LED Torch using NSI45090JDT4G Constant Current Regulator

A very simple LED torch can be designed using the NSI45090JDT4G adjustable constant current regulator (CCR) designed by ON Semiconductor ,using extreme few external components. NSI45090JDT4G device is designed to provide a cost effective solution for regulating current in LEDs. This Constant current regulator is based on patent-pending Self-Biased Transistor (SBT) technology and regulates current...

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Sub Woofer and Controller Rise

Sub woofers are popular, with home theater being of the driving forces. However, a nice sub adds considerably to normal hi-fi program material, & so if it is predictable & has nice response characteristics. all of sub woofers use a immense speaker driver in a immense box, with tuning vents & all the difficulties (& vagaries) that conventional operation entails. By conventional,...

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Simple Proximity Detector Alarm Circuit

This is a simple proximity switches with IC 4049th The IC4049 is a bipolar monolithic integrated circuit for use in metal-detection system / proximity sensing applications IC4049 includes an oscillator constituted by an external parallel resonant tank circuit and a feedback resistor connected 2-5 The internal oscillator operates near the resonant frequency of the tank is brought circuit.As a metal...

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Ethernet Crossover Cable Wiring

Connectlink Wireless Ethernet Wiring Diagram.Tech Info Lan Wiring And Pinouts.Ethernet Crossover Cable Wiring.The Difference Between Straight Through Crossover And Rollover.Ethernet Wiring.Tech Info Lan Wiring And Pinouts.Cat 5 Ethernet Cable Standards Pin Out Assignments.Cat6 568 A Wiring Diagram.Qvlweb Ethernet Wiring And Loop Back.Diy 9 Ethernet Wiring Diagr...

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Wireless mains voltage tester

Description.This circuit can be used to test whether mains voltage is present or not without having electric contact with mains line. The CMOS IC CD4033 is the heart of this circuit. The CD4033 consists of a 5 stage decade Johnson counter and an output decoder for converting the Johnson code to a 7 segment decoded output for driving 7 segment LED display. A 10cm long insulated copper wire connected...

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Escape and Emergency Lighting

In accordance with the Fire Precautions Act 1971 and the Health and Safety at Work Act 1974, BS EN 1838 : 1999 Code of practice for the emergency lighting of premises must followed with minimum standards to achieve the safety target. It is important matter for safety precaution when emergency happen such as fire,explosive,electrical disaster or etc.This system provide the solution for escape to the...

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Install Electrical Wiringdoityourself

The Basics Of Household Wiring Dvd Electrical Online.Types Of Electrical Wiring Hometips.Gfci Outlet Wiring Diagram Pdf 55kb.The Most Basic Principles Of The Wiring In Your Home Are Simple The.How To Install Electrical Wiring Doityourself Com.Alternative Wiring Diagram Pump On Timer Solarattic S Solar.Electrical Circuit Diagram Related Posts Wiring And Connectors.Here Is A Basic Wiring...

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Build a Diode Cmos Stabilizer Circuit Diagram

The simple diode network can stabilize the voltage supplied to CMOS circuitry from a battery. D1 and D2 must have a combined forward-voltage drop of about 1.5 V. And D3 is an LED with a forward-voltage drop of about 1.7 V. The table shows the network`s output voltage as the battery`s voltage declines. Diode Cmos Stabilizer Circuit Diag...

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LED light flasher

This is a good and simple circuit to flash one or more LED lights.  The circuit uses a NE 555 small IC. This IC is very common and easy to obtain from any electronic components shop.  As you can see in the circuit diagram we have used 10uF capacitor to control the flash speed of the LEDs. If you want to increase the speed simply put a higher value of a capacitor in place of 10uF.Also you...

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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 rom the condenser microphone and amplifier it, so you can use the microphone as the input to some device which wouldn’t normally accept microphone level signals .Schematic Circuit of Microphone ElectretCondenser Pre AmplifierThe circuit requires a 6-9 volt supply....

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High voltage Power supply Circuit Diagram

High voltage Power supply Circuit Diagram. A 6 V battery can provide 100-150 Vdc center-tapped at a high internal impedance (not dangerous though it can inflict an unpleasant jolt). A 6.3 V transformer is connected in reverse with a transistor used in a Hartley oscillator configuration. The frequency of operation may be controlled by varying the value of the 10 ohm resistor.The 10 µ¥ capacitor...

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12 V battery charger with PUT

A short-circuit proof battery charger will provide an average charging current of about 8A to a 12V lead-acid storage battery. The Charger circuit has an additional advantage, it will not function nor will it be damaged by improperly connecting the battery to the circuit. With 220V at the input , the circuit comences to function when the battery is properly attached. The battery...

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8 to 18 volts TDA2005 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 Audio Power Amplifier using TDA2005 can you see in the picture below.Technical Data:Performance of TDA2005M: (for this circuit); At 4.14 V supply voltage: 2 x 20 watts (stereo) into 4 Ohms.Distortion: Approx. 0.2% at 4 Watts into 4 ohm load.Frequency Range: Approx....

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Latch Switch 2

This circuit uses a Silcon Controlled Rectifier (SCR) as a latch switch. Once enabled it can only be turned off by pressing S2 or power is removed from the circuit.Latch Switch 2 Circuit DiagramCircuit Notes:The load is represented by the 1k resistor and orange LED, although the C106D can handle much larger loads. Once the On switch is pressed, the SCR receives a voltage on its gate terminal and goes...

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Simple 500W 12V to 220V Inverter

This is a 500W DC-to-AC inverter circuit diagram which produces an AC output at line frequency and voltage. 12VDC to 220V 50Hz inverter circuit will power 220V or 110V appliances from 12V car battery. The circuit is easy to make and is low cost. Use proper transformer. The output (in watts) is up to you by selecting different power rating transformer and power transistor rating. If you load electronic...

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10Mhz to 1 MHz Frequency Converter

10Mhz to 1 MHz Frequency Converter CircuitPart ListIC1 7404 = 1IC2 7490A = 1R 1 K = 2R 3.3 K = 1C Trim Polymer 39 pF = 1C Electrophoresis 4.7 uF 16V = 1C Milar 47 nF 16 V = 1C Milar 10 nF 16 V = 1C Ceramic 68 pF 50 V = 1&nb...

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Gibson RD Artist Guitar circuit schematic with explanation

The following diagram is the schematic of Gibson RD Artist bass guitarCircuit Notes:Both compression and expansion effects are determined by the lead pickup output only.I and O in the design diagram refer to inner and outer connections for the specific plug / jack.P and J in the design diagram refer to plugs and jacks respectively.The two green wires connecting to the P1- (5,6) are signal grounds....

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Gaza Drone Crasheshamas Presents Photosisrael Newsynetnews

Us Drone Aircraft Picture On Visualizeus.Weapon Of Choice A Us Air Force Mq 9 Reaper Drone Aircraft.Gaza Idf Drone Crashes Hamas Presents Photos Israel News Ynetnews.Drone Aircraft On Missions In Afghanistan And Other War Zones Xinhua.Drone Aircraft In Eastern Iran A Military Source Told State.Predator Drone Img Nationalyemen.Drone Aircraft Recentlyincorporated Into The Series Terminator...

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Switch Timer Circuit For Bathroom Light

This 9-minute timer switch can be used to control the light in a toilet or bathroom. The timer is started by pushing S1 and stopped by pushing S1 again. If you forget to turn it off, the controlled light will go off after nine minutes. If you need the light on continuously non-stop, you need to press S1 (turn on) and then S2 (cancellation of timer) within 9 minutes and in this case the light will...

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