Infrared 4-channel Line tracking/following sensor (For smart robot car)

Infrared 4-channel Line tracking/following sensor (For smart robot car)

Marsoni

M251S

$98.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Infrared 4-channel Line tracking/following sensor (For smart robot car)Feature: Smart car or a robot hunt (including black and white lines), walking path along the black line, also known as tracking. Smart car to avoid obstacle and cliff, anti drop. Can be applied to other automation applications of photoelectric. Specification: Working voltage: DC 3. 3V 5V Working current: try to choose more than 1A power supply Working temperature: 10C to +50C Mounting aperture: M3 screw Detection range: 1mm to 60cm adjustable, the

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My dog is a mix of a Husky and a Pit Bull. She needs to chew toys, but they usually don't last long. This one seems to be an exception. She took to it right away, and it's still in one piece pi. I assume that the bacon flavor or scent is what keeps her coming back to this toy. This one seems to be her favorite so far.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on January 13, 2026

Verified Purchase

Amazon Customer

San Leandro, US

★★★★★ 5

FOR SHORT TIME USE

Size: X-Small, Color: Ring Bone

My puppies love this. After a couple of weeks, it is worn so I throw it out and buy another since it's reasonably priced. I don't want them to actually ingest a chunk of this.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on April 11, 2026