Open source hardware: the Minimalist Light Meter

July 17 2020

The Minimalist Light Meter is a project I've been working on for a while and I'm pretty excited to have finished. It's an ambient reflective light meter designed to be as simple and inexpensive to make as possible. It's completely open source. That is, the code, schematics and case design are all available under a GPL3 license. It's quite easy to make one yourself, if you are comfortable with soldering small surface mount components.

There are a few key design decisions that justify the ‘minimalist’ moniker:

Here's a photo of the top side of the board showing the components: