December 19, 2019
Description
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
####Another recommended link:
License:
GNU - GPL