Switching Circuits
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At the heart of this heat-sensitive switch is IC LM35 (IC1), which is a linear temperature sensor and linear temperature-to-voltage converter circuit. The converter provides accurately linear and directly proportional output signal in millivolts over the....
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Such jobs as jewel cutting and polishing require the workers to switch on/off two electrical appliances one after another repeatedly for two different services on the same workpiece. This is cumbersome as they need to fully concentrate on delicate handwork....
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This circuit is especially designed for those who often need to wake up early in the morning. Ordinary alarms in electronic watches are not loud enough and very often they fail to wake up. The switch circuit described here will come handy; it can be used to....
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All modern IR remote control devices produce a continuous coded stream of pulses at 37. 9 kHz when any button on the module is pressed. These IR pulses are detected and decoded by a receiver (your TV, VCR etc. ) and the appropriate function activated. In our....
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The circuit diagram shown here is a very sensitive wireless relay switch that can be used to control the working of home appliances like flush system, hand dryer or else. The wireless switch described here needs no remote control for its working. You only....
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A simple test circuit to fault find audio and radio equipment. Can be used to inject a square wave signal, rich in harmonics, or used with headphones as an audio tracer. A single pole double throw sitch is used to switch between inject and trace modes. The....
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How often does it happen that you close down Windows and then forget to turn off the computer This circuit does that automatically. After Windows is shut down there is a click` a second later and the PC is disconnected from the mains. Surprisingly enough,....
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Normally home appliances are controlled by means of switches, sensors, etc. However, physical contact with switches may be dangerous if there is any shorting. The circuit described here requires no physical contact for operating the appliance. You just need....
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Here is one of the interesting 555 timer circuits to trick your friends while studying electronics in schools. Clap switch circuit is the local name of sound controlled flip flops. This sound controlled light can also be used as sound detection sensors. Flip....
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Transistor is a semiconductor device used for switching and amplification of weak signals. This article explains how a transistor work and the working of transistor as a switch. At present, transistors are applied in most of the electronic equipments for....
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With this cool circuit integrated to your cars headlight system, you can drive cool headed in high beam. The circuit will take over the duty of low beaming the headlight when vehicles approach against, and high beams the lights when they pass over. The....
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The circuit diagram shown here is of a Hall Effect switch. Hall Effect sensor IC DN6848 from Panasonic is the heart of the circuit. The DN6848 has a built-in Hall Effect sensor, Schmitt trigger circuit, power supply regulator and temperature compensation....
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This is a very simple yet effective circuit in which the equipments connected at the so called trailing sockets will run only if the equipment connected at the control socket is switched on. For example, let`s connect a motor is connected to the control....
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A simple liquid level switch circuit with diagram and schematic.This can also be used as water level switch,fluid level,float level and tank level switch....
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Here is the circuit diagram of a magnetic proximity switch that finds a lot of applications in many fields. The circuit is based on a magnetic reed switch(S1) as the proximity sensor. A monostable multivibrator based on NE555 (IC1) and a toggle flip flop....
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A simple photo switch circuit using NE 555 IC with diagram and schematic.This photo switch ons a relay when light intensity crosses limit.A light sensor circuit for home and industrial purpose....
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A simple touch switch circuit using CD4011 is given here. The IC CD4011 is wires as a flip flop here. The 9, 13 pins of the IC works as the set and reset contacts respectively. CMOS ICs like 4011 require requires a very low current for controlling its gates.....
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The transmitter part of the circuit is build around IC1(NE 555). The IC1 is wired as an astable multi vibrator operating at 40KHz. The output of IC1 is amplifier the complementary pair of transistors ( Q1 & Q2) and transmitted by the ultrasonic transmitter....
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This is a simple electronics circuit of clap switch project. If you are a beginner electronics learner, and love to get new project experiment then this is a great circuit for you. This circuit can on/off a 220V electronic device like fan, lamp by the sound....
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This circuit shows about TDA1054 For Tone Control Stereo Preamp Circuit Diagram. Features: National Semiconductor LM35 IC, use a semiconductor ....
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The following circuit shows about 2 Way Switch Wire Electrical Circuit Diagram. Features: for switch on the lights using S1, three terminals ....
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overhead detector (fire alarm) circuit is a precision integrated temperature sensor type LM35 (IC1), which provides an accurately linear and ....
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This circuit explain about alternate wireless switching using ultrasonic sensor. The distance of switching range should be more than 10 meters ....
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The following circuit shows about Petrol Gas Switch Sensor Circuit Diagram For A Pajero. Features: simple circuit, using LM334 IC, automatically ....
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The UTC A6966 is designed for 5 LED level meter driver in 9 lead SIP package. It consists of one input Amplifier and five Comparators for LED level indication. By LianShun Electronics Co. , Ltd ..
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AT89C51-12PI is a sub package of AT89C51, If you need see the description, please click AT89C51. If you need AT89C51-12PI`s datasheet, please download it from below. By ATMEL Corporation ..
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The Allegro ACS75x family of Current Sensors provides economical and precise solutions for current sensing in industrial, automotive, commercial, and Communications systems. The device package allows for easy implementation by the customer. Typical....
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The CYWUSB6953 is a complete Radio System-on-Chip device, enabling many simple RF systems to be implemented with a single device and a handful of Discrete components. The CYWUSB6953 is designed to implement low cost Wireless systems operating in the....
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Today`s electronic designs are focusing more on optimizing efficiency in an attempt to minimize unnecessary power dissipation not only to maximize battery life in portable applications but to also assure that the application is running as cool as possible.....
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Dimmer Switch - Dimmer Switch Working, Installation, Circuits and Explanation....