How much do you know about RS-422 and RS-485?
On 2022-03-08 10:43:00 in Knownlege
This article describes the characteristics of the RS-422 and RS-485. ...
What's the difference between power supply and signals on the motherboard?
On 2019-03-07 11:19:11 in Knownlege
This article briefly introduces the difference between power supply and signals on the motherboard? ...
What are the characteristics of the smartphone?
On 2019-02-14 11:16:20 in Knownlege
This article briefly introduces the characteristics of the smartphone ...
Insulation resistance
On 2018-12-11 14:12:15 in Knownlege
This article briefly introduces insulation resistance ...
Computer motherboard resistance, capacitance
On 2018-12-08 11:11:23 in Knownlege
This article writes about the different roles of capacitors and resistors ...
What is the definition and major categories of low-voltage electrical appliances?
On 2019-05-23 11:55:08 in Knownlege
This article briefly introduces the definition and major categories of low-voltage electrical appliances ...
What kind of garbage is used battery and what harm?
On 2021-06-26 10:53:01 in Knownlege
This article describes the characteristics of the battery. ...
The platinum used in Bosch's new fuel cell
On 2019-06-03 14:57:42 in Knownlege
The platinum used in Bosch's new fuel cell will be one-tenth the platinum used in existing fuel cell vehicles. It is expected to be launched in 2022. ...
What is the fake load?
On 2019-04-11 11:33:01 in Knownlege
This article briefly introduces the fake load. ...
What are the classification of digital multimeter?
On 2019-02-15 13:48:08 in Knownlege
This article describes the classification of digital multimeter. ...
Digital multimeter structure and use
On 2019-01-25 17:58:18 in Knownlege
This article describes the digital multimeter structure and use ...
What are the risks in data backup?
On 2021-04-20 10:36:54 in Knownlege
This article describes the characteristics of the data backup. ...
How to use the OTC700 series automobile digital multimeter correctly.
On 2019-04-18 14:24:01 in Knownlege
This article briefly introduces the use of OTC700 series automobile digital multimeter. ...
What issues should pay attention to before using the multimeter?
On 2019-02-14 11:23:38 in Knownlege
This article introduces some issues should pay attention to before using the multimeter ...
The difference between mobile phone capacitance and inductance
On 2018-12-10 11:38:02 in Knownlege
This article writes about the different between mobile phone capacitance and inductance ...
Type and function of time relay
On 2018-12-08 10:45:33 in Knownlege
This article briefly introduces different type and function of time relay ...
Enhanced power devices open the way for high-voltage applications
On 2018-12-27 10:28:19 in Knownlege
This article briefly introduces the enhanced power devices open the way for high-voltage applications ...
How to set parameters of the inverter?
On 2019-05-25 14:01:42 in Knownlege
This article describes how to set parameters of the inverter ...
What is the working principle of ISL6545 chip?
On 2019-04-25 10:59:37 in Knownlege
This article analyze the working principle of ISL6545 chip ...
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 ...
What is a resistor?
On 2018-12-14 13:26:07 in Knownlege
This article describes what is a resistor ...
What are the features and use note of CMOS circuit?
On 2019-01-09 14:07:06 in Knownlege
This article describes the features and use note of CMOS circuit ...
Do you know how to design electromagnetic compatibility?
On 2019-08-23 15:57:39 in Knownlege
This article describes the characteristics of the electromagnetic compatibility. ...
How to select and maintain fixed resistors?
On 2018-12-14 14:25:13 in Knownlege
This article describes how to select and maintain fixed resistors ...
Various pliers
On 2018-12-04 10:07:18 in Knownlege
This article describes the various pliers and their role ...
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. ...
What is a four-way solenoid directional valve?
On 2019-01-05 13:53:56 in Knownlege
This article describes the role of the four-way solenoid directional valve ...
Control power,power supply and chassis power supply
On 2018-12-11 11:23:56 in Knownlege
This article writes about the different roles of control power,power supply and chassis power supply ...
Intel single Bridge Motherboard bus Power supply Analysis.
On 2019-06-11 14:59:42 in Knownlege
This article describes the Intel single Bridge Motherboard bus Power supply ...
LEDVANCE announces that it will close a factory in the US
On 2019-05-15 13:21:34 in Knownlege
This article describes that LEDVANCE will close a factory in the US ...
What are the processing methods of adverse contact phenomenon during using pointer multimeters?
On 2019-02-15 14:01:34 in Knownlege
This article briefly introduces the processing methods of adverse contact phenomenon during using pointer multimeters. ...
The surface components welding points
On 2019-01-15 13:25:53 in Knownlege
This article describes the surface components welding points ...
Why a HOT-SPARE Hard Disk is a bad idea
On 2018-12-29 11:10:45 in Knownlege
This article describes the reason of a HOT-SPARE Hard Disk is a bad idea ...
Environmental Influence on Terminal Blocks
On 2018-12-26 10:47:54 in Knownlege
This article briefly introduces environmental influence on terminal blocks ...
Classification of sensors in the car and the impact of the broken sensor
On 2018-12-10 13:50:32 in Knownlege
This article briefly introduces classification of sensors in the car and the impact of the broken sensor ...
Main cell phone sensor
On 2018-12-06 10:44:40 in Knownlege
This article describes the role of different mobile phone sensors. ...
Transformer and inverter
On 2018-12-05 11:07:52 in Knownlege
This article writes about the different roles of transformers and inverters. ...
Classification of traverse
On 2018-10-30 11:53:32 in Knownlege
And the following is a single strand;the section area of 10mm'is more than one strand,and several strands or dozens of strands are twisted together to form a root, which has 7 shares,19 shares,37 shares and so on. ...
CPU power supply circuit fault maintenance method.
On 2019-04-09 11:23:30 in Knownlege
This article briefly introduces the CPU power supply circuit fault maintenance method. ...
How to synthesize phosphor?
On 2019-01-15 11:35:30 in Knownlege
This article briefly introduces three ways to synthesize phosphors ...