INTES-MICRO ALTER D6 mount replacement board.
History of modifications:


Specs:
Version Load Controller Comms. Motors Transmission Max. Speed Encoder GPS RTC Focuser Power tracking/slewing
Original 40Kg ALTER-D6 None NEMA17 1.8º 12V
6 wire steppers		 Gear reduction
(unknown ratios)		 16x sideral No No No No 12V (unknown current)
1 40Kg AWR Serial
ASCOM		 NEMA17 1.8º 12V 64 microsteps
6 wire steppers		 Gear reduction
14:1		 0.55º/sec No No Yes No 12V@3A/12V@3A
2 40Kg OnStep
ESP32		 USB/Wifi/Bluetooth
ASCOM/APP/WebServer		 NEMA17 1.8º 12V 64 microsteps
4 wire steppers		 Planetary reduction
14:1		 3º/sec No No Yes No 12V@0.5A/12V@0.8A
3 40Kg OnStep
ESP32		 USB/Wifi/Bluetooth
ASCOM/APP/WebServer		 NEMA17 0.9º 24V 128 microsteps
4 wire steppers		 Belt reduction 4:1 3º/sec No Yes Yes Yes 12V@0.5A/12V@0.8A
4 40Kg OnStepX
TEENSY 4.0		 USB/Wifi
ASCOM/APP/WebServer		 NEMA17 0.9º 24V 128 microsteps
4 wire steppers		 Belt reduction 4:1 7.5º/sec TDM*
+/-0.5"		 Yes No Yes 12V@0.45A/12V@1.2A
*The TDM (Telescope Drive Master is not part of the OnStepX ecosystem.
This custom rebuild is based on an AWR Tech upgrade. Even so, massive changes need to be carried out. It also uses 3D printed parts

ALTER D6 "PRO" by GOAAA, latest version:



A V3 board being tested:



A V2 board with external motor with planetary reduction gears installed:



Contact us at: email