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][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
32kB
128 kB
128 kB
128 kB
1024 kB + 32kB data flash
User RAM
512B
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.