IR Remote Brush Robot

Automatic control has always been the holy grail in the field of robotics. In this tutorial we will use a simple circuit to manually turn the Vibrating Brush Robot on or off with an infrared remote. Let us build the IR Remote Brush Robot from the basics right now!

Requirements:

  • Breadboard
  • IC 555
  • TSOP32138 Infrared Receiver
  • Mini motor + hot glue stick
  • Transistor 2N8050
  • Brush
  • Soldering iron
  • Hot glue
  • 18650 batteries + holder

Circuit diagram:

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Picture 1

  1. Picture 1 is the easy version. To complete it, you only need to connect the vibration motor, switch and batteries
  2. .If you want to control it with a remote, you need to do a little more work. First, get a TSOP32138 transistor that reads IR remote signal, because it only reads 38 kHz infrared signal, other infrared signals will be ignored.
  3. Before receiving any IR signals, this transistor will keep emitting high electric potential, so we will need a second IC to reverse the signal, in order to start the vibration motor. We can use a 555 timer IC and set it to monostable, so that the UC only moves when we hit the IR remote.
  4. Lastly, if the signal from the IC is too weak, the motor won’t start. We can start an NPN transistor first, to gain enough current to start the motor.

Circuit diagram:

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Picture 2

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Final version

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