From the new Adafruit Show and tell feature in Circuit Playground!
Here’s something I made that I wanted to share…a battery-powered controller to monitor the water level of a livestock tank and turn on/off an irrigation valve using a DC latching solenoid, an H-Bridge driver, and an MSP430 micro controller. More project details including links to schematic, design files, and software are at www.zephyr-labs.com
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