#Select only Text option from the code block section. #Use the exteme right sub-window of the tinkercad.com project and copy and paste the program of tinkercad_ultrasonic.ino file. #Check the ...

Tinkercad Circuits – Free online Arduino simulator Arduino UNO – The microcontroller used in all projects LCD, Keypad, Piezo, LDR, PIR sensor, Ultrasonic, LM35, Servo motor, Photodiode, Neopixel strip ...

so tinkercad has circuit designand arduno now, a real arduino is $20, IDE is free, fritzing is free and does all the exact same layout stuff locally, you save your files and keep them forever.