SolderHub Projects

Community Builds

Browse builds with schematics, firmware, and live Wokwi simulations.

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23 projects (filtered)

ESP32 Smart Home Automation with Relay & Telegram Bot Control

Control your home appliances from anywhere using ESP32, a 4-channel relay module, and Telegram Bot. No cloud subscription needed — just your phone.

Advanced0 20 min

ESP32

Battery-Powered ESP32 Weather Display with Deep Sleep

Fetch current weather from OpenWeatherMap API and display it on a 2.9" e-paper screen. ESP32 WROOM enters deep sleep between updates for 30+ day battery life on a single 18650 cell.

Advanced2 40 min

ESP32

ESP32-CAM Face Detection Security Camera with Motion Alerts

Turn a $15 ESP32-CAM into a smart security camera with face detection, live video streaming, and motion alerts — all running on-device with no cloud needed.

Intermediate0 14 min

ESP32

ESP32-CAM Timelapse Recorder — Interval Photos to SD Card

Program ESP32-CAM to capture JPEG frames at a configurable interval and save them to a microSD card. Includes PSRAM configuration, file naming with frame counter, and a Python assembly script to create the final MP4 timelapse.

Intermediate0 16 min

ESP32

ESP32-CAM Photo Capture & microSD Storage

Capture JPEG photos with the ESP32-CAM and save them directly to a microSD card, with sequential file naming so nothing gets overwritten.

beginner0 9 min

ESP32

ESP32-CAM + Blynk Motion Snapshot Dashboard

Build an ESP32-CAM project with Blynk device status, control and event notifications, while serving camera snapshots through a separate documented HTTP endpoint. Understand dashboard limitations, network security and how to avoid exposing an open camera feed.

Intermediate0 15 min

ESP32

ESP32-CAM + Blynk Remote Security System

Build a supervised ESP32-CAM motion-notification prototype using a PIR sensor, Blynk events and a separately secured snapshot endpoint. Includes cooldown, camera/network failure handling and realistic security limitations.

Intermediate0 16 min

ESP32

Arduino Weather Station with DHT22, BMP280 & OLED Display

Build a compact weather station with Arduino that shows temperature, humidity, pressure, and altitude on a 0.96" OLED display — no internet required.

Beginner0 10 min

ESP32

ESP32 Bluetooth RC Car with L298N Motor Driver

Build a 2WD Bluetooth-controlled RC car using ESP32 WROOM-32 and L298N dual H-bridge. Control forward, reverse, left, right, and speed from any Bluetooth terminal app on Android or iOS.

Intermediate3 28 min

ESP32

ESP32-CAM PIR Motion Detection Camera

Wake the ESP32-CAM from deep sleep with a PIR sensor, snap a photo the instant motion is detected, and save it to microSD -- built for battery-powered use.

beginner0 10 min

ESP32

ESP32-CAM Face Detection Door Lock with Live Stream

Use the ESP32-CAM AI Thinker board's built-in face detection to unlock a servo motor door lock. Streams live MJPEG video to a browser while logging access events over Serial.

Advanced0 38 min

ESP32

ESP32 Home Automation Node with MQTT & Home Assistant

Turn an ESP32 WROOM into a smart home node that publishes sensor data and receives relay commands via MQTT. Supports Home Assistant auto-discovery, OTA firmware updates, and reconnect logic.

Advanced4 35 min

ESP32

ESP32-CAM Sensor Monitoring with Blynk: Readings and Status

Create an ESP32-CAM monitoring project that reports compatible sensor readings and device status to Blynk. Includes GPIO conflict planning, data validation, update pacing and clear online/stale indicators.

Intermediate1 15 min

ESP32

ESP32-CAM Smart Doorbell

Turn an ESP32-CAM into a video doorbell that snaps a photo and pushes a notification to your phone the moment someone presses the button.

intermediate0 12 min

ESP32

ESP32-CAM Fingerprint Security System

Pair the ESP32-CAM with an R307/AS608 fingerprint sensor to verify identity and log a photo of every access attempt.

intermediate0 13 min

ESP32

ESP32 Plant Watering System with Soil Moisture Sensor & MQTT

Build an ESP32 automatic plant watering system that monitors soil moisture, triggers a pump, and reports data to Home Assistant via MQTT.

Beginner1 9 min

ESP32

ESP32 Ultrasonic Radar with Servo Sweep and Live Web Dashboard

Build a sweeping ultrasonic radar with an ESP32, SG90 servo, and HC-SR04 sensor, and watch live blips on an HTML5 canvas dashboard served straight from the chip — no app, no cloud.

Intermediate2 22 min

ESP32

ESP32 Dual-Node Wireless Sensor System — IR + MQ135 Air Quality Monitor

A hands-on intro to ESP32-to-ESP32 communication, analog sensor reading, and serving a web UI straight from a microcontroller through wifi. No use of cloud, MQTT or Broker.

Intermediate220 10 min

ESP32

ESP-NOW on ESP32: Send Sensor Data Wirelessly Without Wi-Fi or a Router

This project demonstrates ESP-NOW, a peer‑to‑peer wireless protocol built into the ESP32, enabling direct communication between two boards without a Wi‑Fi router or internet

Intermediate174 20 min

ESP32

ESP32 Thief Detection System with IR Sensor, LCD & Buzzer.

Learn how to build a smart security alarm system using an ESP32, an IR sensor, an I2C LCD, and a buzzer. Includes complete wiring diagrams and C++ code.

Beginner242 10 min

ESP32

Building Tiny AI Robotic Heads Using ESP32-S3 🤖

Recently, I worked on an experimental embedded AI robotics project using Mini ESP32-S3 boards, OLED displays, speakers, and 3D printed robotic heads.

Intermediate423 30 min

ESP32

I Built a Retro Gaming Console Using ESP32 and OLED Display 🎮

Build your own handheld mini console with ESP32, play classic games like Pacman & Tetris and learn embedded development in a fun way.

Advanced678 30 min

ESP32

ESP32 (WROOM) Wi-Fi LED Control Web Server Tutorial for Beginners

Complete introduction to the ESP32 WROOM-32 development board: understand the http GET POST request dual-core architecture, GPIO restrictions, 3.3V logic, board manager setup in Arduino IDE, and blink an external LED correctly.

Beginner332 20 min