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Newly Updated Circuit Projects:

Tilt Sensor Switch Circuit

Last Updated on June 14, 2019 by Swagatam 4 Comments

tiltsensorcircuit

The articles presents a simple water triggered switch which is effectively implemented as a super simple tilt sensor circuit. Let’s know more. Easy to Build Circuit Ready availability of cost effective components can be deployed to fabricate tilt sensor alarm in ultra transistor based simple circuit. The domestic version of tilt sensor explained here is […]

Filed Under: Sensors and Detectors Tagged With: Sensor, Switch, Tilt

High Voltage, High Current Transistor TIP150/TIP151/TIP152 Datasheet

Last Updated on May 17, 2026 by Swagatam 11 Comments

TIP152 darlington

The TIP150, TIP151, TIP152 series are high voltage, high current Darlington transistors which can be used for applications involving voltages at mains 120V or 220V levels. The datasheet and other related details can be read in the following article. The typical applications of this transistor could be for high voltage motor control, automotive ignition, inverter […]

Filed Under: Datasheets and Components Tagged With: Current, High, TIP150, TIP151, Transistor, Voltage

Fading an LED ON/OFF – Arduino Basics

Last Updated on June 5, 2026 by Swagatam 2 Comments

simplefade pin9 schem

In this post I have explained a basic Arduino function where I have explained the process of fading an LED ON/OFF through some basic code implementations. Creating a Fading Effect We see how to use an analogwrite() function in order to implement a fading ON/OFF of an LED. The function incorporates PWM pulses across a […]

Filed Under: Arduino Projects, Lamps and Lights Tagged With: Arduino, Basics, Fading, LED, OFF, ON

110V Compact LED Tubelight Circuit

Last Updated on June 1, 2026 by Swagatam 22 Comments

110Vcompactledtubelightcircuit

In this article I have explained a simple single IC LED tube ligt circuit applicable for 110V/120V AC inputs. The circuit uses 30 numbers of 1 watt LEDs, and also includes a voltage and current control features. In my previous post I discussed the IC TL783 which is a 1.25V to 120V variable DC regulator […]

Filed Under: Lamps and Lights Tagged With: 110V, Compact, LED, Tubelight

1.25V to 120V Mains Adjustable Voltage Regulator Circuit Diagram

Last Updated on January 17, 2025 by Swagatam 35 Comments

1.25Vto120Vadjustablevariablepowersupllycircuit

The TL783 is a variable three lead mains voltage regulator chip having an output range of 1.25 V to 125 V and a DMOS output transistor which is able to handle in excess of 700 mA current. High Voltage Specification It is specifically configured internally for working with high-voltage applications where ordinary bipolar voltage regulators […]

Filed Under: Power Supply Circuits Tagged With: 120V, 25V, Adjustable, Mains, Regulator, Voltage

Converting Analogue to Digital (Analogue Read Serial) – Arduino Basics

Last Updated on June 9, 2026 by Swagatam 3 Comments

In this Arduino basics I have explained the code implementation procedure wherein an external analogue signal is fed to the Arduino analogue input and translated or converted into a correspondingly proportionate digital readout. Here we employ a variable resistance in the form of a pot as the analogue signal source. Analog Read Serial In this […]

Filed Under: Arduino Projects Tagged With: Analogue, Arduino, Converting, Digital, Read, Serial

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