Now a complete package with the ability for upgrade processors.Can be used with my ATMEGA2560 or STM32f407 custom MCU boards.my STM32F407 are currently beta testing and more information is coming soon. 4 Injectors.4 High Current, *can be used as injectors for 8 cylinder using STM32F407 (still in development)8 Ignition (Smart coils or Igniters) switchable 5v-12v, …