Hardware
Stepper motion controller and driver for RA/DEC
The relevant Eagle files:
| Schematics: | openDrive_MC_00.28.sch |
| Board: | openDrive_MC_00.28.brd |
Some images of the PCB:
| Front |  |
Back |  |
|
| Front Assembled |  |
Back Assembled |  |
|
| Diagonal |  |
Side |  |
Control Pad
Sorry, this is not completely done yet – real schematics (Eagle files) to follow soon.
Specs (preliminary):
ATMega88 MCU
XBee or Bluetooth module for communications with telescope controller
Battery operated or via external 5V DC
| Schematics |  |
Layout |  |
A couple of images – this is how the first prototype is looking.
| Front |  |
Handheld |  |
|
| Powered |  |
Enclosure |  |