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Tracking Robot Car Electronic DIY Kit With Gear Motor - Green + Black
The assembly steps: Step 1: Welding circuit Electric welding part is simpler£¬ welding sequence according to the principle of component level from low to high£¬ the first welding eight resistance£¬ is important to use multimeter to confirm resistance is correct£¬ D4£¬ D5 R13 R14 can temporarily not welding£¬ integrated circuit chips can temporarily not inserted Step 2: Mechanical assembly The red line is connected to the 3V positive power supply£¬ the yellow line grounding£¬ excess wire can be used for motor wire. Step 3: The installation of a photoelectric circuit Photosensitive resistance and light-emitting diodes (note polarity) is reverse-mounted on the PCB£¬ and the ground distance is about 5 mm£¬ both photosensitive resistance and light-emitting diodes are 5 mm distance. Finally£¬ you can power test. Step 4: Vehicle debugging The right direction is along the universal wheel direction£¬ if you press and hold the left photoresistor£¬ the wheels on the right side of the car should be rotated. Press and hold the right photoresistor£¬ the wheels on the left side of the car should be rotated£¬ if the car driving back£¬ can also exchange the wiring of two motors£¬ if the one side normal and the other side back up£¬ as long as you can swap wiring of back side.