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Showing posts from May, 2011

Running LED with 4017

Running LED with 4017 complete with PCB layout. The series of 8 LED current is the basis for creati… Read this circuit » Running LED with 4017

Make a series letters from the LED

Make a series letters from the LED , Things to consider before making the sign of the LED array, 1… Read this circuit » Make a series letters from the LED

Subwoofer power amplifier IC OPA541BM

Subwoofer power amplifier circuit based on IC OPA541BM very suitable for use in subwoofer speaker… Read this circuit » Subwoofer power amplifier IC OPA541BM

120W amplifier with LM12

This is power amplifier with basic amplifiy on IC LM12. Read this circuit » 120W amplifier with LM12

BTL Stereo Amplifier TDA7052 / 3

This is BTL stereo power amplifier with basic amplifier on IC TDA7052 / TDA7053 Read this circuit » BTL Stereo Amplifier TDA7052 / 3

Condenser Pre Amplifier LM 1458

This is a simple preamplifier circuit for electret condenser microphone. using a LM1458 dual op amp… Read this circuit » Condenser Pre Amplifier LM 1458

Power Supply Variable 1.3V - 12.2V 1A Circuit

Power supply circuit to generate output below were variations between 1.3V DC to 12.2V DC with 1A c… Read this circuit » Power Supply Variable 1.3V - 12.2V 1A Circuit

Toggle switch with Infra Red IR

Toggle switch in this article is a series of toggle switches that are controlled by infrared light.… Read this circuit » Toggle switch with Infra Red IR

Mini Amplifier with 3 Transistor

Mini 3 transistor amplifier is a simple amplifier with 50mW power drawn by 3 transitor. The series… Read this circuit » Mini Amplifier with 3 Transistor

5 Volt Switching Regulator Power Supply

The switching regulator power supply used LM2575-5.0 on this schematic. You can make the stable vol… Read this circuit » 5 Volt Switching Regulator Power Supply

150 watts power amplifier circuit

Amplifier circuit is 150 watts power amplifier circuit is quite simple. This circuit requires only … Read this circuit » 150 watts power amplifier circuit

Altium Designer 10.0 – Free Download

A unified electronic product development solution Altium Designer is the world’s first and only un… Read this circuit » Altium Designer 10.0 – Free Download

Measure your stress level – Tension meter

If you, like so many other people in this day and age, arrive home from work stressed out and with … Read this circuit » Measure your stress level – Tension meter

Smart Tracker - track anything from your child to shoes

The EPE Minder consists of two type- approved transmitter units and a receiver. If either transmitt… Read this circuit » Smart Tracker - track anything from your child to shoes

Power Supply Variable 1.3V - 12.2V 1A Circuit

Power supply circuit to generate output below were variations between 1.3V DC to 12.2V DC with 1A c… Read this circuit » Power Supply Variable 1.3V - 12.2V 1A Circuit

LM4651 and LM4652 170W power amplifier

170 Watt power amplifier is a power amplifier that is built by IC LM4651 and LM4652. Read this circuit » LM4651 and LM4652 170W power amplifier

170W power amplifier LM4651 and LM4652

170 Watt power amplifier is a power amplifier that is built by IC LM4651 and LM4652. Part of this p… Read this circuit » 170W power amplifier LM4651 and LM4652

Tube Power Amplifier 35W Push Pull

Tube Power Amplifier 35W Push Pull is made using a tube and eventually compiled configuration push-… Read this circuit » Tube Power Amplifier 35W Push Pull

Power Supply for tube amplifier

Power supply for EL-34 tube is specially designed for the purposes of power supply at the push-pu… Read this circuit » Power Supply for tube amplifier

Class A headphone amplifier

Class A headphone amplifier Class A headphone amplifier Read this circuit » Class A headphone amplifier

HiFi Headphone amplifier

HiFi Headphone amplifier circuit schematic this is HIFi For you mobile phone headset. HiFi Head… Read this circuit » HiFi Headphone amplifier

TDA1308T Headphone amplifier circuit

TDA1308T Headphone amplifier circuit. Headphone amplifier circuit with IC is very useful and enha… Read this circuit » TDA1308T Headphone amplifier circuit

Headphone amplifier circuit

Headphone amplifier circuit with op amp ic OPA134, 2134, NE5532, 5534. Headphone amplifier cir… Read this circuit » Headphone amplifier circuit

Hi-Fi 25W Power Amplifier (Class-A)

Hi-Fi 25W Power Amplifier (Class-A) Schematics Circuit Click to view larger Read this circuit » Hi-Fi 25W Power Amplifier (Class-A)

1.3V DC to 12.2V DC Regulator Power Supply

Power supply circuit to generate output below were variations between 1.3V DC to 12.2V DC with 1A c… Read this circuit » 1.3V DC to 12.2V DC Regulator Power Supply

Flash Lights with HT2014L

Flash Lights with HT2014L Read this circuit » Flash Lights with HT2014L

Toggle Switch with IR

Toggle switch in this article is a series of toggle switches that are controlled by infrared light.… Read this circuit » Toggle Switch with IR

