Community project

Void Setup Void Loop

ESP32
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Last updated October 16, 2026

This project demonstrates the fundamental structure of an ESP32 sketch with an empty setup() and loop() function. It serves as a starting point for understanding how ESP32 firmware is organized and executed.

Following this guide, makers will learn the basic framework needed to build ESP32 projects. The guide includes a wiring diagram for programming the board, a complete parts list, and step-by-step assembly instructions to get the ESP32 ready for custom firmware development.

Wiring diagram

Deploy the firmware

schematik_esp32.inoOpen in Schematik
void setup(){} void loop(){}

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