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enter image description hereenter image description hereI am very interested in this project:

Sonar HC-SR04 analog output. Multipoint Sonar Radar

I have not much experience in electronics and don't know where I have to connect my wire on the Ultrasonic sensor, to read out the analog signal.

Many thanks in advance

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    \$\begingroup\$ Read the documentation in your own link ....it shows you where to connect it. wildlab.org/index.php/ultrasonic-radar-arduino \$\endgroup\$ Commented Oct 24, 2017 at 18:08
  • \$\begingroup\$ I dont´t understand the documentation. Could you circle the "collector of transistor" on my picture? \$\endgroup\$ Commented Oct 24, 2017 at 18:29
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    \$\begingroup\$ It doesn't look like the board in the documentation and the one in your picture are equivalent... \$\endgroup\$ Commented Oct 24, 2017 at 18:58
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    \$\begingroup\$ There is no discrete transistor on your picture... \$\endgroup\$
    – Wesley Lee
    Commented Oct 24, 2017 at 19:22
  • \$\begingroup\$ Ah okay, no I see the difference. The upper picture shows now the used sensor, correct? \$\endgroup\$ Commented Oct 24, 2017 at 19:32

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The circuit in your picture is not the same one from the link provided. That is probably the source of your confusion.

Cheers.

This is the circuit from that other post:enter image description here

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  • \$\begingroup\$ Do you know how I have to connect the wire on my IC? \$\endgroup\$ Commented Oct 24, 2017 at 19:21
  • \$\begingroup\$ Sorry @LarsBomhoff, I can't even see any markings on the IC's in your picture, so I really can't say. Is there a particular reason you want it to be analog? Check out something like this: instructables.com/id/Simple-Arduino-and-HC-SR04-Example \$\endgroup\$
    – SSVT
    Commented Oct 25, 2017 at 16:13

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