Agricultural irrigation line burglar alarm circuit diagram 1

Published:2011/6/16 3:42:00 Author:Lucas | Keyword: Agricultural , irrigation line, burglar alarm | From:SeekIC

The agricultural irrigation line burglar alarm circuit is composed of the detection circuit and sound alarm circuit, and the circuit is shown as the chart. Detection circuit consists of resistors R1 ~ R12, LEDs VL1 ~ VL3, transistors VI ~ V6. Sound alarm circuit is composed of the diodes VD1 ~ VD3, transistors V7, V8, capacitors C1 ~ C3, resistor R13, audio integrated circuit IC and speaker BL. R1 ~ R13 select 1/4W metal film resistors or carbon film resistors. C1 and C4 select the aluminum electrolytic capacitors with the voltage in 10V; C2 uses the monolithic capacitor or polyester capacitor.



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