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Best approach to connect HC-SR04 Ultrasonic Sensor 20 ft fro
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Best approach to connect HC-SR04 Ultrasonic Sensor 20 ft fro

by spu3 on Thu Jan 03, 2019 9:10 am

I have a project that will require the connection of an HC-SR04 Ultrasonic Sonar Distance Sensor 20 ft. from my Arduino controller. Any suggestions on a reliable approach to make this connection? Thanks!
Attachments
IMG_7032.JPG
HC-SR04 Will be mounted on the rear bumper
IMG_7032.JPG (338.94 KiB) Viewed 87 times

spu3
 
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Location: Saratoga Springs, NY

Re: Best approach to connect HC-SR04 Ultrasonic Sensor 20 ft

by adafruit_support_bill on Thu Jan 03, 2019 9:32 am

I'd recommend shielded wire for a run that long in an automotive application. Automotive electrical systems tend to be quite noisy with inductive coils discharging through sparkplugs and all. 4-conductor microphone cable would be a good choice.

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Re: Best approach to connect HC-SR04 Ultrasonic Sensor 20 ft

by spu3 on Thu Jan 03, 2019 10:17 am

adafruit_support_bill wrote:I'd recommend shielded wire for a run that long in an automotive application. Automotive electrical systems tend to be quite noisy with inductive coils discharging through sparkplugs and all. 4-conductor microphone cable would be a good choice.


Thank you Bill! Yes - the ignition system on my 'toy' is noisy. I'll give the mic cable a try. Would a shielded CAT-5 also be an option?

spu3
 
Posts: 29
Joined: Sat Nov 19, 2011 5:19 am
Location: Saratoga Springs, NY

Re: Best approach to connect HC-SR04 Ultrasonic Sensor 20 ft

by adafruit_support_bill on Thu Jan 03, 2019 10:29 am

Yes. Shielded Cat-5 would be another good option.

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Please be positive and constructive with your questions and comments.