Automation
Auto Rain Shield for Clothes
A rain sensor and servo motor move your drying clothes under shelter the second it starts raining — and back out once it clears.
MCUArduino Nano
SensorRain sensor
ActuatorServo motor
Saw it on the channel? Here's the whole kit.
Every build below is a real KitKraft YouTube upload — same parts, same wiring, same code. Pick yours and it ships with the guide.
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Category key
Monitoring
Automation
Security
Utility
Monitoring
Water Level Indicator
An ultrasonic sensor reads the distance to the water surface and the OLED shows the level live — the tank-monitor build behind our most-watched shorts.
MCUArduino Nano
SensorUltrasonic HC-SR04
Display0.96" OLED
Automation
Smart Dustbin
Wave your hand near the lid and it opens by itself — no touching, no smell on your fingers. A weekend build for the kitchen.
MCUArduino Nano
SensorUltrasonic HC-SR04
ActuatorMicro servo
Monitoring
Soil Moisture Sensor + OLED
Push the probe into the pot and the screen tells you, in plain numbers, exactly when your plant actually needs water.
MCUArduino Nano
SensorSoil moisture probe
Display0.96" OLED
Automation
Smart Staircase Lighting
IR sensors at the top and bottom of the stairs light your way as you approach and switch off once you've passed — an energy-saving automation build.
MCUArduino Nano
SensorIR proximity x2
OutputWhite LEDs
Utility
Voting Machine
Tap a copper-tape pad for your candidate, the OLED tallies the votes live — a proper electronic voting demo for a school project.
MCUArduino Nano
InputCopper tape pads
Display0.96" OLED
Monitoring
Ultrasonic SONAR with Servo
An ultrasonic sensor on a sweeping servo scans the room like a radar dish — a genuine sound-navigation-and-ranging build.
MCUArduino Nano
SensorUltrasonic HC-SR04
ActuatorSG90 servo (180°)