Sell Patrol Smart Car Kit DIY Robot Automobile Suite Electronic Intelligent Line Parts Tracking Motor Wheel best price

Description: 100% Brand New and High Quality. 1. Design your runway. You can also design a complex runway using 15mm black electrical tape directly on the ground. 2. Easy to assemble. We provide you with an schematic. Assembly is easier and great for kids, beginners and amateurs. 3. Wide range of applications. It's popular to help children understand welding project knowledge like mechanical structure, electronic basic technology, and sensor principle. 4. Working principle: using the red LED as the light source, the light is reflected through the ground to the photo-resistance. By detecting the change in the resistance of the photore-sistance, it can be judged whether the trolley is traveling along the runway. The assembly steps: 1. The basic circuit soldering: 8 resistance soldering, pay attention to the resistance and direction. 2. Mechanical assembly. 3. The installation of optoelectronic circuit. 4. The vehicle debugging. Specification: Color: multi-color Work voltage:3V Battery: 2 * AA batteries(not included) PCB size(approx.):105 * 72 * 1.6mm / 4.13 * 2.83 * 0.06" Installation size(approx.):105 * 85 * 46mm / 4.13 * 3.35 * 1.81" Package Included: 1PC * DIY car kit Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2cm differences due to manual measurement. 3. This is a DIY kit, you need to have some knowledge of electronics and ability. 4. Easy to make, we do not supply you with a manual, instead we supply you with the schematic. #Smart #car #kit #DIY #tracking #line #intelligent #patrol #electronic #motor #automobile #parts