Zeal Engineering Daughterboard with Dual VR Conditioners

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$44.99

Product details

  • Type ECU
  • Vendor DIYAutoTune
  • SKU ZealDB1-K

Documentation

Description Reviews (0)

Originally designed for the FC RX-7, the Zeal Engineering Daughterboard is a versatile expansion board created by Ken Culver, one of the lead developers of the MS2/Extra and MS3 firmware. Now available in kit form, this board adds advanced input and output capabilities to your MegaSquirt ECU and has been successfully used across a wide range of vehicle applications.

Key Features:

  • Dual VR conditioners – Built using LM1815 adaptive circuitry, ideal for crank/cam signal processing

  • Three general-purpose digital outputs – Each rated for up to 1 amp

  • One high-current PWM output – Capable of handling up to 3 amps, perfect for boost or idle control

  • 12V tach output driver – Suitable for first-gen RX-7 tachometers and many other vintage applications

Compatibility:

  • Works with MS1/Extra and MS2/Extra firmware

  • Compatible with V2.2, V3.0, and V3.57 MegaSquirt mainboards

This board is a great choice for those looking to expand their ECU’s capability with VR signal processing, PWM control, and additional outputs—all in a compact, DIY-friendly package.