8 Relay Control Circuit

8 Relay Control Circuit R1-8=4.7 Kohms T1-8= BD139 (R1-8=15 Kohms if T1-8=BD679) RL1-8=6V-24V dc … Read this circuit » 8 Relay Control Circuit

Mosfet Amplifier with power output 400W

See figure below its power amplifier using transistor mosfet as amplifier. Mosfet Amplifier with po… Read this circuit » Mosfet Amplifier with power output 400W

CDI ignition circuit diagram

The CDI ignition circuit produces a spark from an ignition coil by discharging a capacitor across… Read this circuit » CDI ignition circuit diagram

10Mhz to 1 MHz Frequency Converter

10Mhz to 1 MHz Frequency Converter Circuit Read this circuit » 10Mhz to 1 MHz Frequency Converter

Control Relay Circuit with 9 Second

See figure below its Control Relay Circuit Schematics. Read this circuit » Control Relay Circuit with 9 Second

6 to 12 Volt Converter

Below its a converter circuit voltage from 6 Volt to 12 Volt DC. Read this circuit » 6 to 12 Volt Converter

230 - 400 Watt Power Amplifier MOSFET

Amplifier circuit below is a series of amplifiers with the amplifier transistor and mosfet. This am… Read this circuit » 230 - 400 Watt Power Amplifier MOSFET

800W Power Amplifier MOSFET

This Figure is a schematic power amplifier with power 800 Watt and driver and booster using MOSFET.… Read this circuit » 800W Power Amplifier MOSFET

1.3 - 12.2 VDC Variable Power Supply

Power supply circuit to generate output below were variations between 1.3V DC to 12.2V DC with 1A c… Read this circuit » 1.3 - 12.2 VDC Variable Power Supply

System circuit (not) Minimum (Evaluation Board) AT89C2051 and AT89C4051

Maybe we are more familiar with the term Minimum System AT89C2051 circuit, but this time I present … Read this circuit » System circuit (not) Minimum (Evaluation Board) AT89C2051 and AT89C4051

200W power amplifier complete power supply

This 200W power amplifier circuit using IC STK 4050. STK 4050 is a power amplifier module is very p… Read this circuit » 200W power amplifier complete power supply

Simple Inverter with Two Transistors

The series below is a simple inverter circuit that will change the voltage of 12v dc to 220v ac, wi… Read this circuit » Simple Inverter with Two Transistors

Improving Performance Bass Guitar Amplifier

Improving Performance Bass Guitar Amplifier 1. Replace strings: strings are the source of the so… Read this circuit » Improving Performance Bass Guitar Amplifier

Tips for Choosing a quality Power Amplifier

Here are some tips you need to note: Read this circuit » Tips for Choosing a quality Power Amplifier

TDA7000 Single Chip FM Radio

This fm radio series fm radio receiver circuit that uses a single ic TDA. Read this circuit » TDA7000 Single Chip FM Radio

Automatic Battery Charger Circuit

Basically the circuit designed above have a very simple way of working, where the circuit is design… Read this circuit » Automatic Battery Charger Circuit

Transistor As a timer circuit

Basically on all timer or timer circuit utilizing most of the basic characteristics of the capacito… Read this circuit » Transistor As a timer circuit

Trick jumper switches on the mobile phone antenna

Trick jumper switches on the mobile phone antenna this will affect the capability dual-band mobile… Read this circuit » Trick jumper switches on the mobile phone antenna

Reducing Treble tone circuit

Treble reducer circuit above is an example of a simple circuit and is suitable to be used as experi… Read this circuit » Reducing Treble tone circuit

Pulse generator circuit with Logic Gate

Pulse generator circuit above is a pulse generator that uses logic gates. There are so many types a… Read this circuit » Pulse generator circuit with Logic Gate

Basic Principles of the LC resonance circuit

If so far you are still confused how the actual origin of the resonance between the capacitor and t… Read this circuit » Basic Principles of the LC resonance circuit

IR (Infra Red) Sensor with 7-Segment Display

Infrared light has a difference with ordinary light in general. We can see clearly when a light or… Read this circuit » IR (Infra Red) Sensor with 7-Segment Display

Traffic Lights Circuit

The circuit of traffic lights in my opinion is a series of easy-hard-easy to make.  Where we are re… Read this circuit » Traffic Lights Circuit

Police Sirine Circuit with IC 555

The series of police sirens with 555 ic this is a series of sirens that utilizes two IC 555 as a pu… Read this circuit » Police Sirine Circuit with IC 555

Loudspeaker Driver Circuit

The series of loudspeaker drivers are electronic circuits that function to bridge between high-outp… Read this circuit » Loudspeaker Driver Circuit

Emergency Lights Circuit

The series of emergency lights on this one is a series of emergency lighting is quite simple and no… Read this circuit » Emergency Lights Circuit

12VDC to 220V AC 500W Inverter Circuit

Circuit Inverter 500 Watt 12VDC to 220VAC is made using a transistor. The basiccally of the circuit… Read this circuit » 12VDC to 220V AC 500W Inverter Circuit

Multiplexer with CMOS IC 4556

In addition to the family of TTL ICs that support the function of a multiplexer is a family of CMOS… Read this circuit » Multiplexer with CMOS IC 4556