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The Sprinkler Nerd ShowAuthor: Andy Humphrey
If you are a Landscape Entrepreneur this show is for you. Andy, a former contestant on the ABC hit television series Shark Tank, irrigation technology expert, and multimillion-dollar eCommerce entrepreneur brings his curiosity & creativity to tease out the secrets of successful landscape influencers and business owners. Discover how to get a leg up on the competition, be the smartest person at the design table, and advance your career in the irrigation and landscape industry at any level. All stones will be unturned as Andy digs into the nerdy details of business, technology, and personal growth here on the Sprinkler Nerd show. To join the community of Sprinkler Nerds transforming the Green Industry visit www.SprinklerNerd.com. Language: en Genres: Education, Home & Garden, How To, Leisure Contact email: Get it Feed URL: Get it iTunes ID: Get it Trailer: |
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#183 - For Immediate Release, Patent US3808385
Friday, 11 April, 2025
For immediate release—breaking news, kind of. In this solo episode of The Sprinkler Nerd Show, Andy dives into what seems like a revolutionary product: a mechanical rain sensor that requires no batteries, no Wi-Fi, no firmware updates—just pure, functional design. It shuts off irrigation during rainfall and turns it back on when conditions dry out, all thanks to hygroscopic discs that expand and contract to trigger a simple switch. This device sounds like the newest drop in water-saving technology—until Andy reveals the twist: it's not new at all. In fact, it's based on US Patent 3,808,385, filed in 1972 and granted in 1974. That's over 50 years ago. And the core concept of the mechanical rain sensor hasn’t changed since. Andy breaks down how the device works, why it’s still effective today, and what it says about the pace of innovation in the irrigation industry. He challenges contractors and tech developers alike to ask the big question: why are we still using 1970s technology in 2025? Could we create a smarter, data-driven rain sensor that actually logs rainfall events, provides historical context, and informs better irrigation decisions? If so—why hasn’t anyone built it yet? Key Highlights: Breakdown of how the moisture-responsive switch actuator works Benefits for contractors: simplicity, reliability, zero maintenance Installation and adjustment tips Why the current state of rain sensors is a wake-up call A challenge to the industry: let’s rethink how we track rain and respond to it Andy closes the episode with a call to action for all Sprinkler Nerds: always ask why. Why things work the way they do, why they've stayed the same—and how we can make them better.
