GY501 Dual Sound Effect Alarm Circuit

Function Description

1. 2 types of sound effects can be selected
2. Changing the external resistor can adjust the oscillation frequency of the internal RC oscillator. Frequency tolerance: 30%
3. An external NPN transistor can be used to drive the speaker. Single note playing.
4. Automatically reset after power-on.

Product Application Areas

home security

Electrical specifications (VDD=3V,TA=25C unless otherwise specified)

Characteristic	Symbol	Min.	Typ.	Max.	Unit	Remarks
Operating Voltage	VDD	2	3	3.6	V
Operating Current	LDD		0.2	0.5	mA	No load
Output Current	LOUT	3			mA
Operating Temperature	TEMP	0	25	60	℃