SolderHub Projects

Community Builds

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

Board

Difficulty

9 projects (filtered)

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

Uno

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

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

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

Uno

HC‑SR04 Ultrasound Distance Measurement with Arduino – Parking Alert (LCD & Buzzer)

Build an Arduino Uno parking-alert gadget with an HC-SR04 ultrasonic sensor, I2C LCD and buzzer. Learn how echo timing becomes distance, correct for temperature, filter noisy readings and drive the buzzer without blocking the code.

Intermediate457 30 min

Uno

Gesture Controlled Robotic arm

Use hand gesture to control a robotic arm

Intermediate175 7 min

Uno

Build a Weather Station & Clock with Arduino Uno (DHT11 / DHT22 + RTC Module (DS3231 ) + LCD 16x2)

Step‑by‑step tutorial to create a temperature, humidity, and clock display using Arduino Uno, DHT11 or DHT22 sensor, DS3231 RTC, and I2C LCD.

Intermediate490 20 min

Uno

Getting Started with Arduino Uno R3 — LED Blink Guide

Learn Arduino from scratch: the Uno R3 board explained, how to choose a resistor for an LED, a wired and tested Blink sketch, a non-blocking millis() version and a PWM fade, plus a troubleshooting table for first-time uploads.

Beginner529 25 min