Weekend builds, robotics, and smart home projects.
Build a James Bond-style laser tripwire using a KY-008 module, a photoresistor, and an Arduino to secure your snacks.
2026-08-01T00:00:00.000ZBuild a mesmerizing 3D light display using 64 LEDs and multiplexing techniques with an Arduino Uno.
2026-07-26T00:00:00.000ZBuild an autonomous robot car that navigates around obstacles using an ultrasonic sensor and an L298N motor driver.
2026-07-22T00:00:00.000ZBuild a classic electronic LED dice using an Arduino Uno, 7 LEDs, and a pushbutton. A perfect beginner project for learning random functions and arrays!
2026-07-18Build a complete environmental control system for a reptile or plant terrarium. Use relays to automatically toggle heat lamps and misters based on live temperature and humidity data.
2026-07-17Build a completely local or cloud-powered smart speaker using the memory-rich ESP32-S3 and an I2S digital microphone.
2026-07-16Build a sleek, touchscreen smart home dashboard using the Cheap Yellow Display (CYD) and ESP-NOW to control your other ESP32 devices.
2026-07-13Build a sleek, low-power stock ticker that sits on your desk and updates your portfolio prices over Wi-Fi using an ESP32 and an E-Ink display.
2026-07-11Build an optical illusion wand that spells out messages in mid-air using an Arduino Nano and LEDs.
2026-07-10Build your own air quality monitor that measures CO2, TVOC, Temperature, and Humidity using an Arduino, BME680, and MQ-135 sensor.
2026-07-07Build your own IP surveillance camera using an ESP32-CAM module. Stream live video straight to a web browser or integrate it with Home Assistant.
2026-07-04T00:00:00.000ZBuild an internet-connected weather dashboard that fetches live data and displays it on an OLED screen using the new Arduino UNO R4 WiFi.
2026-07-02T00:00:00.000ZKeep things hygienic and hands-free by building a smart trash can that opens its lid automatically when you approach.
2026-07-01Transform an ESP32 into a standalone handheld internet radio that streams live stations over Wi-Fi.
2026-06-28Build your own custom USB MIDI controller using an Arduino Pro Micro. Perfect for beat-making, live mixing, or controlling your favorite software synthesizers.
2026-06-26A modern typographic clock that spells out the time using glowing words. Combines basic fabrication with addressable LEDs and an RTC module for accurate timekeeping.
2026-06-24Build an automated drink mixer that dispenses precise amounts of liquid using 12V peristaltic pumps and an Arduino Uno.
2026-06-19Combine an MPU6050 accelerometer/gyroscope with stepper motors to build a robot that balances itself like a Segway using a custom PID controller.
2026-06-17Upcycle old DVD drives into a working, desktop CNC plotter that can draw custom vector graphics using an Arduino Uno and an L293D Motor Shield.
2026-06-16Build a classic, affordable Magic Mirror using a Raspberry Pi, an old monitor, and a two-way acrylic sheet for under $80.
2026-06-15Build an interactive laser turret using micro servos, a pan-tilt bracket, and an analog joystick to learn 2-axis control.
2026-06-06Build an automated security lock for a door, cabinet, or secret box that only opens when you swipe an authorized RFID card or key fob.
2026-06-20Build an automated pet feeder using an Arduino, a DS3231 RTC module, and an MG996R servo motor to keep your furry friends fed on time.
2026-05-29Build your own Pomodoro productivity timer using an Arduino, an OLED display or 4-digit 7-segment display, and a piezo buzzer.
2026-05-27Build an incredibly precise digital level with an OLED display and an audible buzzer alarm using the MPU-6050 accelerometer and gyroscope.
2026-05-24T00:00:00.000ZBuild a portable GPS tracker that records your location, altitude, and speed onto a Micro SD card for viewing in Google Earth.
2026-05-22Build a sleek, minimalist digital and analog desk clock using a 24-LED NeoPixel ring, an Arduino Nano, and an RTC module.
2026-05-18Save your houseplants! Build an automatic irrigation system that senses soil moisture and turns on a water pump automatically.
2026-05-15Build a highly practical real-time digital desktop weather station using an Arduino, a DHT11 sensor, and a 16x2 I2C LCD.
2026-05-11Build a sweeping radar screen using an Arduino, a servo motor, an HC-SR04 ultrasonic sensor, and Processing to map out objects in your environment.
2026-05-20Maximize solar panel efficiency by building an automated solar tracker. We compare a smart Arduino-based method to a simple analog Op-Amp circuit.
2026-05-18Recreate the classic 1980s memory game using an Arduino, LEDs, and tactile buttons.
2026-05-09A fun DIY electronics project.
2026-05-09A fun DIY electronics project.
2026-05-07A fun DIY electronics project.
2026-05-04The perfect beginner electronics project. Learn how a circuit works by taping an LED directly to a coin cell battery.
2026-05-01