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Update README.md
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Updated images links to point to github
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kevinferrare committed Mar 14, 2015
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Expand Up @@ -28,13 +28,13 @@ The hardware is built from off the shelf cheap components, you can buy them from

The connection between the components is as below:

![Wiring](https://arduino-st4.googlecode.com/git/Hardware/diagram.png)
![Wiring](https://raw.githubusercontent.com/kevinferrare/arduino-st4/master/Hardware/diagram.png)

Be careful not to invert GND with some other pins.

My first version looked like this (quick and dirty solders, very fragile!):

![First prototype](https://arduino-st4.googlecode.com/git/Hardware/prototype.png)
![First prototype](https://raw.githubusercontent.com/kevinferrare/arduino-st4/master/Hardware/prototype_small.png)

## Flashing the arduino
Once the hardware is built, you have to upload the code to the arduino.
Expand Down Expand Up @@ -72,22 +72,22 @@ https://drive.google.com/open?id=0B04IJvbw0nqmeHJLQS13eVotQ3M&authuser=0
* Open the connection dialog
* Select the "ArduinoST4 telescope driver"

![Driver Selection](https://arduino-st4.googlecode.com/git/Wiki/DriverSelection.png)
![Driver Selection](https://raw.githubusercontent.com/kevinferrare/arduino-st4/master/Wiki/DriverSelection.png)

If you couldn't find it, there was a problem with the driver installation.
* Click on "Properties" to configure it
* Put in com port the name of the port on which the arduino is connected
* Modify if needed the different slewing rates (multiple of sideral rate, 1X = earth rotation rate).

![Driver Configuration](https://arduino-st4.googlecode.com/git/Wiki/DriverConfiguration.png)
![Driver Configuration](https://raw.githubusercontent.com/kevinferrare/arduino-st4/master/Wiki/DriverConfiguration.png)

The default settings work fine for my EQ5 mount with the speed switch on the 8X position.

Please note that RA+ and RA- value is not 8, this is because of the earth rotation. Your mount may compensate for this or not.

Everything plugged in:

![Telescope setup picture](https://arduino-st4.googlecode.com/git/Hardware/plugged_into_scope_small.jpg)
![Telescope setup picture](https://raw.githubusercontent.com/kevinferrare/arduino-st4/master/Hardware/plugged_into_scope_small.jpg)

Video of the telescope slewing:

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