The post explains a simple LM317 IC based RGB 3 watt LED color mixer circuit, which can be used for demonstrating the color mixing effects of red, blue, green colors […]
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How to Make a GHz Microwave Radar Security Alarm Circuit
The post explains a GHz microwave radar security alarm circuit which is designed to detect an intruder within the critical zone only while it’s moving, static objects produce no effect […]
How to Modify SMPS for Adjustable Current and Voltage Output
This article discusses a method through which any ready made SMPS can be converted into a variable current smps circuit using a few external jumper links. In one of the […]
Car Blown Brake Light Indicator Circuit to Detect Broken Bulb Filament Tail Light
The post explains a simple fused or blown car brake light indicator circuit using a single IC 555 and a few other passive components. The idea was requested by Mr. […]
Remote Controlled Ceiling Fan Regulator Circuit
The article discusses a simple infrared controlled fan regulator or dimmer circuit using ordinary parts such as a 4017 IC and a 555 IC. Circuit Operation Referring to the shown […]
Toy Motor Circuit with Timed Reverse Forward Action
The post explains a simple programmed reverse forward motor circuit which is used for accomplishing a toy application. The idea was requested by Mr. Matthew. Technical Specifications I am a […]