Overview Welcome the JetBot, a literally smart robot powered by Jetson Nano. With the intelligent eye (front camera), no matter facial recognition, object tracking, auto line following, or collision advance, just a piece of cake. It also comes with ROS nodes code, make it easy to get started with the open source ROS (Robot Operating System), and to learn the system framework and concepts of ROS. JetBot Expansion Board Features Adopts 3x 18650 batteries (NOT included), high battery capacity, up to 12.6V voltage output, more powerful driving force Integrates S-8254AA + AO4407A lithium battery protection circuit, provides protections for over-charge, over-discharge, over-current, and short circuitOnboard APW7313 voltage regulator, provides stable 5V voltage for the Jetson NanoOnboard TB6612FNG dual H-bridge motor driver Onboard 0.91inch 128×32 pixels OLED, allows to display robot IP address, RAM, battery life, etc.Onboard ADS1115 AD acquisition chip for monitoring the battery in real time Package Contains (Weight: 0.773 kg) Metal box x1 Camera holder x1 Acrylic piece x1 Jetbot expansion board x1 IMX219-160 Camera x1 Wireless-AC8265 x1 Motor 2PCS x1 Wheel 2PCS x1 Omni-direction wheel 2PCS x1 Power adapter EU head x1 12.6V battery charger x1 Wireless gamepad x1 Screwdriver 2PCS x1 6Pin 9cm cable x1 Screws pack x1 Spanner x1Cooling fan x1 Micro SD card reader x1 (Note: Jetson Nano and three 18650 batteries are NOT included.)