Tag: Arduino

Water Recirculation Pump Switch

When we re-did our house plumbing, we asked our contractor to install a water recirculation pump. A water re-circulating pump is used to circulate hot water so that any faucet or shower will provide hot water instantly upon demand. What is a recirculation pump? A typical home can hold between …


Battery board with protection cut-off

A couple of months ago I designed a convenient Battery Monitor board with a voltmeter, one Andeson PowerPole connector as well as a USB power connector. This board is suitable to turn any 7Ah, 9Ah SLA or Lithium battery into a convenient power source for indoor or portable operation. For …


Arduino Temperature and Humidity sensor

This project will show the temperature in C and % of relative humidity of the ambient air on an LCD display.


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