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What is included:

 

-  main board

 - 3 cable gland joints (one for azimuth encoder cable, one for altitude encoder cable and one for powering the system using 5V USB if you choose to do so)

 - 2 encoder brackets (3d printed)

 - one box

 - 4 standoffs (3d printed) for mounting the main board inside the box using double side tape

 - double side tape

 - 2 GT2 16 tooth pulleys (3d printed)

 - 2 square nuts for pulley setting screws (M3)

 - 6 screws for installing the encoders on the brackets  

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Please note the 3d printed parts might have one rough surface where the part comes in contact with the printing bed or where the part needed to use support for overhanging areas. This is not a defect.

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Encoders are optional and can be included for an additional $30 each.

You can use any "600 pulses 2 phases photoelectric Incremental Rotary Encoder 5V-24V". These are available on eBay for $20 with delivery in 30-90 days or Amazon for $30 with delivery in 7 days.

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Please pay attention to the encoder's wires. The encoders have 4 wires:

 - negative usually black

 - positive usually red

 - phase A usually white or green

 - phase B usually white or green (if A is green, B will be white and the if A is white B will be green) 

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Please note there are some encoders on Amazon that have the positive on the white wire and phase A or B on the red wire. Please make sure the seller is mentioning the wiring when you buy the encoders. 

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Standoffs installation. Just press them through the holes.

To power the system you have 2 options. DO NOT USE BOTH OPTIONS AT THE SAME TIME:

 

Option 1: Power through the terminal block connector.

Cut a USB cable, feed it through a cable gland joint (on the left side) and connect the positive and negative wires to the terminal block  on the main board, marked USB (G and +5V), see the pictures below. Usually the black wire inside a USB cable is ground and the red wire is the +5V. Please use a multi meter to determine the correct polarity.

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Option 2: Power through the micro controller USB connector

Drill a hole on the right side of the box, right in front of the USB connector, feed a USB cable through the hole and plug it in the USB connector, see the images below.

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