Скачать или смотреть Dynamic Ultrasonic Generator Circuit, Simplest 555 IC Schematic

Simple ultrasonic frequency generator producing dynamic sound using NE555 IC.

Only few electronic component required:
NE555 IC
1 10n Capacitor (nonpolar)
1 Piezoelectric speaker
2 resistors

Optional component for dynamic frequency:
1 k resistor
1 RGB led (self flashing led)

Other videos:
Solar Panel Automatic Lamp Circuit Reversed (On at Daylight)
   • Solar Panel Automatic Lamp Circuit Reverse...  

Make Self Watering Circuit with Smart Plant Watering Schedule
   • Make Self Watering Circuit with Smart Plan...  

LDR Light Sensor Circuit & Reversed (ON at Night or Daylight)
   • LDR Light Sensor Circuit & Reversed (ON at...  

Mini Inverter Circuit 3v to 220v for Emergency Lamp
   • Mini Inverter Circuit 3v to 220v for Emerg...  

Automatic Wall Lamp / Sleep Lights Circuit + Free PCB
   • Automatic Wall Lamp / Sleep Lights Circuit...  

Knight Rider LED Circuit + Free PCB Layout
   • Knight Rider LED Circuit + Free PCB Layout  

Light & Motion Sensor Schematic (LDR + PIR) 2 in 1
   • Light & Motion Sensor Circuit Schematic (L...  

~-~~-~~~-~~-~
Please watch: "LDR Light Sensor Circuit & Reversed (ON at Night or Daylight)"
   • LDR Light Sensor Circuit & Reversed (ON at...  
~-~~-~~~-~~-~