Optocoupler

On 2019-01-04 15:37:11  in Photoelectric

Optocoupler

This article describes the Optocoupler ...

How to reduce errors in detecting AC voltages with using a pointer multimeter?

On 2019-02-12 17:11:15  in Knownlege

How to reduce errors in detecting AC voltages with using a pointer multimeter?

This article briefly introduces the methods for reducing errors in detecting AC voltages. ...

How to detect the AC voltage/current and DC voltage/current with using a multimeter?

On 2019-02-22 13:54:44  in Technology

How to detect the AC voltage/current and DC voltage/current with using a multimeter?

​This article describes methods for detecting the AC voltage/current and DC voltage/current with using a multimeter ...

How to measure the optocoupler?

On 2018-10-27 10:43:42  in Photoelectric

How to measure the optocoupler?

Because the way of the optical coupler is not the same,so the test should be based on different structures for measurement and judgment. ...

How to connect test lines when using DC / AC mode shields?

On 2019-04-20 13:38:41  in Technology

How to connect test lines when using DC / AC mode shields?

This article describes Method of properly connecting test lines when using DC / AC mode shields. ...

Five.Optocoupler

On 2018-10-31 11:35:12  in Generally electronic semiconductor

Five.Optocoupler

Optocoupler is an electrical and photoelectric converter composed of LED and photosensitive transistors ...

How to repair the mechanical multimeter AC voltage and current mode fault?

On 2019-01-28 13:44:30  in Technology

How to repair the mechanical multimeter AC voltage and current mode fault?

This article briefly introduces how to repair the mechanical multimeter AC voltage and current mode fault. ...

Do you know the power supply IC of the components required for various detection pins for stable control?

On 2023-03-11 13:58:25  in IC Chips

Do you know the power supply IC of the components required for various detection pins for stable control?

Power supply IC chips are integrated circuits that step down AC power and provide regulated voltage, current, and protection to ensure proper operation of components and systems. ...

How to design a high-efficiency LED driver circuit?

On 2021-11-13 10:52:16  in Photoelectric

How to design a high-efficiency LED driver circuit?

This article describes the characteristics of the LED driver. ...

2-way optocoupler relay module

On 2023-03-22 14:16:42  in IC Chips

2-way optocoupler relay module

The 2-channel optical coupler relay module IC is a versatile and reliable IC used to transfer signals and protect circuits in a variety of devices. ...

Linear Hall Effect Current Sensor IC

On 2023-03-10 11:33:07  in IC Chips

Linear Hall Effect Current Sensor IC

Linear Hall effect current sensor IC is used to measure and detect electrical current in circuits, while being reliable and accurate. It is used in various applications such as motor protection and circuit diagnosis. ...

how to detect the LED emission tube?

On 2018-10-26 16:31:21  in Memory

how to detect the LED emission tube?

The use of multimeter to detect LED luminous platoon is mainly to check whether the LEDs are good ...

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 ...

Potentiometer detection and resistance detection

On 2018-08-22 12:04:06  in Relays

Potentiometer detection and resistance detection

The actual resistance value can be measured by connecting two forms (no positive or negative) to the two ends of the resistor respectively. ...

What are the methods for detecting transistors of a multimeter?

On 2019-02-22 13:55:39  in Knownlege

 What are the methods for detecting transistors of a multimeter?

This article describes some methods for detecting transistors of a multimeter ...

What is an AC Link Closed Loop Current Sensor?

On 2021-01-16 10:53:05  in Sensor

What is an AC Link Closed Loop Current Sensor?

Description and function introduction of closed loop current sensor ...

Third, the detection of integrated circuits

On 2018-10-31 11:32:53  in Generally electronic semiconductor

Third, the detection of integrated circuits

on-line detection : measure the DC voltage of each foot of the integrated circuit, compare with the standard value, judge the quality of the integrated circuit. ...

Identification and detection of capacitance components

On 2018-08-22 12:26:48  in Relays

Identification and detection of capacitance components

Inductors are usually classified by skeleton, winding, shielding, packing material, magnetic core or magnetic core. ...

Diode and transistor detection

On 2018-08-22 12:31:42  in Relays

Diode and transistor detection

In identifying and detecting common components, the resistance is the forward resistance of the diode. ...

Method of detecting fixed capacitors.

On 2019-11-06 11:05:23  in Capacitors

Method of detecting fixed capacitors.

This article describes the characteristics of method of detecting fixed capacitors ...

how to detect and repair the photoelectric switch?

On 2018-10-27 10:40:06  in Memory

how to detect and repair the photoelectric switch?

