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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Fun to read aloud, old-school, easy read by Diane DeGroat about classroom friendships, honesty, kindness, and fixing mistakes. K-2nd grade will enjoy. So many of today’s children’s books lack depth, depend on dumb fart/poop jokes, are tied to tv shows/movies, or overfocus on moralizing and turning kids into little adults. Read for fun with your kids as often as you can! Check out children’s authors/illustrators from the 80’s and 90’s!

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Reviewed in the United States on February 26, 2026

Verified Purchase

erin jenkins

Dallas, US

★★★★★ 5

Entertaining and teaching book

Format: Paperback

I got this for Valentine’s Day for my 7 year-old grandson. I thought he’d enjoy the book as the title is funny, not “mushy.” He enjoyed reading the book to me, and I was pleasantly surprised to find a lesson on being kind.

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Reviewed in the United States on February 12, 2024