Automatic sprinkler controller circuit diagram 7

Published:2011/6/18 22:15:00 Author:Lucas | Keyword: Automatic , sprinkler controller | From:SeekIC

The automatic sprinkler controller circuit consists of soil moisture detection sensor, Schmitt trigger, monostable flip-flop, LED display circuit and control implementation circuit, and the circuit is shown in the chart. Schmitt trigger is composed of the Dl, D2 which are inside of the four NAND gate integrated circuit IC (Dl ~ D4) and resistors R1, R2, capacitors Cl, C2, potentiometer RP1. Monostable flip-flop is composed of the D3 D4 which are inside of IC, resistors R3, R4, potentiometer RP2 and capacitor C3. LED display circuit consists of transistor V3, light-emitting diodes VLI, VL2, and resistor R5 ~ R7. Control implementation circuit consists of the resistor R8, transistors VI, V2, relay K and diode VD.



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