​What is an LED digital tube?

On 2018-10-29 15:10:23  in Photoelectric

​What is an LED digital tube?

A commonly used LED digital tube is composed of seven light-emitting tubes,which is composed of eight figures,with a decimal point inside the eight-section digital tube, Figure is shown as the digital tube shape and internal Structure Chart ...

Notes on FPGA pin adjustment

On 2023-03-18 11:50:26  in IC Chips

Notes on FPGA pin adjustment

Adjusting FPGA pins is essential for creating functional IC chips, reducing costs and improving reliability. It is important to remember various points before adjusting the pins, such as current, impedance, temperature, direction and performance testing. ...

What is the diode and how to judge whether it is good or bad?

On 2019-03-16 13:34:16  in Generally electronic semiconductor

What is the diode and how to judge whether it is good or bad?

This article briefly introduces the diode and how to judge whether it is good or bad ...

Light control automatic energy saving LED light circuit

On 2019-01-23 17:42:10  in Knownlege

Light control automatic energy saving LED light circuit

This article writes about the light control automatic energy saving LED light circuit ...

What are the Synthetic carbon film resistor and organic synthesis solid resistor ?

On 2019-01-08 10:34:37  in Resistors

What are the Synthetic carbon film resistor and organic synthesis solid resistor ?

This article writes about the Synthetic carbon film resistor and organic synthesis solid resistor. ...

What is the synthetic carbon film resistor and organic synthesis solid resistor?

On 2019-01-07 16:17:31  in Resistors

What is the synthetic carbon film resistor and organic synthesis solid resistor?

This article describes the synthetic carbon film resistor and organic synthesis solid resistor ...

Can a Switching Power Supply Be Used as a Charger?

On 2018-12-26 17:13:50  in Generally electronic component

Can a Switching Power Supply Be Used as a Charger?

The article explores whether a switching power supply can be used as a charger ...

What is the turn-off thyristor?

On 2018-10-29 15:02:28  in Generally electronic semiconductor

What is the turn-off thyristor?

The GTO is also a PNPN four-layer semiconductor device whose structure and equivalent circuit are the same as ordinary thyristors. ...

What are the methods for preventing the reverse connection of the MOS tube?

On 2019-08-07 10:30:11  in Generally electronic component

What are the methods for preventing the reverse connection of the MOS tube?

This article describes the characteristics of the MOS tube. ...

The working principle of RT9214 chip is analyzed.

On 2019-06-05 18:04:10  in IC Chips

The working principle of RT9214 chip is analyzed.

This article briefly introduces the working principle of RT9214 chip. ...

How the nVIDIA MCP78 chipset motherboard works?

On 2019-05-06 11:00:39  in IC Chips

 How the nVIDIA MCP78 chipset motherboard works?

This article briefly introduces the work principle of nVIDIA MCP78 chipset motherboar. ...

The method of using the ignition block of OTC700 series automobile digital multimeter

On 2019-04-26 10:58:45  in Knownlege

The method of using the ignition  block of OTC700 series automobile digital multimeter

This article briefly introduces the method of using the ignition block of OTC700 series automobile digital multimeter ...

What is a photosensitive diode?

On 2018-12-29 14:09:47  in Photoelectric

What is a photosensitive diode?

This article writes about the photosensitive diode ...

Diode rectifier filter circuit,Diode half wave rectifier circuit

On 2018-09-12 13:00:54  in Memory

Diode rectifier filter circuit,Diode half wave rectifier circuit

Power plant to send 50 Hz AC, after long-distance transmission, to the user is still 50 Hz AC, it is usually sent to industrial users 380 V three-phase AC, to ordinary civil users 220V single-phase AC. ...

Diode rectifier filter circuit Diode half wave rectifier circuit

On 2018-08-28 17:36:03  in Relays

Diode rectifier filter circuit Diode half wave rectifier circuit

Therefore, bridge rectifier has been widely used.Diode half wave rectifier circuit ...

What are the characteristics of LED waterproof power supply?

On 2021-11-05 10:38:37  in Photoelectric

What are the characteristics of LED waterproof power supply?

This article describes the characteristics of the power supply. ...

What is the difference between a lithium battery charger and an adapter?

On 2021-07-02 10:47:03  in IC Chips

What is the difference between a lithium battery charger and an adapter?

This article describes the characteristics of the lithium battery charger and an adapter. ...

What is the difference between resonant capacitor and filter capacitor?

On 2021-05-18 10:45:29  in Generally electronic semiconductor

What is the difference between resonant capacitor and filter capacitor?

