tda7056

Low-frequency amplifier on a TDA7056 chip

The TDA7056 chip is a 3-watt low-frequency monophonic amplifier with a bridge output and single-ended power supply. You can see ...
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sh69p26k microcontroller

Microcontroller sh69p26k.Datasheet,pinout

The SH69P26 is a single-chip 4-bit microcontroller. This device integrates a SH6610D CPU core, 6K words of OTPROM, 389 nibbles ...
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pulse metall detector circuit

How to make a pulse metal detector and how it works

With this pulse metal detector you will be able to find metal, including non-ferrous metal.This is a pulse metal detector ...
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spy laser pointer

As a laser pointer, you can listen to the sounds from the glass

With the help of a laser pointer and a sensitive amplifier, you can conduct an interesting experiment.Install a sound source ...
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DIY directional microphone

How to make a directional microphone with an amplifier

In this article I will tell you how to make a very sensitive directional microphone, with which you can pick ...
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soft start for halogen lamp on thermisor ntc circuits

Soft start of 12V halogen lamp on relay and NTC thermistor

This device is needed for a smooth start of halogen lamps at 12 Volts, so that they do not fail ...
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dimmer circuit for a halogen lamp on a timer 555

Dimmer for halogen lamp on timer 555

With this device, you can adjust the brightness of a powerful halogen lamp at a voltage of 12 volts.The device ...
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vibration sensor circuit

How to make a vibration sensor on an lm358 chip

While analyzing the car alarm system, I found an interesting sensor made on a piezoelectric element to which a spring ...
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self latching relay

10 circuit diagrams on the relay

In this article I will tell you how to make 10 simple relay devices.Basically, I will use the relay number ...
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fire generator circuit on transistor 2sc2078

Fire generator from an antenna on a transistor 2sc2078

With the help of this high-frequency generator, it is possible to set fire to paper or melt small pieces of ...
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microwave motion sensor circuit

How to make and set up a microwave motion sensor

This microwave motion sensor will see the movement of a person at a distance of more than 10 meters and ...
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transistor kt838

High-voltage transistor kt838. Characteristics, datasheet, connection

Silicon, high-voltage, mesa-planar powerful transistor kt838 npn structures were used mainly for horizontal scanning of TVs and also in switching ...
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pentode 6zh1p

Pentode 6zh1p. Its characteristics, datasheet pinout

The 6zh1p radio tube is a high-frequency pentode and such a tube was used earlier in televisions and radios. In ...
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How to make an AM radio transmitter at a frequency of 27 MHz on one transistor

With this simple radio transmitter, you can go on the air at a frequency of 27 MHz.The modulation is amplitude, ...
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gsm generator chip rf3140

GSM generator on a RF3140 chip from a cell phone

There are microcircuits in cell phones that amplify a weak high-frequency signal by power, and one of these microcircuits is ...
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The RF 2418 chip.Frequency converter for 433 and 915 MHz receivers

The RF2418 chip is a frequency converter that can be used in radio receivers at frequencies of 433MHz and 915 ...
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24c08 flash eeprom

Chip 24c08 EEPROM memory. Purpose, pinout and datasheet

The 24c08 microcircuit is a non-volatile memory microcircuit that can be repeatedly electrically reprogrammed and data exchange occurs via the ...
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Darlington transistor KSP13.Datasheet,pinout

NPN Epitaxial silicon transistor Darlington KSP13.Has a large Hfe Collector-Emitter Voltage 30V Collector Current 500mA Current Gain Bandwidth Product 125 ...
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Transistor 2sa1271.Datasheet,pinout

2SA1271 is a low-power transistor of the pnp structure.The inscription on the case is A1271 Collector-emitter voltage 30V Collector current ...
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mosfet k3570 pinout datasheet

Mosfet transistor 2sk3570.Pinout,characteristics

Mosfet transistor 2sk3570,n-channel.Such a transistor can often be found on old motherboards.There is a protective diode between the gate and ...
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mosfet transistor p45n02ld

