TDA1516 is Class B power amp in 13-pin SIL package. It is good for many audio jobs. It has safety features like short circuit, overheat and reverse polarity protection. In BTL mode it gives 24W to 4 ohm speaker. This Designing a 24W Power Amplifier Circuit using IC TDA1516 is great for car audio and […]
Automobile Circuits
Measuring RPM with a Tachometer Circuit
Tachometer is tool to check how fast motor shaft or disk spin. Speed is shown in RPM (revolutions per minute). This article for Measuring RPM with a Tachometer Circuit teaches us how simple tachometer circuit made, how it work and how to build it. Tachometer are used in many places like industry, car and lab […]
Smart Headlight Automation Circuit using IC 555
Smart Headlight Automation Circuit using IC 555 turns ON the car light by itself when dark. It uses LDR to check light outside and 555 IC decide when light turns ON. This circuit saves power, make car light work at right time and help driver be safe at night. Circuit Working: Parts List: Component Quantity […]
Motorcycle LED Turn Signal Indicator Circuit
In this post for Motorcycle LED Turn Signal Indicator Circuit the LED flashes with chasing effect, instead of old bulb type. IC 555 works like oscillator and gives flashing signal. Circuit Working: Parts List: Category Description Quantity Resistors 390Ω 1/4 watt 5 10k 1/4 watt 5 4.7k 1/4 watt 3 Capacitors Electrolytic 100μF 25V 2 […]
Capacitive Discharge Ignition (CDI) Circuit
Capacitive Discharge Ignition (CDI) Circuit is like small engine lighter. It keeps power like balloon and then release fast boom! Make strong spark to burn fuel. This type of circuit are used in bike, cutter and old car. Circuit Working: Parts List: Category Item Quantity Resistors 100Ω 1W 1 56Ω 1W 1 Capacitors PPC 105 […]
Automatic Parking Light Switch Circuit
This special Automatic Parking Light Switch Circuit makes car parking lights turn ON by itself. It look outside to see how bright it is. One light sensor is like LDR thing which check the light outside. If outside it become dark, more dark than set level then circuit turn ON the switch. Then electric connects […]