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FM transmitter circuit using C9018 transistor

Updated - November 18, 2018 by Arnab

C9018 miniature FM transmitter circuit

FM transmitter circuit is a quite fun project for electronics beginners, so here's a circuit with the C9018 transistor. In a previous post I've wrote about a stable and simple […]

Filed Under: FM/AM, Oscillator Tagged With: fm transmitter circuit, fm transmitter circuit diagram

Stable miniature FM transmitter circuit

Updated - August 3, 2017 by Arnab

FM transmitter circuit projects are indeed quite popular among electronics hobbyists/students. But the frustrating part is most transmitters refuses to work at all, and secondly the internet is full of crappy […]

Filed Under: FM/AM, Oscillator Tagged With: fm receiver, fm receiver circuit, fm transmitter circuit, fm transmitter circuit diagram

Mobile charger circuit diagram, 100-220V AC

Updated - April 6, 2018 by Arnab

220v mobile charger circuit

The market is flooded with cheap mobile charger circuit. Some of you may be looking for this type of charger circuit diagram and components list. These mobile chargers uses only […]

Filed Under: Battery, Basic Electronics, Gadgets Tagged With: charger circuit, mobile charger circuit

TDA2003 amplifier circuit diagram 10 watt

Updated - August 20, 2017 by Arnab

TDA2003 amplifier circuit build

TDA2003 is a robust automotive grade audio amplifier IC. It supports up to 28 volts of operating voltage and can withstand input voltage fluctuation of 40 volts. A TDA2003 amplifier […]

Filed Under: Amplifier Tagged With: amplifier, tda2003, tda2003 amplifier circuit

TA2003P datasheet, pinout, features and circuit details

Updated - August 3, 2017 by Arnab

ta2003p

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. […]

Filed Under: FM/AM, Datasheet, Reference Design Tagged With: fm receiver, fm receiver circuit, reference design

Reference Design - High power adjustable LED driver with MAX16835

Updated - December 22, 2016 by Arnab

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 […]

Filed Under: Reference Design, LED Driver Tagged With: LED, led-driver, maxim, reference design

MOSFET based delay timer ciruit

Updated - December 19, 2016 by Arnab

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 […]

Filed Under: Basic Electronics Tagged With: mosfet, relay, timer, timer circuit

220V LED circuit - AC mains powered LED driver

Updated - November 18, 2018 by Arnab

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 […]

Filed Under: LED Driver Tagged With: 220V led circuit, 220v led driver, 5Watt LED, led-driver

20 watt push-pull CFL inverter circuit

Updated - March 2, 2018 by Arnab

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 […]

Filed Under: CFL/Tube, Inverter Tagged With: CFL, cfl inverter circuit, inverter, inverter circuit

Simple Piezo buzzer circuit with UM66T IC

Updated - September 22, 2017 by Arnab

Piezo buzzer Circuit build with BT66T

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 […]

Filed Under: Basic Electronics Tagged With: buzzer, piezo buzzer circuit, piezo buzzer circuit diagram, piezoelectric

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