plant watering monitor

Plant Watering Monitor Circuit

P. Marian - 07/03/2010

This plant watering monitor circuit is intended to signal when a plant needs water. A LED flashes at [...]
led water level indicator

Simple Water Level Indicator

D Mohankumar - 06/17/2010

This is one of the simplest water level indicator that can give up to 7 indications – Full, [...]
water sensor alarm circuit diagram

Water Sensor Alarm Circuit

P. Marian - 06/03/2010

This small water sensor alarm circuit makes a loud warning sound when a humidity sensor detects a quantity [...]
numeric water level indicator circuit diagram

Numeric Water Level Indicator Circuit

P. Marian - 04/30/2010

Most water level indicators for water tanks are based upon the number of LEDs that glow to indicate [...]
liquid level sensor circuit diagram

Liquid Level Sensor Circuit

P. Marian - 04/06/2010

This is a liquid level sensor circuit that sounds off an alarm when a liquid has reached a [...]
water level indicator circuit

Water Level Indicator Circuit

P. Marian - 01/10/2010

This simple water level indicator will activate an active buzzer (e.g. BeStar BPT-23CX ) in order to make [...]
water level monitor electronic circuit

Water Level Sensor Circuit

P. Marian - 01/09/2010

This simple water level sensor circuit monitors the presence of water in a certain location or container. The [...]

Water Level Indicator/Sensor Circuit

P. Marian - 04/10/2009

Description of water sensor: in most houses, water is first stored in an underground tank (UGT) and from [...]
liquid detector circuit schematic

Liquid Detector, Water Sensor Circuit

Received by Email - 04/27/2008

This is a very simple liquid detector that use a relay to open an evacuation van. You can [...]
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