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Simple Boost Converter Circuit Diagrams using Transistors

Last Updated on January 27, 2025 by Swagatam Leave a Comment

boost converter working model

In this post I have explained a few very simple boost converter circuits using only BJTs, or transistors. Let’s learn more. What is a Boost Converter A DC boost converter circuit is designed for stepping-up or boosting a small input voltage levels to a desired higher output voltage level, hence the name “boost” converter. Since […]

Filed Under: Voltage Control and Protection Tagged With: Boost, Converter, Diagrams, Simple, Transistors

Simple Remote Controlled Curtain Open/Close Circuit Diagram

Last Updated on January 17, 2025 by Swagatam 23 Comments

remote controlled curtain open close circuit diagram

In this article I will explain a simple curtain controller circuit designed by me which can be used to control the opening and closing of a curtain through a remote control. Overview Referring to the circuit diagram in your screen, we can see there are just two relays employed for implementing a remote controlled opening […]

Filed Under: Remote Control Circuits Tagged With: Close, Controlled, Curtain, Open, Remote, Simple

Simple Motorcycle Security Alarm Circuit

Last Updated on February 2, 2024 by Swagatam 4 Comments

motorcycle anti theft alarm circuit diagram using tilt switch and TTP223

In this article I have explained a simple motorcycle ant-theft security alarm circuit using a tilt switch and a TTP223 touch switch. The circuit was requested by Mr. Sergei, as given below. Design Request and Specifications I am a motorcyclist and I would like to ask you to design a simple and cheap alarm system […]

Filed Under: Automobile Electronics, Security and Alarm Tagged With: Alarm, Motorcycle, Security, Simple

Simple Ceiling Fan Regulator Circuit

Last Updated on January 1, 2024 by Swagatam 14 Comments

ceiling fan regulator circuit

A simple electronic ceiling fan regulator circuit using a triac and a diac is a common type of circuit which is used to control the speed of a ceiling fan. This circuit basically works using phase control principle, in which the voltage supplied to the fan motor is varied by controlling the firing angle of […]

Filed Under: Motor Controller Tagged With: Ceiling, Regulator, Simple

Simple Vibration Sensor Circuit

Last Updated on November 20, 2023 by Swagatam 2 Comments

simple vibration sensor

As its name suggests, this simple vibration sensor circuit using piezo transducer allows for the detection of vibrations to which its sensor is subjected. Unlike superficial pressure sensors whose resistance varies depending on the force they are subjected to, the transducer used here is only sensitive to variations in pressure exerted on its sensitive face. […]

Filed Under: Sensors and Detectors Tagged With: Sensor, Simple, Vibration

Simple LED Forward Voltage Drop Tester Circuit

Last Updated on May 6, 2023 by Swagatam Leave a Comment

amber LED testing

Semiconductor LEDs (Light Emitting Diodes) produce light when current flows through them. In comparison to conventional lighting sources, LEDs offer a number of benefits, including high energy efficiency, extended longevity, and low thermal output. The forward voltage drop of an LED is one of the important factors that affects how well leds performs. We will […]

Filed Under: Meters and Testers Tagged With: Drop, Forward, LED, Simple, Tester, Voltage

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