All things relevant to building mini EE projects

Make This Handy Zener Meter For Faster Testing

The circuit presented here is compact and handy for measuring the voltage rating of a Zener diode instantly. To check a Zener diode, it is connected across a DC power supply with a suitable resistor in series, then the voltage drop across Zener diode is measured using a multimeter. The whole setup, including selection of…

Conveyor Jam Detector For Industries

Advertisement The conveyor jam detector circuit presented here is designed to activate an alarm device or programmable logic controller (PLC) when the speed of the conveyor system falls below the set minimum speed, alerting the workers the possibility of jamming of the conveyor system. Conveyor jam detector is an indispensable sensor device found in most…

Make A Simple Capacitive Touch Keyboard With Arduino

Advertisement Certain shortcuts on your keyboard such as copy, paste or print can definitely simplify your work. And what if you can create these different keyboard operations on your own? Have you ever thought about this? This simple DIY project explains how you can make a portable device that performs different keyboard operations like copy…

Solar Day Lamp With Battery Backup

This solar day lamp with battery backup can be used in offices, homes, shops, warehouses, temples, etc. It offers a cost-effective way of harnessing solar energy. It is simple to manufacture and has a long life. The basic solar day lamp (SDL) consists of only two parts: photovoltaic (PV) panels and LED arrays. Due to…

Conveyor Jam Detector For Industries

The conveyor jam detector circuit presented here is designed to activate an alarm device or programmable logic controller (PLC) when the speed of the conveyor system falls below the set minimum speed, alerting the workers the possibility of jamming of the conveyor system. Conveyor jam detector is an indispensable sensor device found in most conveyor…