Mainly Android mobile phone or tablet, via Bluetooth radio communication control; electronic circuit on the wafer MCU 8051 / ARDUINO / M3 / STM32, algorithms and a PWM motor drive two DC machine. The car can wirelessly turn around and go forward, backward ‧ You can purchase this kit, APP provide examples free, each piece of hardware kit 3000NTD (advanced version), introductory paragraph 1500NTD. Please letter triaxial accelerometer later branched transport control mode; 8051 / ARDUINO / M3 / STM32 other APP program receives this command f / b / l / r / s