Ultrasonic Distance Detector

 

The components list has been updated frequently. Please check back later on.

Resistors:               R1~R11
Capacitors:             C1~C9
Semi-conductors:    Q1,D1~D3,ZD1,IC1~5 

R1

1M

C1

220pF ceramic

Q1

BC548 NPN transistor

R2

10K

C2

1.5nF polyester

D1

1N4148 signal diode

R3

220

C3

4.7nF polyester

D2

1N4148 signal diode

R4

3.3K

C4

0.47uF monolithic

D3

1N4148 signal diode

R5

15K

C5

4.7nF polyester

ZD1

36V 400mW zener diode

R6

2.2M

C6

0.47uF monolithic

IC1

    LM567     tone decoder

R7

47K

C8

100uF 25v electrolytic

IC2:A&B

74C14 or 40106 hex Schmitt inverter

R8

15K

C9

100uF 25v electrolytic

IC3

7808 +8V regulator TO220

R9

220

   

IC4&5

4001BE

R10

10K

       

R11

10K

       

VR1

5K trimmpot

       

 

The components listed above can be referred to on the design page.

 

  

This site is proudly presented to you by Communication Engineering 2nd. year undergraduates:

David "Nomad" Wang, Seng Leong Lai, Mario Mario, Chong, Allen.

 

To learn more about our team

This site is constructed for the demonstration of our DS207 (Computer System Engineering) and CO200 (Engineering Design and Innovation) projects. All the materials used on these pages are by all means of academic research purpose only. All the technical information borrowed here is of the property of their authors/designers. All rights reserved.