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Modifying

Modifying XL4015 Buck Converter with an Adjustable Current Limiter

Last Updated on January 8, 2024 by Swagatam 36 Comments

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In this post I have explained a simple way to enhance the the XL4015 DC to DC buck converter with an adjustable current limiter, which seems to be missing in the original module. About XL4015 The XL4015 is a 180 KHz fixed frequency PWM buck (step-down) DC/DC converter, specially designed for operating a 5 V, […]

Filed Under: Power Supply Circuits Tagged With: Adjustable, Buck, Converter, Current, Modifying, XL4015

Modifying a Bluetooth Headset Device

Last Updated on May 26, 2019 by Swagatam 23 Comments

speaker visible 1

In the previous post I explained regarding the internal circuitry of a typical Bluetooth headset, in this post we’ll see how a Bluetooth headset unit can be modified or “hacked” in order to make it work for other personalized applications. In the previous article I have explained how to break open a Bluetooth headset device and […]

Filed Under: Transmitter Circuits Tagged With: Bluetooth, device, Headset, Modifying

Modifying Car Turn Signal Lights, Park-Lights and Side-Marker Lights

Last Updated on April 16, 2025 by Swagatam 45 Comments

modified park lights

In this post I have explained an innovative circuit modification which allows a single common lamp to be used as a parking light, turn signal indicator light, as well as a side marker light on the relevant positions. The idea was requested by Mr. Chris Technical Specifications I have a project that is slightly related […]

Filed Under: Automobile Electronics Tagged With: Lights, Modifying, Park, Side, Signal, Turn

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