There is a wide selection of gate opener products available online or at local shop, The price would range from several hundred dollars to more than a grand. It is really hard to tell the difference by the appearance. After intensive research on reviews, I decided to purchase the ALEKO AR1450 sliding gate opener with gear rack… continue on yu.xueming.org
Update: my blog has moved! Check out yu.xueming.org
Xueming Yu 
Donde puedo comprar los complementos como los imanes y los portaimanes del Aleko AR1450
Can you provide the diameter and RPM of the openers drive gear? Can the gear be easily removed and swapped out for a chain sprocket? If you can determine, what is the output shaft diameter? I want to use the same gate opener to open a roof for an astronomical observatory.
I think the manufacturer has a model that comes with a chain sprocket.
How wide is it including the wheel or gear?
Aleko embedded your video on their page. Nice job!
excellent post
Could you add more detail on the wiring onto the control board and where the black and red wire connects to
I didn’t touch that part as they came pre-wired out of the box. If you woud like to know what they are, please refer to the image I just uploaded towards the bottom of the the post.