filters

Open Sourcing Plans for “Low-Tech, High-Thinking” Water Filters

Open Sourcing Plans for “Low-Tech, High-Thinking” Water Filters

By Lisa Martin

Lisa Martin

A typical day for Lisa includes: getting up to see the sunrise, bicycling, interning at Make:, reading and writing short stories, and listening to audiobooks and podcasts for hours while working on projects or chores.

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OHorizons works on providing access to clean drinking water by teaching local communities to build and maintain their own water filtration systems.

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Projects with Ryan Slaugh: Active Filters & Tool Suggestions

Projects with Ryan Slaugh: Active Filters & Tool Suggestions

By Ryan Slaugh

Ryan Slaugh

Ryan Slaugh is a hardware and software engineer with over 15 years of experience designing and building different systems. While he has a few college degrees, his best training came from growing up on a farm and working with his father who was also an electrician. Ryan works regularly with woodworking, metal work, electronics, and software. Ryan also has a love of tools and collects as many as he can.

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Over the last few videos I have highlighted helpful circuits. In this video, I highlight an active filter setup utilizing an operational amplifier. Filters are very helpful when working with analog signals.  Often the range of frequencies needed are not across the entire band, therefore you need to filter out those that inhibit a clean […]

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