This is a low cost and highly efficient Simple LED torch light Circuit which allows your battery to live longer, for this we are using a 4049 hex inverter buffer IC.

Check all the NPN transistor circuits here. CIRCUIT DIAGRAM: WORKING of Key-Hole Light Circuit: After connecting the circuit as per the circuit diagram, you can fix the circuit in the key-hole in any ...

The Simple Musical Light circuit presented here is of an electric lamp flasher that flashes with music. It uses ten 60W, 230V AC bulbs.

This simple flashing light circuit is powered with 6 volts/0.5A and has a low current consumption when the light bulb is off. The flashing frequency is set by only one capacitor. Transistor T1 may be ...

Light-dependent switches are used in automatic hand-dryers and flushers in toilets. Here is a simple light operated switch that works in normal light also. You can affix it on the main door of your ...

💡Simple Light Bulb Switch System with Finite State Machine This repository contains a simple light bulb switch system that is designed and simulated using the concept of Finite State Machine written ...

Here, we are designing a simple light activated switch circuit using LDR. It can be used in security applications like when there is darkness on the LDR, it stops lighting. The main principle of this ...

General purpose hobby circuit of a simple light fence security beeper is presented here. This circuit can be used as a door alarm, gate alarm, pathway alarm, etc.