Simple Oscillator / Pipe Locator

Sometimes the need arises to construct a really simple oscillator. This could hardly be simpler than the circuit shown here, which uses just...

Running LED with 4017

Running LED with 4017 complete with PCB layout. The series of 8 LED current is the basis for creating an 8-point LED. Slightly different fro...

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) Use LED nodes. 2) Paint the top of the P...

Subwoofer power amplifier IC OPA541BM

Subwoofer power amplifier circuit based on IC OPA541BM very suitable for use in subwoofer speakers, these amplifiers possess excellence in s...

120W amplifier with LM12

This is power amplifier with basic amplifiy on IC LM12.

BTL Stereo Amplifier TDA7052 / 3

This is BTL stereo power amplifier with basic amplifier on IC TDA7052 / TDA7053

Mini Amplifier with 3 Transistor

Mini 3 transistor amplifier is a simple amplifier with 50mW power drawn by 3 transitor. The series of three mini-amplifier transistors can ...

Toggle switch with Infra Red IR

Toggle switch in this article is a series of toggle switches that are controlled by infrared light. The series toggle switch is made from a ...

TDA2005 2 X 20 Watt Power Amplifier

This time, there is a series of audio amplifer 20W as well, but using IC TDA 2005 as a series of his base amplifier. The series of 2x20 Watt...

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 current. In addition, the power supply cir...

Condenser Pre Amplifier LM 1458

This is a simple preamplifier circuit for electret condenser microphone. using a LM1458 dual op amp IC. The circuit takes the audio signal r...

150 watts power amplifier circuit

Amplifier circuit is 150 watts power amplifier circuit is quite simple. This circuit requires only 5 pieces of transistors as the main compo...

5 Volt Switching Regulator Power Supply

The switching regulator power supply used LM2575-5.0 on this schematic. You can make the stable voltage by using the 3 terminal regulator li...

6 to 12 Volt Power Supply Inverter

This inverter circuit can provide up to 800mA of 12V power from a 6V supply. For example, you could run 12V car accessories in a 6V (British...

Altium Designer 10.0 – Free Download

A unified electronic product development solution Altium Designer is the world’s first and only unified electronic product development syste...

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 the problems of the day still lingering,t...

Smart Tracker - track anything from your child to shoes

The EPE Minder consists of two type- approved transmitter units and a receiver. If either transmitter becomes separated from the receiver, a...

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 current. In addition, the power supply cir...

LM4651 and LM4652 170W power amplifier

170 Watt power amplifier is a power amplifier that is built by IC LM4651 and LM4652. Part of this power amplifier driver using the LM4651 IC...

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 power amplifier driver using the LM4651 IC...

Tube Power Amplifier 35W Push Pull

Tube Power Amplifier 35W Push Pull is made using a tube and eventually compiled configuration push-pull amplifier. Tube Power Amplifier 35W ...

Rangkaian Power Supply for tube amplifier

Power supply for EL-34 tube is specially designed for the purposes of power supply at the push-pull amplifier with EL-34 tube as in article ...

Turbo Bass Circuit

Turbo Bass Circuit Turbo Bass Circuit

Class A headphone amplifier

Class A headphone amplifier Class A headphone amplifier

HiFi Headphone amplifier

HiFi Headphone amplifier HiFi Headphone amplifier

TDA1308T Headphone amplifier circuit

TDA1308T Headphone amplifier circuit  TDA1308T Headphone amplifier circuit

Headphone amplifier circuit

Headphone amplifier circuit with op amp ic OPA134, 2134, NE5532, 5534. Headphone amplifier circuit with op amp

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

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

Transceiver Homebrew QRP SSB 80M Band

Radio communication transceiver is a radio transmitter at the same time the plane doubles as a radio receiver used for communication purpose...

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 current. In addition, the power supply cir...

Flash Lights with HT2014L

Flash Lights with HT2014L This scheme is almost the same with a flash light with LM3909. In this scheme only requires IC HT2014L as a leade...

Toggle Switch with IR

Toggle switch in this article is a series of toggle switches that are controlled by infrared light. The series toggle switch is made from a ...

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 Relay D1-8=1N4148  

TDA7294 150 W Power Amplifier

This is power amplifier based on IC TDA7294 with output power 150W with 8 ohm impedance, source voltage + - 25V. for circuit see image below...

Mosfet Amplifier with power output 400W

See figure below its power amplifier using transistor mosfet as amplifier. Mosfet Amplifier with power output 400W

230Volt LED Circuit

This is a circuit that is used to menhidupkan LED with voltage 230Volt, 230Volt it so that the voltage must be lowered in accordance with th...

Skema Rangkaian Pengapian Motor - CDI

The CDI ignition circuit produces a spark from an ignition coil by discharging a capacitor across the primary of the coil. A 2uF capacitor i...

10Mhz to 1 MHz Frequency Converter

10Mhz to 1 MHz Frequency Converter Circuit Part ListIC1 7404 = 1 IC2 7490A = 1 R 1 K = 2 R 3.3 K = 1 C Trim Polymer 39 pF = 1 C Electrophore...

Control Relay Circuit with 9 Second

See figure below its Control Relay Circuit Schematics.

6 to 12 Volt Converter

Below its a converter circuit voltage from 6 Volt to 12 Volt DC. 6 Volt to 12 Volt DC Part List : R1, R4 2 .2K 1/4W Resistor R2, R3 4.7K 1/4...

230 - 400 Watt Power Amplifier MOSFET

Amplifier circuit below is a series of amplifiers with the amplifier transistor and mosfet. This amplifier output power ranging from 230W up...

800W Power Amplifier MOSFET

This Figure is a schematic power amplifier with power 800 Watt and driver and booster using MOSFET. Audio Power Amplifier with power output ...

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 current. In addition, the power supply cir...

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 a circuit which is not only a series of M...

200W power amplifier complete power supply

This 200W power amplifier circuit using IC STK 4050. STK 4050 is a power amplifier module is very powerful, because the IC is already a modu...

Simple Inverter with Two Transistors

The series below is a simple inverter circuit that will change the voltage of 12v dc to 220v ac, with use drive transistor 32 as its tip. I...