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Design Sketching Class
Circuit Board Design Class
Mold Making & Casting Class
I'm having the same problem too. I've used both Firefox v50.0.2 on Windows 10. I also tried it on MS Edge (couldn't find version number) and Internet Explorer 11.
ARDUINO_ POLAR V PLOTTER
LEDs and Lighting Class
Arduino Nano: Temperature and Humidity DHT11/DHT21/DHT22 Sensor Module with Visuino
"DIY" Room Temperature & Humidity Module using Arduino uno