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Alex B.
2025-07-05 23:12:02 -04:00
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ESP-IDF_Robot/tutorial/docs/source/overview.rst
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@@ -27,8 +27,8 @@ Based on this constraint, the RC car can only move front, back, and turn/rotate
.. admonition:: What is PWM? .. admonition:: What is PWM?
**PWM** (Pulse Width Modulation) is a technique used to simulate analog voltage levels using digital signals. It works by rapidly switching a **PWM** (Pulse Width Modulation) is a technique used to simulate analog voltage levels using ddiscrete igital signals. It works by rapidly switching a
digital pin between HIGH (on) and LOW (off) states at a fixed frequency (often, 5 kHz). The duty cycle—the percentage of time the signal is HIGH in one digital pin between HIGH (on) and LOW (off) states at a fixed frequency (often, at base frequency of 5 kHz). The duty cycle—the percentage of time the signal is HIGH in one
cycle—determines the effective voltage delivered to a device. cycle—determines the effective voltage delivered to a device.
A pair of PWM channels are required for defining rotation speed and direction of the DC motors on each side. A pair of PWM channels are required for defining rotation speed and direction of the DC motors on each side.