L298P Arduino Motor Shields Cduino Uno R3 Dc Stepping Motor Drive Module Stepper Tank Car Chassis Crawler Robot Remote Control

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Introduction

  • Cduino Motor shields R3 is a motor driving module based on the Arduino Motor shields R3 technic. It uses the L298P two-way full bridge driving chip and is able to drive a two-way DC motor or relay. It is able to measure the real time current and perfectlly matches with the Cduino UNO R3 and the Arduino UNO R3. 

Feature

  • Working voltage: 5-12V

  • Motor controller: two-way DC motor or one-way stepping motor. 

  • Current: 2A per way, 4A maximum

Power

  • The Arduino Motor shields must be powered only by an external power supply. Because The L298 IC mounted on The shields has two separate power connections, one for The logic and one for The Motor supply driver. The required Motor current, exceeds The maximum USB current rating.

  • External (non - USB) power can last come either from an AC - to - DC adapter (wall wart) or '. The adapter can be connected by plugging a 2.1 mm center - positive plug-in into The Arduino 's board, The power jack on which The motor shields is mounted or by connecting The wires that lead to The power supply to The Vin and GND screw terminals, taking care to new one The polarities.

  • To get possible damage To the Arduino board, on which the shields is mounted, we reccomend using an external power supply that provides a voltage between 7 and 12 v. If your company require more than 9 v we how that separate the power lines of the shields and the Arduino board, on which the shields is mounted. This is possible by cutting the "Vin Connect" jumper placed on the back side of the shields. The absolute limit for the Vin at the screw terminals is 18 v.

The power pins are as follows

  • The Vin on the screw terminal block, is the input voltage to the motor connected to the shields, An external power supply connected to this pin braking dojo.provide power to the Arduino board on which is mounted. By cutting the "Vin Connect" jumper you make this a dedicated power line for the motor.

  • GND Ground on the screw terminal block.

  • The shields can supply 2 amperes per channel, for a total of 4 amperes maximum.

The Input and Output

  • This shields has two separate channels, called A and B, that each use 4 of the Arduino pins to drive or sense of the motor. In total, there are 8 pins In use on This shields. You can use the each channel separately to drive two DC motors or combine them to drive one unipolar stepper motor.

  • The shields' s pins, means by The channel are to in The table below:

  • The Function pins per Ch. A pins per in Ch. B

  • Direction D12 D13

  • PWM D3 D11

  • Brake D9 D8

  • The Current Sensing A0, A1

  • If you don 't need the Brake and the Current Sensing and you also need more pins for your application, you can disable this the features by cutting the respective jumpers on the back side of the shields.

The additional sockets on The shields are described as follow

  • Screw terminal to connect the motors and their power supply.

  • 2 TinkerKit connectors for two Analog Inputs (in white), connected to A2 and A3.

  • 2 TinkerKit connectors for two Aanlog Outputs (in orange in the middle), connected to the PWM Outputs on pins D5 and D6.

  • 2 TinkerKit connectors for TWI interface (in white with 4 pins), one for the input and the other one for the output.


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