Hot search:

  • 5V DC Regulated Power Supply with Short Circuit Protection
  • Ultrasonic Distance Detector / Sonar Ranging System
  • 1.2V-25V Variable / Adjustable DC Power Supply using LM338K
  • Simple Electronic Muscular Stimulator
  • 2KM Long Range FM Radio Transmitter

Circuit DiagramCircuit&wiring...

More>>

Audio

Smart Sensitive Electronic Hearing Aid

Smart Sensitive Electronic Hear

This is the circuit diagram of electronic hearing aid featured with sensitive sound detection and energy saving, so this hearing aid will work in the long term w[...]

More>>

Miscellaneous

Simple Electronic Muscular Stimulator

Simple Electronic Muscular Stim

Heres a circuit which stimulates nerves of the part of your body exactly where electrodes are generally attached. It is useful to help remedy headache along with[...]

More>>

Alarm Circuit

Water Level Indicator using 7 Segment LED

Water Level Indicator using 7 S

Here the water-level indicator which use a 7-segment display, to show the water level (low, half and full) in the tank. Moreover, a buzzer is utilized to warn yo[...]

More>>

Lighting Circuit

LED Emergency Light

LED Emergency Light

This is LED emergency light that will turned on automatically when mains supply fails, and turned off when mains power resumes. This circuit produces highly brig[...]

More>>

New technolgy

Uninterruptible Power Supply in an IC

Uninterruptible Power Supply in

Uninterruptible Power Supply in an IC Cymbet Corporation announced the availability of the EnerChip™ CC CBC3105 smart solid state battery. The CBC3105 combines[...]

More>>

Radio Circuit

2KM Long Range FM Radio Transmitter

2KM Long Range FM Radio Transmi

This long-range FM radio transmitter has an additional RF power amplifier stage, after the oscillator stage. The extra RF power amplifier used to strenght up the[...]

More>>

Meter Circuit

Frequency Meter / Frequency Counter 10Hz-60MHz

Frequency Meter / Frequency Cou

Component List: 1x 16x2 LCD Display with Green/Blue Backlight 1x PIC16F628A Pre-programmed MCU 1x PCB 1x 18-DIP IC Socket 1x 4.000MHz Crystal 1x LM7805 5V Voltag[...]

More>>

Oscillator Circuit

50Hz 60Hz Frequency Generator Circuit Using Crystal Oscillator

50Hz 60Hz Frequency Generator C

50 Hz 60 Hz frequency generator circuit using crystal oscillator You can generate 50Hz or 60Hz using this frequency generator. This oscillator can be used as the[...]

More>>

Sensor Circuit

Ultrasonic Distance Detector / Sonar Ranging System

Ultrasonic Distance Detector /

This is the ultrasonic distance detector or sonar ranging system which can be used for general purpose. There are kit version available on the market, but of cou[...]

More>>

Digital Circuit

Digital Tachometer / RPM Meter

Digital Tachometer / RPM Meter

This is the circuit diagram of Digital Tachometer / Digital RPM Meter which can be used for cars or motorcycles with 2 and 4 stroke petrol engines with any numbe[...]

More>>

Home&DIY

Ding-Dong Door Bell

Ding-Dong Door Bell

This ding-dong door bell circuit might become the simplest and cost-effective door bell circuit. The circuit is designed based on single IC 8021-2 which manufact[...]

More>>

Control&Switch Circuit

8 Channel RF Remote Control

8 Channel RF Remote Control

8 Channel RF Remote Control This is an 8 Channel RF Remote Transmitter and Receiver that will allow to remotely control various electronic projects. RF Remote Co[...]

More>>

Auto Circuit

Automatic Windshield Washer Control

Automatic Windshield Washer Con

Automatic Windshield Washer Control Circuit Description Most, if not all, recent cars have an impressive amount of electronics, whether it be ABS brake systems, [...]

More>>

Battery Charger

12V 4A Solar Photovoltaic Battery Charger

12V 4A Solar Photovoltaic Batte

This is the circuit diagram of 12 Volts, 4 Amperes Solar Photovoltaic (PV) battery charger which will be suit to charge a 12V battery or accumulator. The circuit[...]

More>>

Power Converter

12V to +-20V Automotive Power Converter (for audio amplifier)

12V to +-20V Automotive Power C

12V to +-20V Automotive Power Converter (for audio amplifier) The limitation of car supply voltage (12V) forces to convert the voltages to higher in order to pow[...]

More>>

Power Inverter

100 Watt Inverter 12VDC to 220VAC with Mosfet

100 Watt Inverter 12VDC to 220V

This is another 100 watt inverter circuit diagram. Built based on IC CD4047 and Mosfet IRF540, this inverter have ability to supply electronic device -which requ[...]

More>>

Power Supply

5V DC Regulated Power Supply with Short Circuit Protection

5V DC Regulated Power Supply wi

This is the circuit diagram of 5V DC regulated power supply which featured with short circuit protection system. There are 2 kind of output that are regulated 5V[...]

More>>

Basic Circuit

Operational Amplifier (Op-Amp) Basics

Operational Amplifier (Op-Amp)

Operational Amplifier (Op-Amp) Basics Circuit diagram The op-amp is basically a differential amplifier having a large voltage gain, very high input impedance and[...]