MiSTer Laggy A Display Lag Tester for the MiSTer FPGA


Item Description:

The MiSTer Laggy is a display latency tester designed for use with the MiSTer FPGA system. Comprising of a dedicated core running on the MiSTer FPGA and the hardware sensor connected to the MiSTer's User Port via a USB type A to type C cable.

MiSTer Laggy measures the time between when a frame is sent to the display device and when that frame is displayed, operating on a similar principle to the 'Time Sleuth' lag testing device, it utilises the MiSTer platform to generate the video signal and record measurements.

Display latency is of significant importance in retro gaming as OLED and LCD displays incorporate sophisticated video processing pipelines, potentially leading to elevated latency. Display manufacturers often do not provide informative latency metrics, and the performance of a specific display may fluctuate based on applied settings, as well as the input signal's resolution and refresh rate.

The MiSTer Laggy hardware only functions with the respective MiSTer Laggy core located inside the Utility folder from the MiSTer main menu.

The MiSTer Laggy requires a MiSTer Analog IO board v6.1 or Digital IO board v1.2 and newer to function correctly. Additionally, this addon lag tester does support other MiSTer IO board types providing they have a User IO port.


Key Features:

  • Measure Display Latency
  • Fast Worldwide Shipping

Product Details:

  • 1 x MiSTer Laggy

Shipping & Handling:

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Most customers will receive their orders within couple of days, please note I use economy shipping services however the service is not guaranteed to arrive within this time frame.


Service Promise:

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Return Policy:

If you are not entirely satisfied with your purchase, I am here to help. All returns are accepted within 30 days from the date you received the item, return shipping cost to be paid by the buyer. Once the returned item is received a refund via your original method of payment will be made. The buyer is responsible for return shipping on any item that is not damaged or faulty.