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## Illuminating DRL and Turn Lights with Single Common Lamp

The article discusses a simple circuit for enabling the turn signal lamp of any car to carry out a two-way function of DRL lights as well as well the stipulated turn lights. The idea was requested by Mr. Artem.

## Solar Panel/Battery/Mains Changeover Relay Circuit

The post discusses a simple relay changeover circuit for managing a sustained power to the connected battery via a solar panel, and a mains operated SMPS power supply. The idea was requested by Ms Rina.

## Smart Emergency Lamp Circuit with Maximum Features

In this post we learn about a simple yet sophisticated automatic emergency light circuit which can be considered "smart" due to the involved advanced features and an inexpensive design. The idea was requested by Mr. Lokesh.

## Frequency to Voltage Converter Circuit

The previous post explained a simple single chip voltage to frequency converter circuit using the IC VFC32, here we learn how the same IC could be used for achieving an opposite frequency to voltage converter circuit application.

## Voltage to Frequency Converter Circuit

The IC VFC32 is an advanced voltage to frequency converter device from BURR-BROWN specifically designed to produce an extremely proportional frequency response to the fed input voltage for a given voltage to frequency converter circuit application.

## Calculating Inductors in Buck Boost Converters

In this post we try to understand the method of dimensioning or calculating inductors in buck boost SMPS circuits in order to ensure an optimal performance from these devices.

## How Boost Converters Work

A boost converter (also called step-up converter) is a DC to DC converter circuit which is designed to convert an input DC voltage into an output DC voltage with a level that may be much higher than the input voltage level.

## Make this Electric Scooter/Rickshaw Circuit

The article presents a simple electric scooter circuit design which can be also modified to make an electric auto-rickshaw. The idea was requested by Mr. Steve.

## High Wattage Brushless Motor Controller Circuit

This versatile Brushless (BLDC) motor controller IC is featured to control any desired high voltage, high current, hall effect sensor equipped 3-phase BLDC motor with extreme accuracy and safety. Let's learn the details in depth.

## Calculating Voltage, Current in a Buck Inductor

In this post we'll try to understand the various parameters required for designing a correct buck converter inductor, such that the required output is able to achieve maximum efficiency.

## How Buck Converters Work

The article below presents a comprehensive know how regarding how buck converters work.

## Heater Controller Circuit Using Push-Buttons

Controlling a heavy electrical appliance with push buttons can be extremely convenient since it allows a solid state approach for operating the parameter both ways up and down by mere push of the relevant buttons. Here we discuss a heat controller circuit using a set of push buttons and PWMs.

## Quadcopter Remote Control Circuit without MCU

Although a quadcopter remote control circuits can be very easily procured from the market or from any online store, an avid electronic hobbyist is never allowed to learn how actually these function and whether or not these can be built at home?

## Sensorless BLDC Motor Driver Circuit Part 1

In this post we investigate what's a BLDC motor and subsequently we learn regarding the design of a sensorless BLDC motor driver circuit.

## Sensorless BLDC Motor Driver Circuit Part 2

In the previous article we learned the working of sensorless BLDC motors, and also investigated the circuit diagram of a typical sensorless BLDC motor driver circuit module. In this article we'll carry forward the discussion and learn the pinout details of the main driver chip DRV10963 employed in the circuit.

## RGB LED Scrolling Alphabet Circuit

This circuit is designed to generate a sequencing pattern over a group of Red, Green, Blue, or RGB LEDs producing a beautiful scrolling transition effect from red, to green, to blue and back to red.

## Building a Quadcopter - Basics Explained

A quadcopter is perhaps the simplest flying machine requiring minimum amount of aerodynamic accuracy and complications, and therefore it's no surprise, it could gain an immense popularity among the various hobbyists who could successfully build this....a machine that they could actually fly and control at their own will.

## 12V LED Backpack Power Supply Circuit

In this article we learn to make a simple 12v LED backpack power supply circuit for powering a 36watt LED lamp, which includes appropriately wired integrated sockets for enabling the attachment of external devices such as a regulated battery charger, ammeter, voltmeter etc. The idea was requested by Mr.  Kevin Bates