This article describes the characteristics of the capacitor. ...

How to design a common-emitter amplifier circuit?

On 2019-09-09 10:27:12  in Generally electronic semiconductor

How to design a common-emitter amplifier circuit?

This article describes the characteristics of the common-emitter amplifier. ...

How to use the basic measurement function of automobile digital multimeter?

On 2019-03-09 11:48:04  in Technology

How to use the basic measurement function of automobile digital multimeter?

This article describes the use of the basic measurement function of automobile digital multimeter ...

How to use a digital multimeter?

On 2018-12-28 14:41:08  in Technology

How to use a digital multimeter?

This article describes the use methods of digital multimeter. ...

The main role of the potentiometer?

On 2018-12-11 13:20:38  in Knownlege

The main role of the potentiometer?

This article describes the main role of the potentiometer ...

What are the characteristics of the test transformer?

On 2021-05-20 10:33:41  in Transformer

What are the characteristics of the test transformer?

This article describes the characteristics of the transformer. ...

What is the working principle of the bias circuit in the triode amplifier circuit?

On 2019-10-17 10:02:01  in Knownlege

What is the working principle of the bias circuit in the triode amplifier circuit?

This article describes the characteristics of the triode amplifier. ...

GND( ground) resistor value measured by a multimeter

On 2019-04-02 11:32:30  in Resistors

GND( ground) resistor value measured by a multimeter

This article describes the GND( ground) resistor value measured by a multimeter ...

What is the basic function of ATX power supply?

On 2019-03-20 11:40:51  in Knownlege

What is the basic function of ATX power supply?

This article introduces the basic function of ATX power supply ...

How it Works about the O2 sensor?

On 2018-12-17 11:12:19  in Sensor

How it Works about the O2 sensor?

This article describes works principles of the O2 sensor ...

How do you measure infrared light emitting diodes?

On 2018-10-26 16:48:19  in Memory

How do you measure infrared light emitting diodes?

When detecting infrared light emitting diodes,there is a big difference between the pointer type multimeter and the digital multimeter ...

what is an infrared light emitting diode?

On 2018-10-26 16:45:24  in Memory

what is an infrared light emitting diode?

determine the order of the arrangement of the pins.The multimeter is placed in the R*1 thousand euro file ...

what are the characteristics of a light emitting diode?

On 2018-10-26 16:17:19  in IC Chips

what are the characteristics of a light emitting diode?

Light emitting diodes have the same conductivity as ordinary diodes.When positive currents pass through PN junctions ...

How to use a mechanical multimeter?

On 2019-01-27 14:43:12  in Technology

How to use a mechanical multimeter?

This article introduces how to use a mechanical multimeter. ...

How to detect a transformer?

On 2018-12-20 11:11:48  in Generally electronic component

How to detect a transformer?

This article describes how to detect a transformer. ...

What test methods are available to test connector reliability?

On 2019-07-25 11:23:00  in Connector

What test methods are available to test connector reliability?

This article describes some methods to test connector reliability. ...

What issues should pay attention to when using the multimeter?

On 2019-02-16 10:36:20  in Knownlege

What issues should pay attention to when using the multimeter?

This article introduces some issues should pay attention to when using the multimeter ...

How to select a general small power triode and a high power triode?

On 2019-01-08 15:57:01  in Generally electronic semiconductor

How to select a general small power triode and a high power triode?

The article explores how to select a general small power triode and a high power triode ...

Is Replacing Old Mechanical Relays via PLCs a Good Idea?

On 2018-12-17 12:03:18  in Relays

Is Replacing Old Mechanical Relays via PLCs a Good Idea?

The article explores that Is Replacing Old Mechanical Relays via PLCs a Good Idea ...

How to design FR8016HA infrared temperature measurement program?

On 2023-07-13 11:45:46  in IC Chips

How to design FR8016HA infrared temperature measurement program?

This article describes the characteristics of the FR8016HA infrared temperature. ...

How to detect resistors by a pointer multimeter?

On 2019-06-13 16:26:21  in Resistors

How to detect resistors by a pointer multimeter?

This article describes the method of detecting resistors by a pointer multimeter ...

Intel single Bridge Motherboard bus Power supply Analysis.

On 2019-06-11 14:59:42  in Knownlege

Intel single Bridge Motherboard bus Power supply Analysis.

This article describes the Intel single Bridge Motherboard bus Power supply ...

Several common capacitor applications on the motherboard.

On 2019-03-09 11:38:45  in Capacitors

Several common capacitor applications on the motherboard.

This article introduces several common capacitor applications on the motherboard. ...