The detection method of the transmitting tube and the receiving tube is as follows. ...

How to detect the fixed capacitors?

On 2019-07-02 15:43:54  in Capacitors

How to detect the fixed capacitors?

This article introduces some methods of detecting fixed capacitors. ...

​how to detect the discoloration LEDs?

On 2018-10-26 16:40:18  in Memory

​how to detect the discoloration LEDs?

As shown in Figure 5-18,a circuit for detecting a discoloration light emitting diode (LEDs),a multimeter is placed in the RX10k2 block,and the two pin is connected. ...

Types and detection methods of switching devices

On 2018-11-01 16:57:50  in Relays

Types and detection methods of switching devices

The switch is the component that completes the electrical connection and disconnection through a certain action,which is generally connected in series to realize the transmission and control of signal and electric energy ...

A method for detecting resistance components using a multimeter.

On 2019-05-30 14:42:49  in Resistors

A method for detecting resistance components using a multimeter.

This article introduces A method for detecting resistance components using a multimeter. ...

How to reduce errors in detecting DC currents?

On 2019-02-13 11:44:47  in Technology

How to reduce errors in detecting DC currents?

This article describes the method of reducing errors in detecting DC currents. ...

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. ...

​how to detect infrared receiving diode?

On 2018-10-26 16:55:08  in Generally electronic semiconductor

​how to detect infrared receiving diode?

the judgment electrode is the same as that for detecting the normal or reverse resistors of ordinary light emitting diodes or diodes. ...

How to detect humidity resistors by using a pointer multimeter voltage shift?

On 2019-07-06 15:01:02  in Resistors

How to detect humidity resistors by using a pointer multimeter voltage shift?

This article describes use the pointer multimeter voltage conversion to detect the humidity resistance ...

the detection of the resistor

On 2018-10-31 10:55:57  in Memory

the detection of the resistor

Will be two pen ( regardless of the positive and negative ) are connected with the two ends of the resistor can be connected to measure the actual resistance value ( in order to improve the measurement accuracy ...

How to detect the light-controlled thyristor?

On 2018-10-29 14:48:43  in Generally electronic semiconductor

How to detect the light-controlled thyristor?

Whether it is two feet or three feet of the light control thyristor,detection,first of all will be subject to the light window with black paper stick tape cover ...

How to identify and detect relays?

On 2018-12-20 14:13:55  in Relays

How to identify and detect relays?

This article describes how to identify and detect relays ...

Hitachi integrates AI in car stereo camera to enhance night pedestrian detection

On 2019-05-16 11:47:16  in Technology

Hitachi integrates AI in car stereo camera to enhance night pedestrian detection

This article describes that Hitachi integrates AI in car stereo camera to enhance night pedestrian detection ...

the structure,type and detection method of the loudspeaker

On 2018-11-03 15:12:34  in Memory

the structure,type and detection method of the loudspeaker

one The structure of the loudspeaker.The loudspeaker,also known as the horn,is an electro-acoustic conversion device that converts the analog voice telephone number into a sound wave ...

What are the methods for detecting DC resistance with using multimeter?

On 2019-02-18 16:59:48  in Knownlege

What are the methods for detecting DC resistance with using multimeter?

This article describes some methods for detecting DC resistance with using multimeter ...

What is a Schottky diode? How to detect?

On 2018-10-26 15:54:21  in Relays

What is a Schottky diode? How to detect?

Schottky diode is a low-power, high-current,ultra-high-speed semiconductor device, reverse recovery time trr can be small to a few nanoseconds ...

​How to detect the regulator diode?

On 2018-10-26 16:13:16  in Generally electronic semiconductor

​How to detect the regulator diode?

The method of judging an electrode is basically the same as that of judging an ordinary diode electrode. ...

​how to detect the four end small power thyristor?

On 2018-10-29 15:00:02  in Relays

​how to detect the four end small power thyristor?

To detect the unidirectional conductivity of PN junction,the multimeter is placed in RX 1K block,and the positive and negative resistance between A-GA,GKGA and Gk-K are measured. ...

​how to detect a varactor?

On 2018-10-26 17:08:18  in Memory

​how to detect a varactor?

Because the positive resistance of the varactor diode is larger,the multimeter is placed in the RX 10k2 block,the red form is connected to the positive pole ...

​how to detect a photosensitive transistor?

On 2018-10-27 11:13:49  in Memory

​how to detect a photosensitive transistor?

the pin of the pin identifies the pin arrangement of the photosensitive transistor as shown in Figure 6-8,the foot near the pin or the longer one is the emitter E,and the far or shorter foot of the foot is the collector C ...