ESP32: Blink the LED (ESP32 + Arduino series) - YouTube
KS0413 keyestudio ESP32 Core Board - Keyestudio Wiki
ESP32 PART-4. Program Led Berkedip (Blink) - ELEKTRONIKA HENDRY
Getting started with ESP32 and ESP-IDF || LED Blinking
Amazon.com: HiLetgo ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA for Arduino IDE : Electronics
Amazon.com: DIYmall ESP32 DEVKIT V1 ESP32-WROOM-32 Development Board + Assembled RGB LED Status Indicator Addressable PCB Shield for Arduino IOT BME280 DIY Project : Appliances
Push button with ESP32 - GPIO pins as digital input