensive　More precise fuel control, Ignition Control, CAN Bus, GPIO, Inexpensive, User Spare Output Ports, Automatic Mixture Control, Flex fuel (E85) abilities　Same Features as MS-II, plus Small Size, Sealed case, Dual Ignition/Injection Channels, Assembled　Single card complete MS2 based ECU designed to be used as the basis of an ECU of the user's creation. Includes firmware license.　Extension of MS2, V8 sequential fuel and spark, many more i/os. Wide range of OEM crank/cam wheels supported. Many racing features built in. Onboard USB-serial, SD card datalogging. See the detailed cross reference.