What is a microcontroller?, A device only used to store data, A compact integrated circuit that contains a CPU, memory, and peripherals, A type of battery, A passive electronic component, Which of the following features is a major advantage of the ESP32?, No wireless connectivity, Built-in Wi-Fi and Bluetooth, Requires external CPU to run code, Only works with analog signals, What does GPIO stand for?, General Purpose Input/Output, General Power In Operation, Global Processing I/O, Graphical Programming Interface Output, PWM is mainly used to:, Increase CPU speed, Control analog-like signals using digital output, Store data in flash memory, Measure humidity levels, An H-bridge is commonly used to:, Convert AC to DC, Control the direction of a DC motor, Increase Wi-Fi signal strength, Store electrical energy, What is the typical operating voltage of the ESP32 GPIO pins?, 1.8 V, 3.3 V, 5 V, 12 V, Which type of sensor measures distance using ultrasonic waves?, DHT11, LDR, HC-SR04, MPU6050, Which communication protocol is commonly used by many ESP32 peripherals like OLED displays and sensors?, VGA, PC, HDMI, FM radio, Which language is MOST commonly used to program the ESP32 in the Arduino IDE?, Java, C/C++, Ruby, SQL, A digital input pin on the ESP32 is used to detect:, Any voltage between 0 and 3.3V, Only two states: HIGH or LOW, Only negative voltages, The exact amperage of a circuit.

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