POV Clock and Stand

thingiverse

This is a stand-alone extension of the POV Clock designed by snug, featuring my first-ever 3D design for the stand part. Printed Parts-----------------As well as existing parts from https://www.thingiverse.com/thing:1098018, POV_Clock_Electronics.stl and POV Clock Stand.stl, use two 15mm Brass or Nylon stand-offs for the top screws.Use a 3mm tap to drill holes in the stand.Electronic Parts----A1120 Hall Effect Sensor is required, available at https://www.ebay.com/itm/1PCS-A1120LUA-T-IC-SW-HALL-EFFECT-CHOPPER-3-SIP-1120-A1120/192103054615?hash=item2cba3bfd17:g:0FIAAOSw241YfaR0.Arduino Mini Pro is also needed, available at https://www.ebay.com/itm/Mini-Pro-ATmega328P-Module-Micro-Controller-Board-Modul-5V-16Mhz-Arduino-New/182872778300?hash=item2a9411263c:g:EN4AAOSwhOxZ-1wf.ULN2004 Darlington Transistor Array IC is a must-have, available at https://www.ebay.com/itm/3pcs-ULN2004AN-ULN2004-2004-TRANSISTOR-ARRAY-7-NPN-IC/171907495215?epid=887647974&hash=item28067c352f:g:0p8AAOxydlFSusw6.5V regulator is necessary, available at https://www.ebay.com/itm/DC-DC-Buck-Step-Down-Module-3-3V-5V-9V-12V-3A-Adjustable-Voltage-Regulator-Power/272810484557?hash=item3f84c5a34d:g:yGQAAOSwEotZv96H.DS1302, battery holder and crystal from a DS1302 RTC board are required, available at https://www.ebay.com/itm/DS1302-Real-Time-Clock-Module-Battery-CR2032-Green/263030995800?epid=15004272494&hash=item3d3dde7b58:g:-sUAAOSwi8VZPFiB. Three push buttons are needed, available at https://www.ebay.com/itm/Mini-Momentary-Push-Button-Switch-for-Model-Railway-Hobby-7mm-Pack-of-10-Red/172709382653?epid=1885846660&hash=item28364809fd:g:nQQAAOSw42dZMTmi. A DC socket is also necessary, available at https://www.ebay.com/itm/10-5-5x2-1mm-DC-Power-Supply-Charger-Jack-Socket-Female-Panel-Mount-Connector-EV/272959420096?hash=item3f8da636c0:g:Tg8AAOSw32lYv4y-. An IN5819 Schottky Diode, 10K resistor, and two 0.1uF ceramic capacitors are required.PCB------Included are the Eagle files for the PCB, which I made using the toner method.Software------------The Arduino Sketch and associated libraries are included.