The LED display does not work, and the cause of the fault is determined and eliminated according to the flashing green light of the sending card.
On 2019-06-13 16:14:11 in Generally electronic semiconductor
The LED display does not work, and the cause of the fault is determined and eliminated according to the flashing green light of the sending card. ...
What are the problems when LED display does not display or display incomplete?
On 2019-07-16 11:06:51 in Photoelectric
This article describes the LED display does not display or display incomplete fault causes and troubleshooting methods ...
How to measure inductance using the universal bridge meter?
On 2019-01-27 15:10:38 in Knownlege
This article writes about the universal bridge meter measuring inductance ...
What are the basics of synchronizing RS triggers circuit and synchronous D flip-flops?
On 2019-11-30 10:48:06 in IC Chips
This article describes the characteristics of the triggers. ...
The entire screen of the LED display shows abnormal faults and emergency solutions
On 2019-07-10 13:54:26 in Photoelectric
This article describes the entire screen of the LED display shows abnormal faults and emergency solutions ...
Analysis of the power supply circuit of the main board bridge of the RS880 chipset.
On 2019-04-20 13:32:23 in IC Chips
This article writes about the analysis of the power supply circuit of the main board bridge of the RS880 chipset. ...
What is the relationship between the circuit structure and the logic function of the trigger?
On 2019-10-22 09:54:26 in Knownlege
This article describes the characteristics of the triggers. ...
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. ...
Method for measuring the value of high resistance with a pointer multimeter.
On 2019-06-12 15:19:18 in Resistors
This article describes the method for measuring the value of high resistance with a pointer multimeter. ...
Light control automatic energy saving LED light circuit
On 2019-01-23 17:42:10 in Knownlege
This article writes about the light control automatic energy saving LED light circuit ...
The surface components welding points
On 2019-01-15 13:25:53 in Knownlege
This article describes the surface components welding points ...
What is the basic RS trigger composed of NOR gates circuit?
On 2019-08-09 10:50:48 in Technology
This article describes the characteristics of the triggers. ...
What is the principle of the seven-person intelligence responder?
On 2019-01-22 16:57:34 in Knownlege
This article describes the principle of the seven-person intelligence responder ...
What is the logic gate circuit of digital electronic technology?
On 2019-09-18 09:51:05 in Generally electronic component
This article describes the characteristics of the logic gate circuit. ...
What is the meaning of the capacitor model name and how to identify capacitors?
On 2019-01-07 17:16:29 in Capacitors
This article introduces what is the meaning of the capacitor model name and how to identify capacitors ...
How to use the basic measurement function of automobile digital multimeter?
On 2019-03-09 11:48:04 in Technology
This article describes the use of the basic measurement function of automobile digital multimeter ...
Method of measuring common resistance and high resistance by digital multimeter.
On 2019-07-01 18:12:58 in Resistors
This article describes the method of measuring common resistance and high resistance by digital multimeter. ...
GIGABYTE Motherboard Point Bitmap usage.
On 2019-04-03 14:12:35 in Knownlege
This article introduces the usage of GIGABYTE Motherboard Point Bitmap usage ...
Photoelectric display device
On 2018-12-01 10:48:03 in Photoelectric
This article describes some categories of optoelectronic display devices. ...
Environmental protection and sustainable development measures in PCBA manufacturing
On 2023-07-21 14:04:43 in PCBA
In the PCBA (Printed Circuit Board Assembly) manufacturing process, the implementation of environmental protection and sustainable development measures is crucial to reducing environmental impact and improving resource utilization efficiency. This article ...
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 Logic Algebra?
On 2019-01-07 17:43:41 in Knownlege
This article briefly introduces the logic algebra. ...
What are the resistors functions,parameters and how to identify the resistance of the resistor?
On 2018-12-17 13:58:35 in Resistors
This article describes what are the resistors functions,parameters and how to identify the resistance of the resistor? ...
What are the common types of power transformers?
On 2018-12-06 10:08:20 in Knownlege
This article writes about the different types of power transformers. ...
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 is the reverse protection circuit and the anti-reverse protection circuit?
On 2019-08-13 10:28:29 in Generally electronic component
This article describes the characteristics of the Circuit Protection. ...
Keyboard, mouse interface circuit analysis and maintenance.
On 2019-07-03 11:03:42 in Technology
Keyboard, mouse interface circuit analysis and maintenance. ...
How to detect the potentiometers?
On 2019-07-02 16:15:02 in Resistors
This article describes the Method of detecting potentiometers ...
How to use the OTC700 series automobile digital multimeter to text the rotation speed and duty?
On 2019-04-24 11:39:47 in Knownlege
This article describes the use of OTC700 series automobile digital multimeter to text the rotation speed and duty ...
Classification of integrated circuits
On 2019-01-04 13:39:20 in IC Chips
This article introduces two ways to Classify the integrated circuits ...
Network card chip and interface circuit analysis and maintenance.
On 2019-07-04 17:53:41 in IC Chips
This article briefly introduces the Network card chip and interface circuit analysis and maintenance. ...
How to detect the fixed resistors by multimeter?
On 2019-06-14 16:19:00 in Resistors
This article describes the method of detecting fixed resistors. ...
Digital multimeter structure and use
On 2019-01-25 17:58:18 in Knownlege
This article describes the digital multimeter structure and use ...
What is a universal bridge?
On 2019-01-05 10:24:47 in Knownlege
This article introduces the universal bridge. ...
Identification of Fixed Resistors
On 2018-12-15 14:11:23 in Resistors
This article writes about the identification of Fixed Resistors ...
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. ...
L298N DC motor drive chip.
On 2020-05-05 10:28:09 in Generally electronic semiconductor
This article describes the characteristics of the L298N DC motor drive chip. ...
What are the functions of the universal bridge instrument knobs and switches?
On 2019-01-27 14:53:54 in Knownlege
This article describes the functions of the universal bridge instrument knobs and switches . ...
What are the selection criteria for capacitance, resistance, and inductance?
On 2021-06-30 11:30:29 in Generally electronic component
This article describes the characteristics of the capacitance, resistance, and inductance. ...
Methods and tools for PCBA testing and debugging
On 2023-07-21 13:48:08 in PCBA
PCBA (Printed Circuit Board Assembly) testing and debugging are key steps to ensure board functionality and performance. This article will introduce the basic methods and common tools of PCBA testing and debugging, including functional testing, electrical ...