Thingiverse

Battery-powered Water Level Sensor by stheophil
by Thingiverse
Last crawled date: 4 years, 1 month ago
An enclosure for a battery-powered device that can be attached to a water reservoir (e.g. a bucket). Attach a float switch, a lithium ion battery, a USB charging circuit and e.g. an ESP8266 microprocessor with Wifi to build a small device that notifies you when the water reservoir runs low.