How to solve the common faults on the LED screen?
On 2021-09-10 10:51:07 in Generally electronic semiconductor
This article describes the characteristics of the LED screen. ...
How does the fiber optic connector work?
On 2021-08-19 10:38:21 in Connector
This article describes the characteristics of the connector. ...
What is the relationship between the charging head and the fast charging function of the mobile phone?
On 2021-07-30 14:55:46 in Photoelectric
This article describes the characteristics of the control. ...
What are the core indicators and parameters of rechargeable batteries?
On 2021-06-25 10:56:02 in Generally electronic semiconductor
This article describes the characteristics of the batteries. ...
What is the working principle of fiber optic connector?
On 2020-10-07 11:14:27 in Generally electronic semiconductor
This article describes the characteristics of the fiber optic connector. ...
How to design the ultrasonic signal transmitting and receiving circuit based on AT89S52 single chip microcomputer?
On 2019-10-08 18:04:13 in IC Chips
This article describes the characteristics of the MCU. ...
What is the principle and function of signal transmission by signal transistor?
On 2019-08-29 10:14:56 in Generally electronic component
This article describes the characteristics of signal transistor. ...
What is a double base diode (Unijunction transistor) and how to detect it?
On 2019-01-07 10:35:39 in Generally electronic semiconductor
This article describes the double base diode (Unijunction transistor) and the detection method of it. ...
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 are the main parameters of the transistor?
On 2018-12-18 14:46:11 in Generally electronic semiconductor
This article describes the main parameters of the transistor ...
What is a pyroelectric infrared sensor for the human body?
On 2018-12-15 13:44:19 in Sensor
This article introduces the pyroelectric infrared sensor for the human body ...
What is a monochrome LED dot matrix display?
On 2018-10-29 15:27:20 in Relays
Excellent LED dot matrix display is a monochrome light-emitting diode in accordance with the structure of rows and columns ...
How to detect leakage of electrolytic capacitors
On 2019-11-11 10:27:55 in Capacitors
This article describes the characteristics of detecting leakage of electrolytic capacitors ...
How to design of energy-saving electric vehicle AC drive system based on boost DC-DC bidirectional converter and inverter?
On 2021-07-10 10:44:20 in Transformer
This article describes the characteristics of the converter and inverter ...
Do you know switching principle of transistor and base induction voltage?
On 2019-08-26 10:43:35 in Generally electronic component
This article describes the characteristics of transistor. ...
Notes on FPGA pin adjustment
On 2023-03-18 11:50:26 in IC Chips
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. ...
Do you know the knowledge of D triggers?
On 2019-08-13 10:25:45 in Knownlege
This article describes the characteristics of the D triggers. ...
What are the advantages and disadvantages of embedding an ARM hard core on an FPGA?
On 2019-07-12 11:14:24 in Technology
This article describes the advantages and disadvantages of embedding an ARM hard core on an FPGA. ...
The principle, advantages and disadvantages of several liquid level gauges
On 2019-07-03 10:58:24 in Knownlege
This article describes the principle, advantages and disadvantages of several liquid level gauges ...
The principle and comparison of several level gauges for different price grades.
On 2019-06-06 15:01:16 in Knownlege
The principle and comparison of several level gauges for different price grades. ...
USB interface circuit analysis and fault maintenance.
On 2019-06-04 16:06:11 in Connector
This article writes about the USB interface circuit analysis and fault maintenance. ...
CPU power supply circuit structure.
On 2019-04-18 14:46:42 in Knownlege
This article describes the CPU power supply circuit structure. ...
Discrimination on the pseudo-concept of "reverse earth resistor value and modification of multimeter pens
On 2019-04-16 11:29:12 in Knownlege
This article briefly introduces the discrimination on the pseudo-concept of "reverse earth resistor value” and modification of multimeter pens ...
Function of digital multimeter diode block.
On 2019-04-13 14:33:53 in Knownlege
This article briefly introduces the function of digital multimeter diode block. ...
What is the apparent power of ATX power supply?
On 2019-04-04 11:53:03 in Knownlege
This article briefly introduces the apparent power of ATX power supply ...
What is gate circuit and how to judge it's good or bad?
On 2019-03-25 13:58:42 in IC Chips
This article describes the gate circuit and how to judge it's good or bad ...
The main switch transformer of ATX power supply
On 2019-03-19 16:25:18 in Transformer
This article writes about the main switch transformer of ATX power supply ...
How to measure the AXTpower?
On 2019-03-12 14:26:30 in Knownlege
This article describes the method to measure the AXTpower ...
What is a resistor and how to calculate its value?
On 2019-03-12 14:14:24 in Resistors
This article briefly introduces the resistor and its value calculation. ...
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 are the characteristics and main parameters of Humidity sensitive resistor?
On 2019-01-09 15:32:22 in Resistors
This article writes about the characteristics and main parameters of Humidity sensitive resistor ...
What is a two-way trigger diode and how to detect it?
On 2019-01-02 17:59:43 in Generally electronic semiconductor
This article describes the two-way trigger diode and the detection. ...
Environmental Influence on Terminal Blocks
On 2018-12-26 10:47:54 in Knownlege
This article briefly introduces environmental influence on terminal blocks ...
Sequential logic circuit
On 2018-12-20 14:20:16 in Knownlege
This article briefly introduces sequential logic circuit ...
The main parameters and identification of the potentiometer
On 2018-12-20 13:38:20 in Generally electronic component
This article introduces the main parameters and identification of the potentiometer ...
What is a three-terminal integrated voltage regulator and how to classify?
On 2018-12-14 15:01:07 in Knownlege
This article describes the role of three-terminal integrated voltage regulator and how to classify ...
How to identify and detect common diodes?
On 2018-12-14 14:17:24 in Generally electronic semiconductor
This article briefly introduces how to identify and detect common diodes ...
The main characteristic of the diode is Danxian
On 2018-10-30 10:56:52 in Memory
It refers to the maximum positive current allowed to pass through the diode during long-term operation,which is related to PN junction area and external heat dissipation conditions. ...
how to detect a bandstop transistor?
On 2018-10-27 11:10:04 in Generally electronic semiconductor
Because of the internal resistance,the high resistance gear should be measured during testing ...
How to identify and detect common diodes?
On 2018-10-26 15:48:50 in IC Chips
Intuitive judgment. Some of the circuit symbols are printed on the diode to indicate polarity; one end of the negative pole of the diode is printed with a color ring as a negative mark ...