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Internet of Things with Raspberry Pi 3

You're reading from   Internet of Things with Raspberry Pi 3 Leverage the power of Raspberry Pi 3 and JavaScript to build exciting IoT projects

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Product type Paperback
Published in Apr 2018
Publisher Packt
ISBN-13 9781788627405
Length 248 pages
Edition 1st Edition
Languages
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Author (1):
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Maneesh Rao Maneesh Rao
Author Profile Icon Maneesh Rao
Maneesh Rao
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Toc

Wiring up the bot

Now let's start making the circuits required to build our Bot.

Wiring L293D with motor

First we interface both the motor of car with motor driver IC L293D as shown in the following diagram:

Figure 8.7

In the previous diagram:

  • OUT1 (pin 3) has been connected to one terminal of LRM
  • OUT2 (pin 6) has been connected to second terminal of LRM
  • OUT3 (pin 11) has been connected to one terminal of RRM
  • OUT4 (pin 14) has been connected to second terminal of RRM
  • VS is connected to positive terminal of 9V DC battery
  • GND is connected to negative terminal of 9V DC battery

The OUT pins provide DC output voltage to drive the motor. The value of voltage output of out pins is decided by the voltage applied to pin VS...

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