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MIRI Title Picture


The only controller you need for your next lighting project

Quick Specs

MIRI GitHub

Download Full Specifications

"I wanted a compact board suitable for any project that was easy enough for anyone to use; that didn't exist, so I designed my own!"

Avery Finchum
Bossman of Finchum Tech

 Unleash your​ creativity​​​​​​​

Built with makers in mind, Miri makes setting up your next LED project a breeze.

Unbridled Connectivity

With an advanced ESP32 microprocessor and versatile expansion options, you have a full range of connectivity at your control.

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Your New Standard

Gone are the days of sketchy wiring jobs and projects without protections. Miri is keeping an eye on your safety.

See Safety Features

Exceptional Power Density

At barely over the size of military standard stick of gum, MIRI can power installations up to 480W

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TL;DR: Specifications


Analog voltage controlled LED's, and Digital 1 wire or 2 wire controlled LED's

5 volts to 24 volts 

Maximum 20 Amps total output

PCB Temperature sensor to monitor thermals

User-changeable Fuse for LED strips with fuse-blown indication

Automatically Resettable Fuse for logic supply

Power supervisor chip for logic

ESD protection on all power inputs and outputs and data outputs

Miri offers a variety of expansion boards to extend the functionality of your projects:


  • USB programming board for development (OTA updates work out of the box)
  • Touch sense, Qwiic connector, and IR remote input expansion
  • Microphone board with onboard mic and 3.5mm line-in audio for sound reactivity
  • [maybe] Hardwire Ethernet adapter for permanent connectivity
  • 9-axis motion sensor for interactive projects
  • Real time clock for precise day/night cycle without Wifi
  • Radar Occupancy sensor for motion sensitive lights
  • Light Spectrum Analyzer - so you can calibrate your custom lights professionally or at least calculate your lights CRI for professional photography
  • sound output 
  • [maybe] Hardwire Ethernet adapter for permanent connectivity (Still under development)
  • [maybe] DMX input (Still under development)

Want to have a hard-copy of the specs?

Download a copy of the specifications here: