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Monster Motor Shield for Arduino (Works with Official Arduino Boards)
Description:This is essentially a ramped up version of our Ardumoto motor driver shield. For this monster shield we've replaced the L298 H-bridge with a pair of VNH2SP30 full-bridge motor drivers. We've also beefed up the support circuitry so this board is capable of driving a pair of high-current motors! The VIN and motor out are pitched for our 5mm screw terminals (not included)£¬ making it easy to connect larger gauge wires. Note:When using this board in extreme high-demand applications it may be necessary to improve thermal performance with a heat-sink or fan and to solder the wires directly to the board instead of using a screw terminal (in addition to the myriad other complications present in a high-current system) However£¬ when using the board at currents up to 6A the chips will barely become noticeably warm. Features: Voltage max: 16V; Maximum current rating: 30 A; Practical Continuous Current: 14A; Current sensing available to Arduino analog pin; MOSFET on-resistance: 19 mohm (per leg); Maximum PWM frequency: 20 kHz; Thermal Shutdown£¬ Undervoltage and Overvoltage shutdown