Traffic Light Controller model

The Water Level Indicator Kit consisting of 6 sensing probes that are dipped in water to sense the level of water. Probe A is connected as common to the other five, which should be at the bottom-most part of the water tank, also act as a reference level. The probes B, C, D, E, and F are set as levels. Mount it inside your home with the indicator LEDs pointing out of the box. A short length five, wires can be used as sensing probes and for common sensor Probe A. When the water in the tank touches probes A and B both, a small current flows from A to B through water and to the base of transistor T1.

Touch sensor used here as a touch detector. The variation in the sense of touch wanted can be easily done by touching touch sensor using finger. The circuit operates normally over a DC voltage of 5V which can be obtained by DC supply cable

Genre Educational
Number of Players 1 and More
Batteries Required? No
Item Weight 190 Grams

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