Telescope OnStep goto controller Box for [STM32 Blue Pill ](https://easyeda.com/kbahey/OnStep-STM32-Blue-Pill)
More info about OnStep goto controller on [Howard
...Plus Dutton project](https://onstep.groups.io/g/main/wiki/home)
Box FreeCAD source on [GitHup](https://github.com/romanhujer/OnStep-Box)
###BOM additions
8x 2x6mm self-tapping screws
1x Small power ship type switch size 15mm x 21mm
1x 5.5mm x 2.1mm DC Power Supply Jack Socket Female Panel Mount Connector
###Options for PEC version:
1x GX12 3Pin Aviation 12mm Connector
###Options for Fan version
1x Pi-Fan 30mm 5V Cooling Fan for Raspberry Pi
4x 2x8mm self-tapping screws
###Options for EQ5 version:
1x 3.5mm Stereo Jack Panel Mount Connector K4U6 for polar scope iluminator
1x 1kΩ rezistor
1x BME280 weather sensor
2x 2x3mm self-tapping screws
1x GX12 2Pin Aviation 12mm Connector for 5.2V out RPi power (ASIAIR, IndigoSky or StellarMate)
###Note
* Polar Scope Iluminátor LED serial connected with 1kΩ rezistor. In STM32 board plug to MULTI socket 3V3 pin and reticle pin. (Only for EQ5 version)
* For BTmodule need this [PCB](https://easyeda.com/hujer.roman/bt_for_minipcb2)
* Use a tap to create a 1/4"-20 UNC thread for holders
###UPDATE
* 2020-02-19 Add EQ5 version
* 2020-02-23 Add Top Cover with Pi-fan and BME280
####Another recommended link:
* [OnStep SHC (Smart Hand Controller)](https://www.thingiverse.com/thing:3212339)
* [OnStep ST4 Handheld controller](https://www.thingiverse.com/thing:2626117)
* [Box for OnStep Mini 2.0](https://www.thingiverse.com/thing:3404139)
* [OnStep for Sky-Watcher EQ5 mount](https://www.thingiverse.com/thing:4170058)
* [OnStep for SEBEN EQ3 mount](https://www.thingiverse.com/thing:2476084)
* [3D printed - Small Travel EQ telescope mount](https://www.thingiverse.com/thing:3327081)
* [My all desing for Astronomy telescope ](https://www.thingiverse.com/RomanHujer/collections/astronomy-telescope)
