Box for OnStep STM32 Blue Pill

Telescope OnStep goto controller Box for STM32 Blue Pill

More info about OnStep goto controller on Howard Dutton project

Box FreeCAD source on GitHup

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
• 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)
• OnStep ST4 Handheld controller
• Box for OnStep Mini 2.0
• OnStep for Sky-Watcher EQ5 mount
• OnStep for SEBEN EQ3 mount
• 3D printed - Small Travel EQ telescope mount
• My all desing for Astronomy telescope