The perseids DIY Robot Smart Car Chassis Kit Educational Toy with Encoder Wheels (Speed Sensor Not Included), 4 Wheels and Battery Box for Adult Age 16+ (4 Wheels)
<p><b>Feature:</b> <br>Simple mechanical structure, it is easy to install. <br>Smart robot car with code disk, ideal for DIY. <br>Can be used for distance measurement, velocity. <br>This car is the tachometer encoder. <br>Can use with other devices to realize function of tracing, obstacle avoidance, distance testing, speed testing, wireless remote control.</p> <p><b>Specification:</b> <br>Noise: <65dB <br>Size: 25 x 14cm (L x W) <br>Wheel size: 6 x 2.7cm (Dia. x H) <br>Motor power supply is 3V ~ 6V. All the parameter above is tested without load.</p> <p><b>Installation steps:</b> <br>STEP 1: Insert the fastener into hte chassis after tearing off the yellow protection wrap of the chassis,the fastener and the code wheel <br>STEP 2: Install the code wheel and fix the motor to the chassis .(Attention,the copper sheet of the leading wire of the motor should face outward,the same side of the wheel) <br>STEP 3: Fix the motor to the chassis ,then insert and tighten the screws. <br>STEP 4: Insert the screws and fix the battery container. <br>STEP 5: Insert the spacer and tighten the 8 screws to fix the hammer caster.Hold tight and insert the motor(protection fastener) to the wheel .</p> <p><b>Note:</b> <br>This car is the tachometer encoder. <br>Come with a 4 AA battery box (batteries not included). <br>The car Chassis is transparent, you need to tear out protective paper.</p> <p><b>Package Included:</b> <br>2 x Car chassis <br>4 x Gear motor (1:48) <br>4 x Car tire <br>4 x Speed encoder <br>8 x Fastener <br>1 x Battery box(batteries not included) <br>All necessary screw and nut.</p>