Cytron Maker Drive H-Bridge Motor Driver

Maker Drive: Simplifying H-Bridge Motor Driver for Beginner

Brushed motor is the most widely used motor because it is easy to use. Just supply the two terminals with DC power, the motor will start rotating! If you want to control it's speed and direction using a controller, usually you will use a L298N Motor Driver. But if you want an easy and beginner friendly motor driver, you are at the right page! Maker Drive is designed for simplicity and with beginner in mind!

The Problem Faced by Beginners in Driving DC Brushed Motor

Maker Drive is designed base on feedback from users, especially 1st time user. If you are a beginner or newbie that needs a simple motor driver to drive DC brushed motor for building mobile robot or other purposes, you might face some of these obstacles:

• Burning your Motor Driver - Many low cost motor driver does not come with Reserve Polarity Protection and this might result in smoke coming out from the driver if you connect the power in wrong polarity. This give you a burnt motor driver and of course the waste of money and your precious time. This will further cause anxiety for you to kickstart your electronics project.
• Too Bulky for compact project - Some motor driver comes with BIG heat sink and take up too much space.
• Hard to test and troubleshoot - With normal motor driver, beginners face a common problem during building project - difficulty in testing and troubleshooting the circuit. Yes, even with a clear schematic or diagram, the circuit will not work right after you complete the connection. Most of the time, we will need to test or troubleshoot. Without easy to use input and output indicator, you will need to write program to test the motor driver. And that increases the complexity of debugging as we do not know whether the problem is due to wire connection or coding in your program.
• Separate Power for Low Voltage Motor - Many low cost motor driver has onboard 5V linear voltage regulator, which is great to power your controller like Arduino. But this linear voltage regulator will not output 5V if Vin is lower than 7V. Yet, many small toy motors used in DIY projects are rated at lower than 7V. These motors are suitable to be powered by two AA or AAA batteries (3V or less) or single cell Li-ion 18650/Li-Po battery (3.7V rated voltage). With that, you will need two separate power sources, one for the motors and another one to get stable 5V output for controller such as Arduino board.

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Features 

• Fool Proof (Peace of Mind) - Maker Drive comes with Reverse Polarity Protection at Vin/Vmotor/Vbatt (Power for motor) terminal. With this protection it will greatly reduce the risk of damaging the motor driver
• Compact Design - Maker Drive is designed to be compact, roughly the size of a passport photo, 43mm(W) x 35mm(L) x 14mm(H)
• 4 Test Buttons (2 for each channel) - Easily test the motor or your mechanism without any controller or coding. Maker Drive comes with two manual test buttons for each channel. Pressing one of the buttons will drive the output full speed in a direction (if there is motor connected) on respective channel. While another button will drive the output in another direction. These buttons are useful to test the motor direction, connection and operation; even without controller. You will love these buttons, believe me! You can also use these buttons as manual activation button too. No programming is needed to use these buttons.
• 4 Indicator LEDs (2 for each channel) - Easily test your coding and wire connections. With these indicator LEDs, you can check output voltage direction even without connecting to your motor. And combining with the Manual Test Buttons, you can test the Maker Drive easily even without controller and motor connected. You can also easily identify where the error occur for easy troubleshooting. Of course no programming is needed too. These LEDs help in testing and troubleshooting.
• Buck-boost regulator to produce 5V output from input voltage as low as 2.5V- Power your 5V controller with 2 AA batteries. Maker Drive can produce output of 5V with input voltage range, from 2.5V up to 9.5V. This 5V output can supply 200mA to external circuit such as controller (Arduino), saving the trouble to get another another power source for your controller. Now your project can be powered with a single power source. And with the wide input voltage range, you can power Maker Drive with two AA or AAA battery (1.5V x 2 = 3V) or single cell Li-ion or Lipo battery that has rated voltage of 3.7V. That is awesome!
• Regenerative Braking Control - In some cases, it is called Regen braking and it provides better control over motor speed. Most application perform better in Regen braking for example line following as the controller can control the speed more accurately. Another method is coast stop which allow the motor to slow down or stop using the inertia.

Specification

• Dual channel, Bi-directional control motor driver
• Support motor voltage from 2.5V to 9.5VDC
• Maximum current up to 1.0A continuous and 1.5A peak (<5 seconds)
• 5V Output (200mA) to power the controller.
• Inputs compatible with 1.8V, 3.3V and 5V logic (Arduino, Raspberry Pi, etc).
• Solid state components provide faster response time and eliminate the wear and tear of mechanical relay
• Regenerative Braking
• Speed control PWM frequency up to 20KHz (Actual output frequency is same as input frequency)
• Dimension: 43mm(W) x 35mm (L) x 14mm (H)

Packing List:

• 1 x Maker Drive board

Related Links:

• Datasheet

• Arduino Sketch (Github), please select PWM_PWM_DUAL under example

• Line Following Robot using Arduino and Maker Drive

• Fritzing files