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Single Ended nOOds, 300mm long Flexible LED Filament, Warm White 3V

Last Updated on April 23, 2025 by Swagatam Leave a Comment

So here we are talking about this cool looking thing called Single Ended nOOds, basically it is a type of flexible LED filament which is 300mm long which means around 30 cm, like one standard scale. It glows in warm white color and works nicely with just 3V DC. What is it, actually? This LED […]

Filed Under: Lamps and Lights Tagged With: 300mm, Flexible, Long, nOOds, Single

How to Connect 5V Single Channel Relay Module

Last Updated on February 23, 2025 by Swagatam Leave a Comment

In this post we are talking about this handy little gadget called a 5V single-channel relay module. It is super useful for our microcontroller projects whether we are using Arduino, Raspberry Pi, or even the ESP8266/ESP32. Let us break it down together, what it is, how it works, and how we can connect it. Understanding […]

Filed Under: Timer and Delay Relay Tagged With: Channel, Connect, Module, Relay, Single

Automatic Door Controller Circuit Diagram using a Single Push-Button

Last Updated on January 17, 2025 by Swagatam 17 Comments

door controller circuit

This door controller circuit works in this way: Initially the door is in the closed state. When a push button is pressed, the door begins opening until it reaches the end of the course. When it reaches the end, it automatically reverses its direction and now the door begins closing. It keeps moving until it […]

Filed Under: Motor Controller Tagged With: Automatic, Button, Controller, Door, Push, Single

100 Watt Power Amplifier Circuit Diagram using a Single IC TDA7294

Last Updated on January 17, 2025 by Swagatam 4 Comments

100 watt power amplifier circuit using TDA7294 IC

Building a power hi-fi amplifier with MOS transistors requires the implementation of a relatively large number of components because, at the level of power stages, the connection between the bipolar transistors that make up the input stages and the MOS transistors of the output stages is far from simple. Fortunately, there is an elegant solution […]

Filed Under: Audio and Amplifier Projects Tagged With: 100, Amplifier, Power, Single, TDA7294, Watt

100 to 160 watt Power Amplifier Circuit Diagram using a Single IC OPA541

Last Updated on January 17, 2025 by Swagatam 17 Comments

single chip 100 watt amplifier

For anyone who is searching for an audio amplifier with massive output power in the order of 100 watt to 200 watts, using an absolute minimum parts count, this particular circuit will accomplish it. How the Circuit Works The IC OPA541 from Burr-Brown is a power opamp is specially designed to work from power supplies […]

Filed Under: Audio and Amplifier Projects Tagged With: 100, 160, Amplifier, Power, Single, Watt

Using Single Switch for Fog lamp and DRL Lamp

Last Updated on February 6, 2020 by Swagatam 7 Comments

In this post I have explained an easy method of upgrading your existing car fog lamp switch such that it allows toggling both the fog lamp as well as the DRL lamps alternately, as per the owner’s requirement. The idea was requested by mk karthick. Circuit Objectives Am looking for a circuit which is directly connected […]

Filed Under: Automobile Electronics Tagged With: DRL, Lamp, Single, Switch

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