Raspberry Pi Pico Dosing Pump

Raspberry Pi Pico Powered Dosing System Keeps Fish Happy

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Whether you have expensive tropical fish, delicate reefs, or humble goldfish, you need to keep your tank clean for your aquatic pets, and this Raspberry Pi Pico-powered dosing pump is just the thing. Created by yojoebosolo (Joe Stiff), this $18 (£14) tiny pump project provides microdoses of a chemical that maintains a fish tank. 

The pump system is a peristaltic pump that uses mechanical manipulation to move the liquid through a tube. This pump system is commonly used in medical and scientific applications where precision and hygiene are key. The tube can be easily replaced as no liquids go through the pump (they are massaged through the tube), and they can be swapped for a different liquid. Yojoebosolo uses it to micro-dose various chemicals into a fish tank.



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