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Posts by Arnab

About Arnab
ta2003p
Posted inFM/AM Datasheet Reference Design

TA2003P datasheet, pinout, features and circuit details

The TA2003P is a highly integrated AM/FM radio receiver IC, very close to CD2003GP. You can find TA2003P datasheet, pinout and other details here.   Features Uses fewer external components.…
Posted by Arnab December 22, 2016
Reference Design – High power adjustable LED driver with MAX16835
Posted inReference Design LED Driver

Reference Design – High power adjustable LED driver with MAX16835

MAX16835 is a current regulated high power LED driver. It can take a wide range of input voltage, also supports dimming via a PWM signal. This IC is designed and…
Posted by Arnab December 21, 2016
MOSFET based delay timer ciruit
Posted inBasic Electronics

MOSFET based delay timer ciruit

Sometime we may need to turn off or turn on a device after some time. That's when timer circuits are useful. Here we're going to talk about simple MOSFET timer…
Posted by Arnab December 19, 2016
220V LED circuit – AC mains powered LED driver
Posted inLED Driver

220V LED circuit – AC mains powered LED driver

Efficient LED driving is tricky, you've to take care of both LED voltage and current. Here is a transformer less 220V LED circuit, not very efficient, but very simple and…
Posted by Arnab December 15, 2016
20 watt push-pull CFL inverter circuit
Posted inCFL/Tube Inverter

20 watt push-pull CFL inverter circuit

Here a simple but efficient CFL inverter circuit, capable of diving a CFL, PL or tube light up to 20 watt. You can use this circuit to power up mobile chargers…
Posted by Arnab December 14, 2016
Piezo buzzer Circuit build with BT66T
Posted inBasic Electronics

Simple Piezo buzzer circuit with UM66T IC

A piezo buzzer circuit is quite popular to make  feedback or alert sounds. You can find them in wristwatches, cars, medical devices, sirens, panic alarms and like so. In a previous…
Posted by Arnab December 13, 2016
Simplest SMPS power supply ever – efficient and powerful – from an old CFL
Posted inDIY CFL/Tube

Simplest SMPS power supply ever – efficient and powerful – from an old CFL

New to power electronics ? Here is your first SMPS project. But a SMPS from an old/dead CFL ? Yes, it's possible, with a little modification, of course the CFL's…
Posted by Arnab December 11, 2016
DIY 3.3V USB breakout board, LVTTL and LVCMOS compatible
Posted inUSB Computer DIY

DIY 3.3V USB breakout board, LVTTL and LVCMOS compatible

Nowdays 3.3V logic level is gaining popularity, almost every every new microcontrollers are working on 3.3 volt. The worst part is some of them are not tolerant to input voltage above…
Posted by Arnab December 9, 2016
Simple magnetic buzzer circuit with UM66 IC
Posted inBasic Electronics

Simple magnetic buzzer circuit with UM66 IC

Electromagnetic buzzers are another type of popular buzzers, they're operated at relatively lower voltage and are of smaller size than piezo buzzers. A magnetic buzzer circuit is usually found in…
Posted by Arnab December 1, 2016
Simple Piezo Buzzer circuit diagram and project details
Posted inBasic Electronics DIY

Simple Piezo Buzzer circuit diagram and project details

Piezo buzzers are one of the most common buzzers available around, they got their name from the piezoelectric material used as the active element. These buzzers are usually driven at…
Posted by Arnab November 30, 2016

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