SolderHub Projects

Community Builds

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

Board

Difficulty

14 projects (filtered)

OLED Weather Station with BME280 & Arduino Uno

Read temperature, humidity, and barometric pressure from a BME280 sensor over I2C and display them on a 128×64 SSD1306 OLED with custom icons. Includes altitude calculation and pressure trend arrow.

Beginner0 18 min

Uno

4-Digit 7-Segment Counter with TM1637 & Arduino

Drive a TM1637-based 4-digit 7-segment display with Arduino Uno to show a real-time up/down counter, elapsed timer, and scrolling text. Covers library setup, brightness control, and custom segment mapping.

Beginner5 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

Uno

Ultrasonic Parking Sensor with Arduino Uno

Wire an HC-SR04 ultrasonic module to an Arduino Uno R3 and drive a buzzer that beeps faster as obstacles get closer. Ideal first project — no libraries needed, pure digitalRead/tone logic.

Beginner4 14 min

Uno

Arduino RFID Door Lock with Access Log & LCD Display

Build a complete RFID access control system with Arduino, RC522 reader, LCD feedback, solenoid lock, and access logging via Serial. Works for doors, drawers, and cabinets.

Beginner0 10 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

Uno

Automatic Plant Watering System with Arduino & Soil Sensor

Build a self-watering plant system using Arduino Uno, a capacitive soil moisture sensor, a 5V relay, and a mini submersible pump. Includes calibration routine and a moisture-level OLED display.

Beginner3 20 min

ESP8266

Water Level Monitor

A self-hosted water tank monitoring system using an ESP8266 and HS-S37P water depth sensor, serving a live dashboard on your local network.

Beginner8 10 min

Blue Pill

STM32 Distance Measurement System with OLED Display

Measure distance in real time with an HC-SR04 ultrasonic sensor and an STM32 Blue Pill, with live readings shown on an SSD1306 OLED display.

Beginner7 12 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

Mega

Arduino Mega 2560 LED chaser Tutorial for Beginners.

First look at the Arduino Mega 2560: understand why it exists, map out its 54 digital pins and 16 analog channels, set up the IDE, and blink an external LED using a pin you would never have on an Uno.

Beginner551 20 min

ESP8266

Control an LED Over Wi-Fi Using NodeMCU ESP8266

Build a Wi-Fi LED controller with the NodeMCU ESP8266: the board's D-pin vs GPIO numbering explained, a verified blink test, then a web server sketch that lets any phone or laptop on your network switch an LED from a browser.

Beginner568 25 min

Uno

Getting Started with Arduino Uno R3 — LED Blink Guide

Learn Arduino from scratch — board overview, first blink program, wiring basics, and your first live simulation.

Beginner529 15 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