How to make a US AUTOMATIC 300D smart?

The US AUTOMATIC 300D is a reliable and popular garage door opener known for its exceptional performance and durability. Made by US AUTOMATIC, a trusted brand in the industry, this opener is designed to provide smooth and efficient operation for your garage door.
With its advanced features and user-friendly interface, the US AUTOMATIC 300D has gained a loyal customer base. Customers appreciate its quiet operation, reliable safety sensors, and convenient remote control functionality. It has become a top choice for homeowners looking for a high-quality garage door opener.
If you want to take your US AUTOMATIC 300D to the next level, you can make it smart by purchasing an ismartgate. The ismartgate is a smart garage door controller that seamlessly integrates with your existing opener, allowing you to control and monitor your garage door from anywhere using your smartphone.
By installing the ismartgate, you can enjoy the convenience of opening and closing your garage door remotely, receive real-time notifications on your phone when the door is opened or closed, and even grant access to family members or trusted individuals with just a few taps on your phone.
With its easy installation process and compatibility with various garage door openers, the ismartgate is the perfect addition to your US AUTOMATIC 300D. Upgrade your garage door opener to a smart system today and experience the convenience and peace of mind that comes with it.

Make your existing garage or gate opener smart

What can ismartgate garage door opener do?

Here are some advantages of using the ismartgate garage door opener:
- Open and close your garage door remotely using your smartphone.
- Monitor the status of your garage door in real-time, whether it's open or closed.
- Receive notifications on your phone when your garage door is opened or closed.
- Integrate with voice assistants like Amazon Alexa or Google Assistant for hands-free control.
- Set up schedules to automatically open or close your garage door at specific times.
- Grant temporary access to family members or trusted individuals with personalized access codes.
- Integrate with other smart home devices, such as security cameras, for enhanced home automation.
- Track and log garage door activity to keep a record of who accessed your garage and when.

How do I install an ismartgate smart garage opener to a US AUTOMATIC 300D?

1. Get your ismartgate device here.
2. Take a look at the US AUTOMATIC 300D wiring diagram below.
3. Using a small cross head screw driver, connect the wires (included with the ismartgate Kit).
4. To power the ismartgate device, you can use the included wall mount AC adapter. In case don't have a power outlet you can use our DC/DC Power Converter.

Wiring, connections diagram for iSmartgate Lite, Mini, Pro - Smart Garage Door & Gate Openers

US AUTOMATIC 300D wiring diagram.

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Doors Supported	1	1	3
Remote Access & Door Status Alerts
Apple HomeKit
Google Assistant
Samsung SmartThings
IFTTT
Amazon Alexa*
Wireless Sensor Compatibility
Wired Sensor Compatibility
User Management
Video Integration
Visual Acoustic Alarm
Open & Close Custom Music
Wi-Fi compatibility (2.4GHz)
Ethernet Compatibility**
Web Browser Access

Which ismartgate do I need?

Which iSmartgate garage door opener do I need?

Which ismartgate do I need?

Try our simulator and find the perfect ismartgate for your home.

How many Garage Doors do you have?

DOOR 1 TYPE:

Sectional

DOOR 2 TYPE:

Sectional

DOOR 3 TYPE:

Sectional

Sensor type

Do you want wireless or wired sensor/s for your garage door/s?

Is your opener Chamberlain, Liftmaster or Craftsman?

ismartgate garage door simulator, security

Got a Chamberlain or LiftMaster Garage Door Opener with Security+2.0?

Check the color of the learn button on your garage opener. If it’s YELLOW your opener use Security+2.0 and you will need the ismartgate switch adaptor.

Door 1

Door 2

Door 3

Separation