Sound Generator for Alarm
This is sound generator circuit.You can use this circuit for your alarm circuits.Here I have used common IC 4011.This circuit gives about 10W through a 8 ohm speaker.This circuit can be control (on and...
View ArticleSimple Ni cad charger Circuit Diagram
Simple Ni-cad charger Circuit Diagram uses constant current LEDs to adjust charging current. It makes use of LEDs that pass a constant current of about 15 mA for an applied voltage range of 2-18 V....
View ArticleSimple Audio Clipper Circuit Diagram
Simple Audio Clipper Circuit Diagram for use with headphones, this circuit sets the audio clipping level via a 5-KOhmhm pot. This type of noise clipper works best for pulse-type noise of low duty...
View ArticleWiringlight Switch Ceiling Light Project
Telephone Socket Wiring How To Do It.Thread Wiring Clipsal Saturn Light Switches.Mesa Whole House Wiring Services Provided By Amadeus Electric.Multi Room Wiring.Russell Residence 10007 Meadow Road Sw...
View ArticleChevrolet Monte Carlo Wiring Diagram Electrical Schematics1997
Chevrolet Pickup C1500 Wiring Diagram And Electrical Schematics 1997.Toyota Tacoma Electrical Wiring Diagram Circuit Schematic.Chevrolet Monte Carlo Wiring Diagram And Electrical Schematics 1997.Ford...
View Article20W Surround audio amplifier with SI 1020G
Have you been use the IC above? if those who have not, IC above is used or applied to the audio power amplifier. IC processing is quite good for use on amplifier home, or room. IC used is SI1020G who...
View ArticleHeat Pump Manual Manuals Free Heat Pump Instructions
October 1st 2011 Heat Pump Chalapati Rao 0 Comments.Heat Pump Manual Manuals And Free Heat Pump Instructions.Heat Pump Wiring Code Heat Pump Wiring Code Geotherma Heat Pumps.Heat Lennox Pump Wiring...
View ArticleUM66T MELODY IC
The PCB contains just 2 components:1. 10uF electrolytic capacitorMake sure you insert this component with the positive lead (the long wire) facing right, with the strip on the body facing left. Push...
View ArticleLatest British Police Car Siren circuit Schematic With explanation
This is the sound generator which will simulate British police car siren. The circuit is built using 2 pieces of timer IC 555 to generate sound frequency.How the circuit work:The 555 on the right is...
View ArticleUSB Converter
Does this sound familiar: you buy a small piece of equipment, such as a programming & debugging interface for a microcontroller, and you have to use a clunky AC wall adapter to supply it with...
View ArticleRefrigerator Door Alarm
Do your kids leave the door to the refrigerator open? Or does your celery reach out to keep the door from closing properly when you turn your back? Heres a simple circuit that beeps whenever the door...
View ArticleMetal Detector Circuit
Circuit DiagramDescription The circuit described here is that of a metal detector. The opera- tion of the circuit is based on superheterodyning principle which is commonly used in superhet receivers....
View ArticleDS1669 Digital Control Volume
This DS1669 circuit could be used for replacing your manual volume control. DS1669 are digital rheostats or potentiometers and provide 64 possible uniform tap points over the resistive range and are...
View Article12V 4 AA Cell Differential Temperature Charger
This project includes a number of improvements over my older Temperature Controlled NICD Charger circuit. This circuit runs on 12VDC, allowing it to be used in a car or from a 12V solar power system....
View ArticleIt is the information of manufacturing cell phone jammers
It is the information of manufacturing cell phone jammers What is a "soft solution"? The "soft solution" is referred to as "software unlock". What is "unlocked"? Unlock unlock solution is the network...
View Article50W Electronic Amplifier Rise
This electronic amplifier project is an IC amplifier module from ST Microelectronics, the TDA7294. It is intended for use as a top quality audio class AB amplifier in hi-fi applications. Its low noise...
View ArticleBuild a 13KV High voltage Power supply Circuit Diagram
This 13KV High voltage Power supply Circuit Diagram has an inverter around Q1 that supplies 150-V pulses to the converter of SCR1 and C2. The output of ?2 is a 4.5-kV pulse that is multiplied by the...
View ArticleTouch Free Timer Switch
This type of infrared proximity circuit is widely used as an electric switch where physical contact is not desired for hygiene purpose. For example, we commonly see use of infrared proximity sensors on...
View ArticleBuild a 5 Zone alarm Circuit Diagram
This is a complete alarm system with 5 independent zonessuitable for a small office or home environment. It uses just 3CM IC`s and features a timed entry / exit zone, 4 immediatezones and a panic...
View ArticleMemory Save on Power down Circuit Diagram
Memory Save on Power down Circuit Diagram. The auxiliary output powers the memory, while the main output powers the system and is connected to the memory store pin. When power goes down, the main...
View ArticleBurglar Alarm With Timed Shutoff Circuit Diagram
When SI (sensor) is closed, power is applied to U2, a dual timer. After a time determined by C2, CI is energized after a predetermined time determined by the value of C5, pin 9 of U2 becomes low,...
View Article12 V Glow Plug Converter
Most small internal-combustion engines commonly used in the model-building world use glow plugs for starting. Unfortunately, glow plugs have an operating voltage of 1.5 V, while fuel pumps, starter...
View ArticleElectronic Code Lock
Nowadays, electronic code locks are usually based on microcontrollers. However, if you like your electronics discrete, you will enjoy the battery-operated circuit shown here. Since the circuit...
View ArticleElectric Guitar Violin Preamplifier
Magnetic pick-ups in musical instruments have a relatively high output impedance. This can result in a reduction in treble response when connected via a long cable run or to equipment with a low input...
View ArticleSolar Charger Circuit Project Using Transistors
A very simple solar charger circuit project can be designed using few external electronic parts . This simple solar charger circuit is capable of handling charge currents of up to 1A. Alternate...
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