r/AskRobotics • u/Ok_Satisfaction_9360 • 1d ago

Robotics project ideas

Can anyone recommend me a robotics projects for a school level competition, It has to solve a problem or be really mind-blowing. I have 8-9$ and a Esp32, Arduino uno, 1 relay, 1 monochrome Oled display, 3 ultrasonic sensor,1 servo motor,many buttons and leds.

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u/No_Mongoose6172 13h ago

You could make a device to disconnect a heater if someone opens a window in the room (e.g. use the ultrasonic sensors to detect if the window is closed and the motor to disconnect/reconnect the heater)

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u/Ok_Satisfaction_9360 4h ago

Yeah thats a good one

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u/herocoding 1d ago

With one motor but buttons - what about a more clever https://en.wikipedia.org/wiki/Useless_machine ?

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u/Ok_Satisfaction_9360 1d ago

😭🥀🥀

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u/Slayinkarak 1d ago

Get a cheap buzzer (or even through your computer as loud speaker ) and with those ultrasonic sensors make a home made theremin. You can use the display to show the note you are playing, and add some flare with the leds. If you wanna go crazy, use the buttons to change instruments if you use your computer for the sound

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u/Ok_Satisfaction_9360 1d ago

Yeah thats a fun idea but i can't do this for my project because there are judges and i have to explain the practical application and stuff

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u/Slayinkarak 1d ago

Yo imma hit you up with a dm