• 555 & 741 SMD Kit
  • 555 & 741 SMD Kit
  • 555 & 741 SMD Kit
  • 555 & 741 SMD Kit
  • 555 & 741 SMD Kit
  • 555 & 741 SMD Kit
  • 555 & 741 SMD Kit
  • 555 & 741 SMD Kit
  • 555 & 741 SMD Kit
  • 555 & 741 SMD Kit
  • 555 & 741 SMD Kit
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innoelement

555 & 741 SMD Kit

555 & 741 SMD Kit

$26.00 USD
$26.00 USD
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Shipping calculated at checkout.

What is it?

System Alpha is a direct replacement combo CPU/Driver PCB for Williams System 3-7 pinball machines (1977-1984). It removes common failure points and improves long-term reliability.

What's in the box?

1x System Alpha main PCB. Optional: System 7 Add-on PCB kit for selected System 7 games.

Installation

Plug-and-play replacement: no rewiring or soldering required for standard install. Load ROM files by USB, then install and run setup from coin door service switches.

Warranty

1-year non-transferable warranty covering manufacturing defects. If compatibility or setup issues occur, contact support before return.

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Technical details

Description, documents, and source code.

What is it?

The "555SE" Discrete 555 timer is a surface-mount soldering kit that lets you build a faithful and functional transistor-scale replica of the NE555 timer integrated circuit, one of the mo…

What is it?

The "555SE" Discrete 555 timer is a surface-mount soldering kit that lets you build a faithful and functional transistor-scale replica of the NE555 timer integrated circuit, one of the most classic, popular, and all-around useful chips of all time.

"741SE" Discrete Operational Amplifier is a surface-mount soldering kit that lets you build a faithful and functional transistor-scale replica of the μA741 op-amp integrated circuit, the classic and ubiquitous analog workhorse.

Why did you make it?

What makes it special?

Videos

Original product page: https://www.tindie.com/products/johnson/555-741-smd-kit/

Documentation