Thursday

Battery Health Checker Circuit

The article discusses a simple battery health checker circuit which uses ordinary components for enabling the user to get an instant reading of the battery efficiency or regarding its effective discharge rate. The idea was requested by Mr. Shrishail.

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Bathroom Lamp Timer with Buzzer Circuit

The simple bathroom lamp timer circuit features a delay OFF timer which switches OFF the triggered lamp after a set predetermined time delay, additionally the circuit also includes a delay ON timer circuit which is appropriately set such that a warning tone is generated a few seconds before the lamp is about to shut off. The idea was requested by Mr. Enrico.

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Laser Alarm Circuit for Protecting Field Crops against Animals

The post explains a simple laser alarm circuit which can be installed in farms and fields for detecting all possible intrusions, either by a human or an animal and alarming this to the owner, and ensuring an effective protection to the crops against such intrusions. The idea was required by Mr. Mohammed and Mr. Daniel.

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