Arduino-ESP32

Everything tagged “Arduino-ESP32” across notes, resources, and Mochi logs.

An ESP32-S3 development board beside a BME280 sensor and MacBook Pro displaying a local sensor dashboard on a realistic electronics workbench

NotesFirmwareSeptember 5, 2026

ESP32 Beginner Guide – P5: Wi-Fi and Web Server

Connect ESP32 to Wi-Fi, find its IP address, and build a local web server that displays BME280 temperature, humidity, and pressure in a browser.

ESP32 Beginner Guide Wi-Fi Web Server IoT Arduino-ESP32

An ESP32-S3 development board and smartphone testing Bluetooth Low Energy beside a MacBook Pro on a realistic electronics workbench

NotesFirmwareSeptember 5, 2026

ESP32 Beginner Guide – P6: Bluetooth Low Energy

Learn ESP32 BLE, GATT services, and characteristics by sending BME280 readings to a phone with Read and Notify.

ESP32 Beginner Guide Bluetooth Low Energy BLE GATT Arduino-ESP32

A complete ESP32-S3 room comfort monitor prototype with BME280, pushbutton, status LED, and a local dashboard on a MacBook Pro

NotesFirmwareSeptember 5, 2026

ESP32 Beginner Guide – P7: Build a Complete ESP32 Project

Finish the series with a Room Comfort Monitor: ESP32 reads a BME280, controls a warning LED and serves a local Wi-Fi dashboard.

ESP32 Beginner Guide ESP32 Project BME280 Web Server Arduino-ESP32

An ESP32-S3 development board, BME280 breakout, and sensor modules arranged beside a MacBook Pro on a practical electronics workbench

NotesFirmwareSeptember 4, 2026

ESP32 Beginner Guide – P4: Connecting Sensors

Connect digital, analog, and I2C sensors to ESP32; read temperature, humidity, and pressure from a BME280 and diagnose devices that are not detected.

ESP32 Beginner Guide Sensors I2C BME280 Arduino-ESP32

An ESP32-S3 development board beside a MacBook Pro displaying a pinout reference on a practical electronics workbench

NotesFirmwareSeptember 3, 2026

ESP32 Beginner Guide – P3: Pinout and GPIO

Read an ESP32 pinout, choose GPIO for input and output, use pull-ups, wire an LED and button, and avoid boot, flash, PSRAM, and unsafe 5 V signals.

ESP32 Beginner Guide ESP32 Pinout GPIO Arduino-ESP32 Electronics

An ESP32-S3 development board connected correctly to a MacBook Pro on a practical electronics workbench while preparing the first firmware upload

NotesFirmwareSeptember 2, 2026

ESP32 Beginner Guide – P2: Setup and Upload Your First Sketch

Install Arduino IDE and Arduino-ESP32, select the correct board and port, upload your first sketch, and fix Failed to connect errors on ESP32, ESP32-C3, and ESP32-S3.

ESP32 Beginner Guide Arduino IDE Arduino-ESP32 Firmware Troubleshooting