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Control Lights, Fan, using TV Remote [Full Circuit Diagram]

Last Updated on June 18, 2023 by Swagatam 15 Comments

infrared red remote control using TV remote

In today’s world, the idea of control is strongly connected to the ability to use remote devices. Home automation, known as domotics, allows us to switch ON/OFF various things such as televisions, hi-fi systems, blinds, curtains, garage gates, and even the brightness of lights using a small control unit. The signals for controlling these devices […]

Filed Under: Remote Control Circuits Tagged With: Control, Full, Lights, Remote, TV

Sound Activated Remote Control Circuit

Last Updated on June 8, 2023 by Swagatam Leave a Comment

double sound operated ON OFF remote switch

This sound activated remote control circuit can be used to operate any electrical load ON/OFF, through a double sound command. Thus, the circuit ensures that the load cannot be operated through any random single sound triggers, which makes the circuit very fool proof. Our device will require two shifted sound commands. However, the second sound […]

Filed Under: Remote Control Circuits Tagged With: Activated, Control, Remote, Sound

Wireless DC Motor Speed Control Circuit

Last Updated on August 30, 2021 by Swagatam 10 Comments

block diagram compressed

In this post I will show how to construct a wireless DC motor speed control circuit which can be controlled using any IR based remote controller. The proposed project has two main objectives; the first one is 5 step sequential speed control of a 12V DC motor using IC 555 (PWM) and controlling the PWM […]

Filed Under: Motor Controller Tagged With: Control, DC, Motor, Speed, Wireless

Simple Tone Control Circuits

Last Updated on September 14, 2023 by Swagatam 10 Comments

passive tone control compressed

Tone control circuits are basically filter circuits which are used to filter audio frequency signals so that only the desired range of frequencies are allowed to pass to the amplifier and the loudspeakers. This enables the listener to customize the music output with either a high level of low frequency content through bass boost, or […]

Filed Under: Audio and Amplifier Projects Tagged With: Circuits, Control, Simple, Tone

Inverter Circuit with Feedback Control

Last Updated on May 14, 2021 by Swagatam 217 Comments

inverter circuit with feedback control compressed

In this article I have explained a couple of inverter circuits featuring an automatic feedback control for ensuring that the output does not exceed the normal specified AC output level, and also does not exceed the specified overload conditions. What is Feedback Control in Inverters A feedback control in inverter is generally incorporated to control […]

Filed Under: Inverter Circuits Tagged With: Control, Feedback, Inverter

Touch Volume Control Circuit

Last Updated on October 26, 2021 by Swagatam 7 Comments

touch volume

This touch volume control circuit has two touch pads which enable the user to increase or decrease the volume of an audio amplifier simply by touching the relevant touch pads. The advantages of this solid-state volume control are: very long life due to the absence of any wear and tear, quick and easy finger touch […]

Filed Under: Audio and Amplifier Projects Tagged With: Control, Touch, Volume

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