What are the common faults of the digital multimeter and how to fix it after the fault?
On 2019-01-27 15:09:34 in Technology
This article writes about the digital multimeter common faults and maintenance. ...
What is a LED emission tube and how to detect it?
On 2018-12-21 14:28:11 in Photoelectric
This article briefly introduces what is a LED emission tube and how to detect it ...
What are the types of FPC connector？
On 2019-06-03 14:57:03 in Connector
This article introduce the types of FPC connector ...
Output Curve of Field Effect Transistor
On 2018-11-23 10:36:28 in Memory
If the internal resistance of the test voltage is also very small, the tube will burst undoubtedly. ...
How to standardize the network interface of the crystal head of the RJ45 interface connector?
On 2021-08-12 10:59:06 in Connector
This article describes the characteristics of the RJ45 interface connector. ...
What is a photoelectric switch and how to detect it?
On 2018-12-14 14:53:08 in Photoelectric
This article briefly introduces what is a photoelectric switch and how to detect it? ...
how to detect a two-way trigger diode?
On 2018-10-26 17:02:25 in Memory
use the multimeter to place the multimeter in the RX1~RX10kQ gear and measure the positive and reverse resistance of the bidirectional trigger diode ...
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 does an infrared proximity sensor work?
On 2020-11-18 11:26:50 in Sensor
This article describes the characteristics of the sensor. ...
Programmable safety features for low-power Industry 4.0 applications
On 2023-02-24 15:34:58 in IC Chips
Programmable safety features enable easy, cost-efficient implementation of redundancy, fail-safe functions, checksums and other features to reduce development time, improve safety and extend battery life for low-power Industry 4.0 applications. ...
How to detect the BTG thyristor?
On 2018-10-29 15:08:36 in Memory
Judging the electrode to place the multimeter in RX1K2 block,and the red and black stylus rotation to connect a pair of electrodes,when a pair of pins is measured to be low resistance ...
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. ...
The operating principle of Intel single-bridge H55 chipset motherboard boot circuit.
On 2019-04-27 15:27:46 in Knownlege
This article describes the operating principle of Intel single-bridge H55 chipset motherboard boot circuit. ...
What are the tips for selecting TVS?
On 2021-07-15 10:51:19 in Generally electronic component
This article describes the characteristics of the TVS. ...
What are the semiconductor materials used in RF microwave power transistors?
On 2020-01-14 10:46:34 in IC Chips
This article describes the characteristics of the transistors. ...
How to apply the anti-high humidity carbon dioxide sensor in the greenhouse?
On 2023-11-03 15:28:42 in Sensor
This article describes the characteristics of the humidity carbon dioxide sensor. ...
Techniques and Methods of PCBA Fault Diagnosis and Repair
On 2023-08-01 10:50:47 in PCBA
During the manufacture and use of PCBA (Printed Circuit Board Assembly), failures are inevitable. This article will introduce common techniques and methods of PCBA fault diagnosis and repair, including fault analysis, application of test tools, replacemen ...
Analysis of CPU power consumption of Intel dual-core motherboards.
On 2019-12-30 11:13:52 in Capacitors
This article describes the characteristics of Intel dual-core motherboard CPU power. ...
Comparative analysis of LDO linear regulator and DC/DC device
On 2018-11-20 10:33:07 in Memory
LDO is a low dropout linear regulator, compared with the traditional linear regulator. Traditional linear regulators ...
Why the Raspberry Pi 4's USB-C interface is not compatible with all Type-C data lines？
On 2019-07-31 10:49:42 in Technology
This article describes the characteristics of the USB-C interface and Type-C data lines. ...
Analysis of Design Method of Interface Drive Based on USB Device.
On 2020-10-17 10:35:14 in IC Chips
This article describes the characteristics of the USB Device. ...
What is the design method of analog switch to switch audio signal?
On 2021-03-29 10:42:03 in Technology
This article describes the characteristics of the analog switch. ...
How to judge the DC voltage/current block failure of the mechanical multimeter and how to repair it?
On 2019-01-28 17:40:45 in Technology
This article writes about some methods to judge the DC voltage/current block failure of the mechanical multimeter and repair it. ...
What is the application principle of open-ended Hall current sensors in power distribution systems?
On 2020-11-17 11:34:15 in Sensor
This article describes the characteristics of the sensors. ...
How to identify and detect bidirectional thyristors?
On 2018-12-18 15:02:24 in Generally electronic semiconductor
This article introduces some ways to identify and detect bidirectional thyristors ...
What is the work principle of inductive electronic welcome device?
On 2019-01-23 17:05:22 in Knownlege
This article writes about the work principle of inductive electronic welcome device ...
What is the application of zirconia oxygen sensor in the process of liquor brewing?
On 2023-11-20 14:23:16 in Sensor
This article describes the characteristics of the zirconia oxygen sensor. ...
What are the connectors used in industrial robots and automation equipment?
On 2020-09-08 10:20:53 in IC Chips
This article describes the characteristics of the connectors. ...
What are the problems should be paid attention to when using automobile digital multimeter?
On 2019-03-08 11:15:46 in Question
This article describes some problems should be paid attention to when using automobile digital multimeter ...
How to identify and detect transistors?
On 2018-10-27 10:56:39 in Generally electronic semiconductor
Intuitionistic recognition.Figure shows the pin distribution diagram of common transistors. ...
Daily use habits and maintenance precautions for pure electric vehicles
On 2019-07-13 13:25:12 in Technology
This article describes the daily use habits and maintenance precautions for pure electric vehicles ...
how to detect a dual base diode?
On 2018-10-26 17:10:47 in Memory
discriminant emitter E. When the multimeter is placed in the RX1k2 block and the positive and reverse resistance values between any two electrodes are equal (2~10k2) with two forms ...
ROHM has developed a buck-boost DC/DC converter "BD83070GWL" with significant energy saving advantages.
On 2019-08-07 10:34:44 in Generally electronic semiconductor
This article describes the characteristics of the converter. ...
How to test and repair the rectifier bridge?
On 2018-10-26 15:52:31 in IC Chips
Distinguish polarity to place the multimeter in RX1kQ block,and the black stylus arbitrarily connect a pin of the whole bridge component,and measure the other three pins with the red stylus,if the measured resistance is infinite ...
What are the difference of use of digital multimeter and pointer multimeter.?
On 2019-02-20 11:00:08 in Knownlege
This article describes the comparison of the use of digital multimeter and pointer multimeter. ...
How to measure the color LED dot matrix display?
On 2018-10-29 15:33:54 in Memory
The color LED dot matrix display is the same as monochrome.You can use short columns or rows of methods to detect,just a little cumbersome operation ...
What are the requirements for signal conditioning of gas detection sensors?
On 2021-01-19 10:48:45 in Sensor
This article describes the characteristics of the sensors. ...
What are the precautions when using a mechanical multimeter?
On 2019-01-27 15:03:50 in Knownlege
This article introduces some precautions when using a mechanical multimeter. ...
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 ...