Mosfet logic-level transistor P45N02LD.Characteristics,pinout

n-channel logic level mosfet transistor p45n02ld. Drain-source breakdown voltage-25V Gate-source voltage+/-20V Gate treshold voltage-0.8...2.5V Drain current-45A Rds 20-30 mOhm input ...
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transistor S9015

Transistor S9015.Pinout and datasheet

Transistor S9015 p-n-p conductivity,low-power,low-noise,silicon,high-frequency.It is available in the TO-92 housing and for surface mounting (for smd, the power characteristics are ...
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bta16-600

Triac BTA16-600.Characteristics,power control circuit

The BTA16-600 triac is designed for switching loads at alternating current up to 16 amperes.The number 600 indicates that the ...
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processor m37705m4b453sp

The M37705 processor from the washing machine.Characteristics,connection diagram

Processor M37705M... this is a sixteen-bit single-chip microcomputer with 64 pins, which can be found on the control boards of ...
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chip KID65003AP

Chip KID65003AP.Specifications,specifications and pinout

The KID65003AP chip is a transistor assembly consisting of seven seven Darlington transistors.It is designed to work as a key ...
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indicator driver kid65783ap

Chip KID65783AP.Keys and driver for indicators

The KID65783AP chip is an 8-channel driver for controlling fluorescent displays, relays, lamps, etc.We send a signal up to 2 ...
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1248gb8206

Chip 1248GB8206

The 1248GB8206 chip.Such a chip is on the control board of unknown household appliances, such as a slow cooker.The characteristics ...
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shift register sn74hc164n chip

Chip SN74HC164N shift register.Datasheet and connection diagrams

The SN74HC164N chip is an 8-bit shift register and has a CLR input and a serial input with logic I ...
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driver for lamp ws9445d7p circuit

The WS9445d7p chip.How to connect it, characteristics.Ecola premium lamp

The WS9445D7P chip is used in LED lamps as a pulse driver for powering LEDs with current.The input voltage of ...
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CD40106 chip Schmitt triggers.Characteristics, pinout and diagrams

The CD40106 chip contains six Schmitt triggers.They are used in multivibrators, signal formers, and generators.           ...
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Rolsen RPD-9D03T DVD player.What are the radio components in it

I will disassemble the Rolsen RPD-9D03T DVD player for spare parts and see what radio components are used in it ...
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multicooker rmc-m150

Multicooker RMC-M150 for spare parts

I got a multicooker RMC-M150 for spare parts, let's see what you can get out of it. Power board.It contains ...
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backlit charging cable

Phone charging cable with backlight.How the backlight works and what’s inside

There is a cable for charging phones, tablets and other equipment on sale, which has a backlight, and it does ...
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computer mouse matrix sensor

Computer optical mouse How it works

It would seem that an ordinary computer mouse and there is nothing so special about it, but not everything is ...
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Economy-energy-saving lamps.The principle of their operation, how the electronic ballast is arranged

Saving energy-saving lamps are now a thing of the past, and they have been replaced by LED lamps.In this article ...
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A motor from a children’s electric motorcycle.It can move an adult

I got a children's electric motorcycle, which is designed to move children using the electric energy of the battery located ...
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ESR tester of GM328a radio components.How to use it, calibration and scheme

For more than two years I have been using the well-known ESR GM328A tester and in this article I will ...
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sh69p26k microcontroller

Microcontroller sh69p26k.Datasheet,pinout

The SH69P26 is a single-chip 4-bit microcontroller. This device integrates a SH6610D CPU core, 6K words of OTPROM, 389 nibbles ...
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s3f9454 chip

Chip S3F9454BZZ-DK94.Microcontroller from household appliances

The S3F9454BZZ-DK94 chip is an 8-bit microcontroller from Samsung and is found on control boards for household appliances, such as ...
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