■在庫はない場合は、通常5～10日以内に発送。販売元直送の場合もあります、発送後に追跡番号を発行。 納品日数は最大10-15日の場合もあります。<br/>■初期不良・不良品による返品・交換(3日内)の返品送料はお客様負担となります。<br/>DIY Smart Tracking Robot Car Electronic Kit With Reduction Motor Set<br/><br/><br/>Specifications:<br/><br/>Track width: 15mm<br/>Color: As shown<br/>Size(Length x Width): appr. 10 x 7cm<br/>Power: 2 x AA battery<br/>Voltage: 3V<br/><br/>The assembly steps:<br/><br/>Step 1: Welding circuit<br/>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<br/>circuit chips can temporarily not inserted<br/><br/>Step 2: Mechanical assembly<br/>The red line is connected to the 3V positive power supply  the yellow line grounding  excess wire can be used for motor wire.<br/><br/>Step 3: The installation of a photoelectric circuit<br/>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.<br/><br/>Step 4: Vehicle debugging<br/>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<br/>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.<br/><br/>Click to watch installing and debugging video<br/><br/>Note:<br/><br/>Battery is not included.<br/><br/>Package included:<br/><br/>1 x Tracking Robot Car Kit