Ultra-Sound Precision Distance Detector

Circuit Diagram

Scroll down to the bottom of this page for the component list 👇👇

Component list

• R1,R2 : 56K resistor
• R4 : 220 Ohms
• RP1,RP2 : 10K pot
• C1: 22uF
• C2 : 1uF
• Q1,Q2 : BC557 PNP transistor

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