Optocoupler
On 2019-01-04 15:37:11 in Photoelectric
How to reduce errors in detecting AC voltages with using a pointer multimeter?
On 2019-02-12 17:11:15 in Knownlege
How to detect the AC voltage/current and DC voltage/current with using a multimeter?
On 2019-02-22 13:54:44 in Technology
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
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
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
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
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
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
2-way optocoupler relay module
On 2023-03-22 14:16:42 in IC Chips
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 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
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
Potentiometer detection and resistance detection
On 2018-08-22 12:04:06 in Relays
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 is an AC Link Closed Loop Current Sensor?
On 2021-01-16 10:53:05 in Sensor
Third, the detection of integrated circuits
On 2018-10-31 11:32:53 in Generally electronic semiconductor
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
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
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
how to detect and repair the photoelectric switch?
On 2018-10-27 10:40:06 in Memory
How to detect the fixed capacitors?
On 2019-07-02 15:43:54 in Capacitors
how to detect the discoloration LEDs?
On 2018-10-26 16:40:18 in Memory
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
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
How to reduce errors in detecting DC currents?
On 2019-02-13 11:44:47 in Technology
How to detect a transformer?
On 2018-12-20 11:11:48 in Generally electronic component
how to detect infrared receiving diode?
On 2018-10-26 16:55:08 in Generally electronic semiconductor
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
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
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
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
Hitachi integrates AI in car stereo camera to enhance night pedestrian detection
On 2019-05-16 11:47:16 in Technology
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
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 is a Schottky diode? How to detect?
On 2018-10-26 15:54:21 in Relays
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
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
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
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
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 ...