Sensor-Based Projects

Password Door Lock Circuit

Build a password-protected door lock circuit. Step-by-step DIY guide, components, working principle, and assembly instructions for secure access systems.

Proximity Sensor Circuit Using Only 1 Transistor Circuit

Learn how to build a simple proximity sensor using only 1 transistor. Step-by-step DIY circuit, components, working principle, and testing instructions included.

How to Make Automatic Water Pump Controller at Home

Learn how to make an automatic water pump controller at home. Step-by-step DIY guide with circuit diagram, components, working principle, and safety tips.

How to Make Clap Switch ON OFF Clap Switch

Learn how to make a clap switch ON/OFF at home. Step-by-step DIY guide with circuit diagram, components, working principle, and applications.