Circuit Diagrams

Water over flow alarm :-

Water level indicator :-

Touch switch with Arduino and TTP223 touch sensor :-

Smart dustbin with ultrasonic sensor :-

Motion activated switch with Arduino :-

Sound reactive lights with Arduino :-

Music reactive Disco Light :-

LM386 audio amplifier :-

Line following robot :-

2.1 Audio amplifier wiring diagram :-

12 Volt automatic charge cutoff circuit :-

Arduino calculator :-

Color changing RGB Leds :-

Automatic night lamp :-

Battery level indicator:-

Temperature and humidity meter with DHT11 sensor :-

GSM booster circuit :-

GSM outdoor antenna :-

LED series light (LED deepam ):-

Fire alarm :-

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DIY Audio Amplifier Using TIP31C Transistor | Simple & Powerful

In this project, I’ll show you how to build a simple and powerful audio amplifier using a TIP31C transistor . This circuit is perfect for small DIY speaker systems and is a great beginner project if you're learning about amplifiers and audio electronics . This amplifier can be used with your phone, MP3 player, or any AUX audio source , and it's made with easily available components . Materials Required TIP31C NPN Power Transistor 1K Ohm Resistors × 2 100µF Capacitor LED (any color) 5-Watt Speaker Heatsink with nut & bolt Wires for connections 3.5mm AUX Audio Cable 6V Power Supply (Battery or Adapter) Circuit Diagram Circuit Assembly Instructions Here’s a step-by-step guide to help you build the amplifier. Refer to the circuit diagram for proper pinout and layout. Fix the TIP31C transistor to the heatsink using a nut and bolt to prevent overheating. Connect the first 1K resistor between Pin 1 (Base) and Pin 2 (Collector) of the TIP31C. Connect the negative pin of the LED ...

Home theater | How to make a sound bar 2.1| Bluetooth | 2.1 Sound system

Hi there in this video I'll be showing how to make a sound bar 2.1 or home theater system using tda2030 Amplifier board Materials required and buy links :- 1) 2.1 amplifier board (tda2030 ic) :- https://amzn.to/2XuRYHq 2) 10w 4ohm Speakers *2 :- https://amzn.to/3kkBpGq 3) 12-0-12 1A Transformer :- https://amzn.to/3krgnGx 4) 20w 4ohm Subwoofer:- https://amzn.to/3zme5N5 5) DC to DC step down converter :- https://amzn.to/3CtCx0V 6) PVC box :- (Local market) 7) 3 pin RCM connector :- https://amzn.to/3ArltrG 8) 5v Audio Bluetooth module :- https://amzn.to/39iku16 9) LED( green) :- https://amzn.to/2XuznLa 10) 1k resistor :- https://amzn.to/2VPepGc 11) Wire, AC mains cord :- https://amzn.to/3lBL7Un 12) RCA connector :- https://amzn.to/3kkBpGq 13) Potentiameters (100k - mono,stereo) :- https://amzn.to/3Ao7C5l 14) Cardboard :- (Local Market) 15) PVC pipe :- (Local Market) 16) plywood :- (Local Market) Circuit diagram:- For better understanding in the wiring ...

How to Make a GSM Signal Booster at Home | DIY Mobile Signal Booster Using LM386 | GSM booster | Mobile signal Booster

Struggling with low mobile signal strength at home? In this tutorial, I’ll show you how to build a GSM signal booster using basic components like the LM386 audio amplifier IC . This project is 100% working , cost-effective, and doesn’t require any complex tools – perfect for electronics enthusiasts! Works for GSM (2G) signals Great beginner electronics project Uses easily available components Materials required and buy links :- LM386 IC :- https://amzn.to/3C5AiR8 2200uf Capacitor :- https://amzn.to/3k7946p 1000uf Capacitor :- https://amzn.to/3tAJ46N 10uf Capacitor :- https://amzn.to/2XgBySs 1k Resistors :- https://amzn.to/3hsH4IQ enameled copper wire :- https://amzn.to/3C8C4RG single core wire :- https://amzn.to/3A82m5X Iron wire :- https://amzn.to/43P1dBs PCB :- https://amzn.to/392r1wy DC Jack :- https://amzn.to/2VEa6O3 LED (red) :- https://amzn.to/3nt8vWF PVC sheet/box (for housing) :- https://amzn.to/4eewdyk Circuit diagram:- Quad antenna Diagram link :- How This GSM Booster...

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