They offer several free "Getting Started" e-books and cheat sheets for ESP32.
void loop() digitalWrite(ledPin, HIGH); delay(1000); digitalWrite(ledPin, LOW); delay(1000); hands-on esp32 with arduino ide pdf free download
: Using the Analog-to-Digital Converter (ADC) for sensors and Pulse Width Modulation (PWM) for motor control or LED dimming. They offer several free "Getting Started" e-books and