may use it to expand up to 4 servos to one Master Board
may use it as expand board for IR sensors also.
size: please check from photos
Package included:
1 x expanding board
1 x connecting wire
use it with the following board ( servo act at normally quick speed )
if you need to adjust the servos' speed so that the gates act more life like, you need to buy the following hub with servos' speed adjustor
Click the above small photos and they will lead you to the links to buy them
goods will be shipped by Airmail from China after cleared payment, normally we may dispatch them within 24 hours, but sometimes, we need time to hand make them, in such case, we will dispatch them within 3 to 5 working days, ship to worldwide.
Approximate Delivery Time
Delivery Time
Countries
8 - 12 working Days
10 - 15 working Days
15 - 25 working Days
United States
UK, australia, Canada, europe
other countrys
We accept payments by Paypal only. Payment should be made within 7 days.free returns within 30 days: you may return the items(s) if you receive them defectived within 30 days at our shipping cost, we will send you replacements or money back. But please kindly inform us first before sending them back.we've been specialized in Model Train Accessories since 2004, wholesale welcome. We're glad to answer any questions you have. Please send us message through eBay and we will respond within 24 hours (weekend excluded).