Arduino is a good introduction to electronics, with motor extension board can good become robot development platform. Here one can drive all kinds of simple introduction to the slightly complex projects fully functional extension plate of motor.This is a commonly used dc motor driver module, using 293 d small current dc motor driver chip. Pin have been made into the Arduino compatible, lovers also facilitates rapid development based on the Arduino.* 2 5 v servo motor (steering) port connected to the Arduino high resolution and high precision timer - no shaking!* and 4 road up to four two-way dc motor PWM speed resolution (about 0.5%)* up to 2 stepper motor control, operations control, single/double step interlaced or micro step and rotation Angle control.* 4 H - bridge road, L293D chip per luqiao. 0.6 A peak 1.2 (A) current with thermal power protection, 4.5 V to 36 V.* pulldown resistor to ensure in the electric motor to keep stop state.* make it easier for wiring terminal terminal (10 to 22 awg) and power supply.* with the Arduino reset button.* two large terminal external power supply terminals Ensure the logic and motor driven power separation.* compatible with Mega, Diecimila, & Duemilanove.* download convenient use Arduino software library for project development quicklyScope of application: the Arduino beginner, Arduino experiment equipment platform, interactive electronic Arduino, Arduino robot, etc.Characteristics: more functions, convenient operation, powerful drive library support and update.Weakness: the I/O occupy more at the same time under the condition of four road motor (relative Arduino less I/O version), small power.To drive dc motor or 2 road 4 step motor at the same time also can drive 2 road steering gear, support for the latest Arduino UNO, Arduino Mega 2560You can match like this:Four dc motor and two road steering gear drive
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