OSSCR - Open Source Smart Curtain Rod

prusaprinters

<h3>Open-Source Smart Curtain Rod – OSSCR</h3><h3>What’s OSSCR?</h3><p>OSSCR stands for “Open-Source Smart Curtain Rod”. This is probably the fastest DIY smart home solution for automizing your curtain.</p><p><a href="https://www.youtube.com/watch?v=6tPYzpHReMk&amp;feature=youtu.be">Short demonstration Video</a></p><p>&nbsp;</p><h3>Features</h3><p>• Affordable<br>• Retrofit<br>• Very fast movement<br>• Connection via Wifi<br>• IFTTT Support (and therefore Google Assistant, <a href="https://www.amazon.com?linkCode=ll2&amp;tag=thingiverse09-20&amp;linkId=e4759bff1fa9a55a0f897d801ce2d765&amp;language=en_US&amp;ref_=as_li_ss_tl">Amazon</a> Alexa, etc.)<br>• Initializes length of the Rod<br>• Adjustable Acceleration, Deceleration and Speed<br>• Variable length (1.5m tested)<br>• Fits Rod diameter of 25/26mm</p><p>&nbsp;</p><h3>Bugs/Future Goals</h3><p>• Sometimes packages don’t arrive<br>• Silencing and soften Initialization<br>• Design some PCB’s<br>• Integration of WifiManager library<br>• TMC Driver support (StallGuard/sensorless homing, StealthChop/silent movement, UART support)<br>• Adding a switch to manually open the curtain<br>• Adding more tube diameters<br>• Enhance energy efficiency</p><p>&nbsp;</p><h3>Tools/Skills</h3><p>• Some Experiences in programming Arduino/ESP8266<br>• A 3D Printer<br>• Soldering Iron<br>• Multimeter</p><p>&nbsp;</p><p>&nbsp;</p><h3>Material</h3><p>• ESP8266 Microcontroller (I used the NodeMCU)<br>• Stepper Driver (I used the Polulu a4988)<br>• Nema 17 Stepper Motor<br>• Generic Microswitch (I used “Tiaihua 2A 125V AC”) (x2)<br>• 608 Ball Bearing<br>• GT2 Belt (ca. 2x the length of your curtain rod)<br>• 12V Power Source<br>• Some Filament for the printed parts<br>• M3x12 lowerhead (4x)<br>• M3x10 (7x)<br>• M3x5 (5x)<br>• M3 Nut (1x)<br>• M4x25 (1x)<br>• M4x15 (2x)<br>• M4 Nut (1x)<br>• JST-XH connectors (3x 2 Pin, 1x 4Pin) (not necessarily needed)<br>• XT-30 connector (not necessarily needed)<br>• 40mmx60mm perfboard (not necessarily needed)</p><p>&nbsp;</p><p>&nbsp;</p><h3>Preparation</h3><p>• Watch this Tutorial from the great <a href="https://www.youtube.com/watch?v=9G-nMGcELG8">Andreas Spiess</a><br>• Create an account on Adafruit iO<br>• Create an account on IFTTT<br>• Connect your Assistant (Alexa, Google Assistant, etc.) via IFTTT to Adrafruit iO<br>• Make sure to name your feed in Adafruit iO “start_mqtt” or use your own and manipulate the Firmware</p><p>&nbsp;</p><p>&nbsp;</p><h3>Software</h3><ol><li>Download the code from <a href="https://github.com/meffken/OSSCR">GitHub</a></li><li>Prepare the Arduino IDE for usage of ESP8266 (lots of tutorials can be found)</li><li>Install the following libraries:<br>a. AccelStepper<br>b. ESP8266Wifi<br>c. Adafruit_MQTT<br>d. Adafruit_MQTT_Client</li><li>Fill in your Wifi SSID with password and your Adafruit iO Login Data</li><li>Flash the software to your ESP8266 Controller</li></ol><p><i>There's a nice github Fork from EinRainerZufall maybe you want to try his attempt of a better software and some kiCAD PCB files: </i><a href="https://github.com/EinRainerZufall/OSSCR"><i>https://github.com/EinRainerZufall/OSSCR</i></a></p><p>&nbsp;</p><p><img src="https://cdn.thingiverse.com/assets/30/af/22/bb/1c/Electronics2.PNG"></p><p><img src="https://cdn.thingiverse.com/assets/10/bf/ec/93/30/Login_Daten2.PNG"></p><p>&nbsp;</p><p>Interchange XXXX to your SSID, password, etc.</p><p>&nbsp;</p>