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water sensor
ёмкасной датчик влажности
частотный датчик влажности
температура почвы
и количество воды
Water level detector
Water detector with 4 level stages. Each stage makes the 555 timer to give a supply period for the buzzer. The active buzzer transmits sound with a pause period between 0.5-3 seconds, depending on the level detected.
WaterCount_WKM-20DG
Схема подключения счетчика ВКМ-20ДГ к Ardiuno для ведения логов показаний и отображения текщего расхода воды на индикаторе на матрицах 8x8
Automatic plant watering circuit
This is a simple circuit powered by a 741opamp. The relay does the switching of the pump or adapter of the water pump. It's a 230V/12V switching relay. Here you can find the schematic and the PCB layout also.
Water Level Detector (with LED Bar & Buzzer )
I am only a beginner at this. So would be very happy for anyone to point out problem with the
design. This would be very helpful.
Thanks
The unit is design to be connected to 7 float similar to the one in the image,(attach file)
on the block Bottom right.
As the water rises the LED bar on the left indicates the level. Power & Buzzer indicator.
With the rotary switch top right to can set t...
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