Arduino KY-002 Vibration & Shock Sensor (HW-513) — Wiring & Code
The KY-002 is a vibration switch module found in 37-in-1 and similar Arduino sensor kits (Keyes, ELEGOO, Sunfounder, and others) — also sold individually as the HW-513 and SW-18015P.…
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Fresh DIY electronics tutorials, projects and circuit guides.
Arduino KY-004 Button Module — Wiring, Pinout & Code
The KY-004 is a tactile push-button module found in 37-in-1 and similar Arduino sensor kits (Keyes, ELEGOO, Sunfounder, and others). It’s a simple key switch module — press…
10 Essential ICs For Electronics Beginners With Practical Projects
Whether you are just starting out in electronics or building your first project, a handful of integrated circuits (ICs) appear in almost everything —…
How to Interface an HC-SR04 Ultrasonic Sensor and 0.91″ OLED Display with Arduino Nano
Integrating distance sensing with visual output is a fundamental building block for robotics, obstacle-avoidance systems, and real-time monitoring devices. In this guide, you will…
Connecting Multiple Moisture sensor to Arduino Board with Code | Soil moisture sensor with Arduino with code
Parts Needed Code Explanation Interface moisture sensor with an Arduino board.First, the code defines a constant sensor with a value of A0. A0 is…
PCB Design Workflow: From Breadboard to Manufactured Board
Breadboards are wonderful liars: they hide parasitic capacitance, forgive loose contacts, and fall apart in your backpack. The day you want five copies of…