AT89s51-52 and AVR USB Downloader
Microcontroller T89s51, AT89S52 and AVR is an idol among students. Well now because of technology trends and laptop PCs already left the LPT...
Rangkaian Pendeteksi Angin
This circuit uses an incandescent lamp to detect airflow (mendeteksi angin). With the filament exposed to air, a constant current source is ...
Stepper Motor Controller using IC 4027
The stepper controller circuit is very interesting, since most lines the step motor controllers are very expensive. The circuit is made of...
Ukuran Box Subwoofer 10"
This subwoofer box was created to match and aid the 1.618 Hi-Vi 3-way tower loudspeakers. The main focus of the HiVi 10" subwoofer was ...
4,8W Class-A MOSFET Amplifier
This is very simple Class-A 2SK1058 MOSFET Amplifier circuit. It is easy to build it, Must use supply volte 24V at high current. It produces...
LM383 - Car Audio Amplifier Circuit
Circuit schematic shows the circuitry for a Class B amplifier with 8 Watt output, based on the LM383 chip. This amplifier circuit suited fo...
PIC Data Logger with Delta-Sigma Converter
The aim of the project is to build a lab-grade data logger with PIC18F45K20 microcontroller and a 20-bit delta-sigma converter. It's na...
Photovoltaic Solar Battery Regulator and Load Controller
This Solar Battery Regulator project allows solar cell arrays to be connected to either conventional lead-acid, sealed lead-acid, or lithiu...
Rangkaian Power Amplifier Blazer 1000 Watt
This is a audio power amplifier Blazer circuit provides up to 1000Watt . This interesting routes many good bass and treble alive. Importantl...
500 Watt Inverter 12VDC to 220VAC
The circuit of 500 Watt Inverter 12VDC to 220VAC is made using a transistor. central component of this inverter circuit is a configuration o...
12VDC – 220VAC Inverter Using Cmos CD4047
This inverter circuit will convert 12V DC power from battery to 22oV AC as home power replacement. The inverter can be used for small electr...
RANGKAIAN 7805 REGULATOR
7805 REGULATOR IC 7805 REGULATOR Schematic If you'd like to build a little electrical power provide +5 V, the 7805 regulator is a superb...
Light/Dark Switch With Relay
The circuit as shown act as a light detector. Under normal conditions the resistance of the LDR is high, keeping pin 2 low. When light falls...
Refrigerator Door Alarm Circuit Using LDR
The alarm circuit enclosed into a small box is placed in the refrigerator near the lamp. With the door closed the interior of the refrigerat...
Rangkaian 11-90 hz Subwoofer Filter Using TL072 Op-Amp
The subwoofer filter circuit allows the addition of subwoofers to an existing full-range system, offering adjustable low-pass filtering wit...
6 Band Graphic Equaliser Circuit Using 741 Op-Amp
This circuit is 6 Band Graphic Equaliser ,you can adjust sound in low ,mid and high which circuit used IC 741 Op-Amp. With this circuit you ...
Rangkaian 400W MOSFET Amplifier
These amplifiers circuit can be used for virtually any application that requires high performance, low use Noise, distortion and excellent s...
Audio Peak Level Indicator By Op-Amp
simple circuit PEAK indicator of foliage of the musical signal. This circuit was designed to provide a valuable test equipment tool for soun...
DC Motor Controller Circuit Using 741 Op-Amp
This DC motor controller circuit using a 741 operational amplifier operating as a voltage follower where its non inverting input is connecte...
Rangkaian 3V FM Transmitter
This 3V FM transmitter is about the simplest and most basic transmitter to build and have a useful transmitting range. It is surprisingly p...
25V Capacitor Bank for OCL Amplifier
Rangkaian 25V Capacitor Bank The circuit diagram below shows how the +25V DC and -25V DC are obtained. In order to provide power supply for...
35W Audio Amplifier Circuit by STK082
Here is a 35W audio amplifier circuit built based on single Amplifier chip STK082. This is a very simple amplifier, very easy to build and p...
Rangkaian Audio Surround Decoder
This circuit has been created to design a decoder circuit that will operate in a module that would produce an audio surround sound. Skema Ra...
Rangkaian Charger aki 6 Volt
Here is the circuit diagram of a low cost charger for 6 volt batteries. This circuit requires a regulated 10V-DC front end capable of suppl...
100Watt Inverter Circuit by IRF44 Mosfet
This inverter circuit will provide a very stable 230V Output Voltage. Frequency of operation is determined by a VR1 and is normally set to 6...
12VDC to 220VAC Inverter Circuit Using IC 555
This is a simple 12VDC to 220AC inverter circuit that can be used produces an AC output at line frequency and 220AC or different voltage ...
Smoke Detector circuit Using LDR
This is a simple Smoke Detector circuit based on a LDR and lamp pair for sensing the fire. It uses a very simple approach to detecting smoke...
Car Parking Sensor circuit Using Infra-Red LED
This circuit can be used for an assist in parking the car near the garage wall backing up Pls. LED D7 illuminates Pls bumper-wall distance i...
UM3561 - Simple Sound Effects Generator Circuit
This is a very simple. The IC UM3561 produces four differen sound effects, the output at Pin 3 being amplified by the transistor 2N2222. A ...
Op-Amp 6-Line Audio Mixer Circuit
As with any audio mixer circuit, a slight loss is always introduced. The final summing amplifier has a gain of 2 or 6dB to overcome this. Th...
Water Activated Alarm Using IC 555 Circuit
This Water Activated Alarm circuit uses a NE555 timer wired as an astable oscillator and powered by the emitter current of the transistor BC...
New Generation of Atmel maXTouch
Atmel has announced the maXTouch E Series of single-chip capacitive touchscreen controllers for touchscreens from 2 to 12 inches. The mXT2...
LM390 Simple 2-Way intercom Circuit
This is a very simple two way intercom circuit based on a LM390 audio amplifier circuit . the intercom circuit is a stand-alone electronic c...
Triangle and Squarewave Generator Using Op-Amp
The circuit shows a simple triangle and squarewave generator using a common LM1558 dual op-amp to produce very low frequencies to about 10 K...
