Stepper Motor Driver for SPEX 1702/04 Spectrometer
PDF Schematic and Board Layout
Schematic
PCB Tracks
PCB Solder
PCB Silkscreen
PCB Silkscreen with pads
Front panel
Cad files
Express PCB bord layout
Express PCB front panel
Windraft Schematic
ATtiny84 C code
stepspec.c
PDF of stepspec.c
Python code to create PWM motor speed lookup table
looktable.py
lookup table output
Readme file with notes
step_spec_readme.pdf
Video showing it works
step_spec_demo.mp4
Pictures
spex_old_controller.jpg
box_and_remote.jpg
box_bot.jpg
box_inside.jpg
box_panel.jpg
box_side_con.jpg
driver_bot_w_slug.jpg
driver_bot.jpg
driver_side_1.jpg
driver_side_2.jpg
remote_bot_w_fix.jpg
remote_bot.jpg
remote_jumper.jpg
remote_top.jpg
LED_PCB_top.jpg
LED_PCB_side.jpg
LED_PCB_bot.jpg