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 the working principle of the bias circuit in the triode amplifier circuit?
On 2019-10-17 10:02:01 in Knownlege
This article describes the characteristics of the triode amplifier. ...
How to produce a LED dimming table lamp?
On 2019-01-22 16:51:25 in Technology
This article describes how to produce a LED dimming table lamp ...
What are the advantages of pic microcontroller?
On 2020-05-09 12:01:15 in IC Chips
This article describes the characteristics of pic microcontroller. ...
How to solve some problems of RS-485?
On 2022-03-01 11:32:36 in Connector
This article describes the characteristics of the RS-485. ...
What is the matching method of RS-422 and RS-485 transmission lines?
On 2021-12-30 10:59:47 in Connector
This article describes the characteristics of the RS-422 and RS-485 transmission lines. ...
How to Detect a Universal Three-Terminal Integrated Voltage Regulator?
On 2018-12-15 14:28:23 in Generally electronic component
This article briefly introduces how to Detect a Universal Three-Terminal Integrated Voltage Regulator ...
12V battery level indicator circuit (LED bargraph)
On 2018-12-20 11:55:33 in Generally electronic component
This article briefly introduces 12V battery level indicator circuit (LED bargraph) ...
How to repair and replace the potentiometer?
On 2018-12-18 16:32:39 in Resistors
This article describes the repair and replace of the potentiometer ...
How to use a universal bridge?
On 2019-01-05 11:33:24 in Knownlege
This article describes how to use a universal bridge ...
Specific use of multimeter in ATX power maintenance.
On 2019-04-18 14:50:01 in Knownlege
This article briefly introduces the specific use of multimeter in ATX power maintenance. ...
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. ...
How to judge the quality of the air conditioner temperature sensor?
On 2023-09-09 13:46:56 in Sensor
This article describes the characteristics of the air conditioner temperature sensor. ...
The method of detecting the negative temperature coefficient thermistor NTC.
On 2019-06-10 16:14:34 in Resistors
This article briefly introduces the method of detecting the negative temperature coefficient thermistor NTC. ...
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 ...
How to choose the drive resistance in the triode analog circuit?
On 2019-09-28 10:43:01 in Technology
This article describes the characteristics of the drive resistance. ...
How to use a digital multimeter?
On 2018-12-28 14:41:08 in Technology
This article describes the use methods of digital multimeter. ...
What is the role of the power tube?
On 2018-12-01 11:43:01 in Technology
This article describes the role of the power tube ...
What is a transient voltage suppressor diode ( TVS )?
On 2019-01-02 17:00:45 in Generally electronic semiconductor
This article briefly introduces the transient voltage suppressor diode ( TVS ). ...
What is a negative temperature coefficient thermistor ( NTC )?
On 2018-12-14 14:37:37 in Generally electronic semiconductor
This article describes the features of negative temperature coefficient thermistor ( NTC ). ...
What are the symbols represent in circuit diagram?
On 2019-03-26 11:26:30 in Generally electronic component
This article introduces the symbols represent in circuit diagram ...
What are the current selection and usage methods of lithium battery protection board?
On 2021-05-17 10:54:22 in Generally electronic component
This article describes the characteristics of the lithium battery protection board. ...
IO-Port Expanders Offer Flexibility in MCU-Based Designs
On 2023-02-24 14:17:20 in IC Chips
IO Port Expander ICs provide flexibility in MCU system designs by allowing easy external access to high density of IO channels, enabling adjustments to features such as pull-up/down resistors and drive strengths. ...
What are the RS-422 and RS-485 serial interface standards?
On 2022-02-24 11:00:56 in Connector
This article describes the characteristics of the RS-422 and RS-485 serial interface. ...
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 ...
What is the sensor of the engine electronic control system?
On 2023-11-28 15:23:27 in Sensor
This article describes the characteristics of the sensor. ...
How to use a mechanical multimeter?
On 2019-01-27 14:43:12 in Technology
This article introduces how to use a mechanical multimeter. ...
How to use pointer multimeter and insulation resistance meter to detect the voltage resistance of fixed capacitors and mica capacitors.
On 2019-09-04 10:38:01 in Capacitors
This article describes the characteristics of using pointer multimeter and insulation resistance meter to detect the voltage resistance of fixed capacitors and mica capacitors. ...
What are the constituent characteristics of an electret microphone and how to detect it?
On 2018-12-29 13:15:51 in Generally electronic component
This article writes about the constituent characteristics of an electret microphone and how to detect it ...
Using integrated passive components in the micro-module SIP
On 2018-11-21 11:20:07 in Memory
Integrated passive devices are nothing new in our industry – they have been around for a long time and are well known. ...
What is an infrared receiver?
On 2019-01-02 16:02:03 in Generally electronic semiconductor
This article describes the infrared receiver ...
Maintenance method for memory power supply failure.
On 2019-04-24 11:52:22 in Knownlege
This article writes about the Maintenance method for memory power supply failure. ...
Memory VTT power supply circuit analysis.
On 2019-04-29 10:52:17 in Knownlege
This article describes the Memory VTT power supply circuit analysis. ...
What is the working principle and function of the air conditioning sensor?
On 2023-08-21 17:53:57 in Sensor
This article describes the characteristics of the air conditioning sensor. ...
How to design a common-emitter amplifier circuit?
On 2019-09-09 10:27:12 in Generally electronic semiconductor
This article describes the characteristics of the common-emitter amplifier. ...
How to make DC adjustable power supply?
On 2019-01-22 16:54:34 in Technology
This article describes how to make DC adjustable power supply ...
SATA hard disk interface circuit analysis and maintenance.
On 2019-07-04 17:51:59 in Connector
This article writes about the SATA hard disk interface circuit analysis and maintenance ...
What is a high-power Darlington tube ( module )?
On 2018-10-27 11:25:32 in IC Chips
The high-power Darlington tube is internally connected with a protective device,and the internal structure of the high-power Darlington tube is shown in Figure ...
MCU-Crystal Reset Circuit and Power Supply
On 2023-03-15 13:26:20 in Generally electronic semiconductor
A crystal reset circuit with a carefully chosen power supply is used for providing an exact clock frequency for MCU and filter applications, ensuring accuracy and reliability. ...