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D2-1 Intelligent Tracking Line Smart Car Kit TT Motor Electronic DIY Kit

<ul><li>The motor is equipped with a speed reduction device. Do not rotate vigorously with your hands to prevent damage</li><li>After successful installation, the trolley can move along the black track with a width of about 15mm</li><li>The circuit consists of photoelectric sensing, voltage comparison and motor drive</li><li>The photoluminescence resistance of the photoluminescence resistor will change when it is projected to black and white parts with different reflectivity</li><li>LM393 compares the size of two photosensitive resistors, and controls the operation of the two sides of the motor, so as to correct the direction of the trolley and ensure that the car moves along the black track</li></ul>

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D2-1 Intelligent Tracking Line Smart Car Kit TT Motor Electronic DIY Kit Smart Patrol Automobile Parts Feature: 1. After successful installation, the trolley can move along the black track with a width of about 15mm. 2. The circuit consists of photoelectric sensing, voltage comparison and motor drive. 3. The photoluminescence resistance of the photoluminescence resistor will change when it is projected to black and white parts with different reflectivity. 4. LM393 compares the size of two photosensitive resistors, controls the operation of the two sides of the motor, so as to correct the direction of the trolley and ensure that the car moves along the black track. 5. The motor is equipped with a speed reduction device. Do not rotate vigorously with your hands to prevent damage. Specification: Power: two AA batteries (not included) Installation size: 105x85x46mm/4.13x3.34x1.81'' Weight: 124g Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand. Included: 1 x LM393 1 x IC Socket 2 x Electrolytic Capacitors(C1,C2 ) 2 x Potentiometers(R1,R2) 4 x 51ohm Metal Film Resistances(R5,R6,R11,R12) 2 x 1K Metal Film Resistances(R7,R8) 2 x 10ohm Metal Film Resistances(R9,R10) 2 x 3.3K Metal Film Resistances(R3,R4) 2 x Photoresistors(R13,R14) 2 x Red LEDs(D1,D2) 2 x White LEDs(D4,D5) 2 x S8550(Q1,Q2) 1 x Self-Locking Switch 2 x DC Motors 2 x Wheels 2 x Tires 2 x Screws 2 x Nuts 1 x Screw Cap 4 x Cables 1 x Battery Case 1 x PCB D2-1 Mainboard

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