Is there a library which contains the python code on how to communicate with this device?

For this product, we only have library for Arduino https://github.com/CytronTechnologies/CytronMotorDriver. However, we have made a tutorial for a similar motor driver (1Amp dual channel) using the phtyon code https://tutorial.cytron.io/2019/03/06/getting-started-with-maker-drive-and-raspberry-pi/. Please check if it helps.

Why is there an asterisk for the direction? from the graph does it not say that if you set dir to high then it goes forward and low then it goes back

Forward or backward is just a representation. Actual direction is depending on the motor connection. i.e. reverse the motor's wire terminals at the board (MA & MB) will reverse the motor spinning direction. Thank you.

I see that you have a arduino library, has it been tested or work with esp8266 or esp32?

Although we are not tested on esp8266 or esp32, but it is compatible. Just make sure the correct pin for PWM and DIR is selected

Does this board have diodes (for reverse current) to take care of back emf from the dc motor?

The MOSFET already has the diodes built-in. This motor driver is a regenerative motor driver and the energy generated by the motor during deceleration will be pumped back to the power source. Make sure a rechargeable batteries is used to power the motor driver so that it can absorb this regenerative energy.

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Cytron 20Amp Bi-Directional 6V-30V DC Motor Driver Speed Controller 60A Peak

Cytron 20Amp Bi-Directional 6V-30V DC Motor Driver Speed Controller 60A Peak

Product ID: 118008162

Details

Brand
Cytron
Color
Black
Material
Plastic
Plant or Animal Product Type
plant
Recommended Uses For Product
Automation

⚡20A continuous current

🔄Bi-directional motor control

🌡️Built-in temperature & current protection

€ 63.83

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Description

⚙️ Drive Your Innovation Forward with Power and Precision!

PLUG PLAY TESTING - Onboard test buttons and LEDs let you verify motor driver function instantly—no host controller required.
ROCK SOLID RELIABILITY - Active current limiting, temperature protection, and undervoltage shutdown keep your system safe and running.
UNIVERSAL COMPATIBILITY - Works flawlessly with 1.8V to 12V logic levels—perfect for Arduino, Raspberry Pi, PLC, and more.
POWER THROUGH WITH CONFIDENCE - Supports 6V-30V motors with 20A continuous and 60A peak current—no heatsink needed.
SEAMLESS BI DIRECTIONAL CONTROL - Effortlessly reverse motor direction for dynamic applications with precision PWM and DIR inputs.

The Cytron 20Amp Bi-Directional DC Motor Driver offers robust control for brushed DC motors operating between 6V and 30V. Delivering up to 20A continuous and 60A peak current without a heatsink, it features advanced protections including overcurrent limiting, temperature monitoring, and undervoltage shutdown. Compatible with a wide range of controllers via PWM and DIR inputs, it’s ideal for automation, robotics, and high-demand motor applications.

Reviews

N**1

Works

Worked on my 350W 20A motors and pretty heavy loads.

6.03.2024

M**)

Very good!

This is a surprisingly good unit. Handled control of an 18amp blower and stayed cool indefinitely with no heat sinking. Was able to control easily with a 3.3v PWM signal over a 4 foot cable with only diode rail protection.

29.03.2021

A**R

Good board!

I wish they would make a dual channel 20a and 30a board. They might... I looked, but I cant remember. I still want one.

30.10.2021

E**I

Semplice funzionale ed economico.

3.09.2019

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€ 63.83

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Slovakia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Best Sellers Rank	#168,096 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #135 in Motor Speed Controllers #1,009 in Tool Sets (Tools & Home Improvement)
Customer Reviews	4.9 out of 5 stars 23 Reviews

Cytron 20Amp Bi-Directional 6V-30V DC Motor Driver Speed Controller 60A Peak

Details

Details

Description

Specifications

Reviews

Common Questions