Home Made Mosquito Rappeler
Please Watch This Video First ( Malayalam )
Circuit Diagram
Components Required
R1 . 1k resistor
R2 . 10k variable resistor
C1 . 0.01 MFD ( 103 , 10nF ) Ceramic capacitor
C2 . 0.01 MFD
IC . 555
DC Power Supply. 5votl to 12volt
Buzzer . Select Vehicles Buzzer , Old Telephone Buzzer , Any Toys Buzzer
For Better Out Put Use Old Telephone Buzzer
Use The Formula For Set Out Put Frequency
You Can Use Circuit For Rappel Pest
For Mosquito set the Out Put Frequency = 38 Khz to 44 Khz
For Lizard = 60 Khz
R2 ( 10K Variable Resistor ) For Set Out Put Frequency
To Get Approximate 40KHz Set resistor Value 1.2k Ohm
You Can Connect Two Buzzer For Power Full Out Put
12 Volt DC Adapter Recommended
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