Relay Bypass Module v2
Relay Bypass Module v2
Relay Bypass Module v2
  • Load image into Gallery viewer, Relay Bypass Module v2
  • Load image into Gallery viewer, Relay Bypass Module v2
  • Load image into Gallery viewer, Relay Bypass Module v2

Relay Bypass Module v2

Regular price
$6.50
Sale price
$6.50
Regular price
Sold out
Unit price
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NOTE: This is an older version that uses non-latching relays. It otherwise has all the same features. It's discounted because it's being discontinued. Newer one here.

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This is a true-bypass relay bypass kit for your DIY pedals. It has EQD-style hold functionality, optional optocoupler muting, and more.

See more details here: https://mas-effects.com/relay-bypass/

Base price includes PCB with pre-assembled SMD components, and a pre-programmed ATtiny microcontroller (IC).

For a few dollars more you can add the rest of the parts to build this (note the first two may be hard to find):

  • Relay
  • Optocoupler
  • Voltage regulator
  • Capacitor

I also have a reduced cost earlier version of this, which is just as capable though slightly less convenient.

Build docs here: https://mas-effects.com/relay-1.2.pdf

NOTE: this uses a standard non-latching relay. It's not suitable for use with a battery or when you have limited power available. A latching version will be available in the future.