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pwm

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Alex B.
2025-07-02 22:23:05 -04:00
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@@ -28,7 +28,7 @@ In particular, **GPIO6** and **GPIO5** provide PWM to the left- and right- side
Similarly, **GPIO4** and **GPIO7** provide PWM to the left- and right- side DC motors to rotate in a **counter-clockwise** direction. Similarly, **GPIO4** and **GPIO7** provide PWM to the left- and right- side DC motors to rotate in a **counter-clockwise** direction.
Changing PWM on each channel determines the speed and direction of the RC car. Changing PWM on each channel determines the speed and direction of the RC car.
The following images illustrate various PWM duty cycles registered by oscilloscope. The following images illustrate various PWM duty cycles registered by oscilloscope (duty cycles 0%, 50% and 95%, resp.).
.. image:: _static/ESP-IDF_Robot_PWM_Duty-0.bmp .. image:: _static/ESP-IDF_Robot_PWM_Duty-0.bmp

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@@ -53,7 +53,7 @@ Based on this constraint, the RC car can only move front, back, and turn/rotate
In particular, <strong>GPIO6</strong> and <strong>GPIO5</strong> provide PWM to the left- and right- side DC motors to rotate in a <strong>clockwise</strong> direction. In particular, <strong>GPIO6</strong> and <strong>GPIO5</strong> provide PWM to the left- and right- side DC motors to rotate in a <strong>clockwise</strong> direction.
Similarly, <strong>GPIO4</strong> and <strong>GPIO7</strong> provide PWM to the left- and right- side DC motors to rotate in a <strong>counter-clockwise</strong> direction. Similarly, <strong>GPIO4</strong> and <strong>GPIO7</strong> provide PWM to the left- and right- side DC motors to rotate in a <strong>counter-clockwise</strong> direction.
Changing PWM on each channel determines the speed and direction of the RC car.</p> Changing PWM on each channel determines the speed and direction of the RC car.</p>
<p>The following images illustrate various PWM duty cycles registered by oscilloscope.</p> <p>The following images illustrate various PWM duty cycles registered by oscilloscope (duty cycles 0%, 50% and 95%, resp.).</p>
<img alt="_images/ESP-IDF_Robot_PWM_Duty-0.bmp" src="_images/ESP-IDF_Robot_PWM_Duty-0.bmp" /> <img alt="_images/ESP-IDF_Robot_PWM_Duty-0.bmp" src="_images/ESP-IDF_Robot_PWM_Duty-0.bmp" />
<img alt="_images/ESP-IDF_Robot_PWM_Duty-50.bmp" src="_images/ESP-IDF_Robot_PWM_Duty-50.bmp" /> <img alt="_images/ESP-IDF_Robot_PWM_Duty-50.bmp" src="_images/ESP-IDF_Robot_PWM_Duty-50.bmp" />
<img alt="_images/ESP-IDF_Robot_PWM_Duty-95.bmp" src="_images/ESP-IDF_Robot_PWM_Duty-95.bmp" /> <img alt="_images/ESP-IDF_Robot_PWM_Duty-95.bmp" src="_images/ESP-IDF_Robot_PWM_Duty-95.bmp" />

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@@ -244,7 +244,7 @@ Similarly,
Changing PWM on each channel determines the speed and direction of the RC car. Changing PWM on each channel determines the speed and direction of the RC car.
</p> </p>
<p> <p>
The following images illustrate various PWM duty cycles registered by oscilloscope. The following images illustrate various PWM duty cycles registered by oscilloscope (duty cycles 0%, 50% and 95%, resp.).
</p> </p>
<img alt="_images/ESP-IDF_Robot_PWM_Duty-0.bmp" src="_images/ESP-IDF_Robot_PWM_Duty-0.bmp"/> <img alt="_images/ESP-IDF_Robot_PWM_Duty-0.bmp" src="_images/ESP-IDF_Robot_PWM_Duty-0.bmp"/>
<img alt="_images/ESP-IDF_Robot_PWM_Duty-50.bmp" src="_images/ESP-IDF_Robot_PWM_Duty-50.bmp"/> <img alt="_images/ESP-IDF_Robot_PWM_Duty-50.bmp" src="_images/ESP-IDF_Robot_PWM_Duty-50.bmp"/>