Weekend builds, robotics, and smart home projects.
Build an AI-powered, motion-activated bird feeder camera using an ESP32-CAM and a PIR sensor to capture wildlife without standing in the bushes for hours.
2026-09-21T00:00:00.000ZBuild a retro 64x64 RGB LED matrix display that pulls live weather, crypto prices, and pixel art from the internet using an ESP32.
2026-09-15T00:00:00.000ZRun retro Game Boy games on a $5 ESP32 microcontroller and stream the video over Wi-Fi directly to your web browser.
2026-09-07T00:00:00.000ZKeep your house from burning down by monitoring your woodstove temperature with an ESP32 and a high-temp thermocouple.
2026-09-07T00:00:00.000ZBuild an instrument you don't even have to touch to play. Use cheap 5V laser modules and photoresistors to create a MIDI-capable laser harp.
2026-09-06T00:00:00.000ZTired of hitting CTRL+SHIFT+ALT+Z every five seconds? Build your own custom mechanical macro keypad with an Arduino Pro Micro and save your fingers.
2026-09-02T00:00:00.000ZBuild a physical UI for your Spotify playlists! Swipe an RFID card over an ESP32 to instantly play your favorite albums on any Spotify Connect device.
2026-08-26T00:00:00.000ZBuild a beautiful, low-power desktop weather station that fetches real-time API data and reads local temperature/humidity using a BME280 and an E-Paper display.
2026-08-21T00:00:00.000ZBuild the ultimate pointless gadget. The Arduino Useless Machine exists solely to turn itself off.
2026-08-20T00:00:00.000ZUnleash your inner mad scientist by building an 18-servo, six-legged Arduino Hexapod using the PCA9685 servo driver.
2026-08-15T00:00:00.000ZTurn your door into a sci-fi prop. Learn how to use the ESP32-CAM to recognize your face and automatically trigger a heavy-duty 12V solenoid lock.
2026-08-11T00:00:00.000ZStop clicking your mouse to lower the landing gear. Build a custom USB HID flight simulator switch panel using an Arduino Leonardo and satisfy your inner pilot.
2026-08-08T00:00:00.000ZStop accidentally drowning your houseplants. Build an ESP32-powered smart plant monitor with a live web dashboard using capacitive soil moisture sensors.
2026-08-02T00:00:00.000ZBuild a James Bond-style laser tripwire using a KY-008 module, a photoresistor, and an Arduino to secure your snacks.
2026-08-01T00:00:00.000ZUpgrade your basic ESP32-CAM stream into a true smart security camera by integrating an HC-SR501 PIR motion sensor for event-based triggers.
2026-07-28T00:00:00.000ZBuild 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