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Tapabrata Mukherjee
electronic hobbyist
 · CalcuttaIndia
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  1. This type of 433mhz transmitter is not good for a project like this. Because it is a bit noisy. Use Xbee or Zigbee module. You can get an idea from here " https://blog.arduino.cc/2012/12/23/xbee-controlled-4wd-wireless-robot/ ".

  2. BO motors have low torque. Use single shaft dc motors instead. Use side shaft for more torque.

  3. Use lipo 3s instead of 9v battries for the robot. ( 9v battery can be used for powering the transmitter section with a voltage regulator )

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Gaurav Parab
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Instead of 433 transmitter…use Nrf 24L01…which is a transceiver and it compilable with arduino.

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