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. ...
Diode rectifier filter circuit
On 2018-12-13 15:23:19 in Knownlege
This article briefly introduces diode rectifier filter circuit ...
The difference between diode and resistor
On 2018-12-08 11:39:22 in Knownlege
This article writes about the different roles of diode and resistor ...
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. ...
How to detect a diode with using a digital multimeter?
On 2019-02-15 14:09:05 in Knownlege
This article briefly introduces how to detect a diode with using a digital multimeter ...
When using resistance and line on-off test mode of the automotive digital multimeter.
On 2019-04-22 14:33:41 in Knownlege
This article write about when using resistance and line on-off test mode of the automotive digital multimeter.The correct method of choosing gear and connecting detection line is adopted. ...
The relationship between ATX power supply and switching power supply.
On 2019-03-18 16:05:11 in Knownlege
This article briefly introduces the relationship between ATX power supply and switching power supply. ...
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. ...
The operating principle of the Intel dual-bridge G41 chipset motherboard boot circuit.
On 2019-04-17 17:02:11 in Knownlege
This article describes the operating principle of the Intel dual-bridge G41 chipset motherboard boot circuit. ...
What is the Digital / analog multimeter?
On 2019-02-18 16:56:55 in Knownlege
This article describes two common digital / analog multimeter. ...
What is a capacitance meter and how to use it?
On 2019-01-27 14:46:04 in Knownlege
This article writes about the capacitance meter and its use methods. ...
What is a capacitance meter and how to use?
On 2019-01-02 16:16:00 in Knownlege
This article describes the capacitance meter and the use of it. ...
The operating principle of AMD single-bridge A55 chipset motherboard boot circuit.
On 2019-04-26 10:52:17 in Knownlege
This article describes the operating principle of AMD single-bridge A55 chipset motherboard boot circuit. ...
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 ...
What are the method of judging the probable fault position of the pointer multimeter?
On 2019-02-14 11:03:30 in Knownlege
This article briefly introduces the method of judging the probable fault position of the pointer multimeter ...
Transformer and inverter
On 2018-12-05 11:07:52 in Knownlege
This article writes about the different roles of transformers and inverters. ...
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 are the methods for detecting transistors of a multimeter?
On 2019-02-22 13:55:39 in Knownlege
This article describes some methods for detecting transistors of a multimeter ...
Electrooptic devices are just the opposite
On 2018-10-31 11:01:18 in Knownlege
The history of photoelectric technology is actually earlier than that of electronic technology.In early twentieth Century, Einstein won the Nobel prize with the discovery of photoelectric effect ...
What issues should pay attention to when using the multimeter?
On 2019-02-16 10:36:20 in Knownlege
This article introduces some issues should pay attention to when using the multimeter ...
Debugging and Assembly of patch miniature FM Radio
On 2018-12-11 14:03:30 in Knownlege
This article briefly introduces debugging and Assembly of patch miniature FM Radio ...
When do you need to add an I2C isolator at design time?
On 2019-07-02 15:41:18 in Knownlege
This article describes at design time when need to add an I2C isolator ...
How to reduce errors in detecting AC voltages with using a pointer multimeter?
On 2019-02-12 17:11:15 in Knownlege
This article briefly introduces the methods for reducing errors in detecting AC voltages. ...
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. ...
Digital multimeter structure and use
On 2019-01-25 17:58:18 in Knownlege
This article describes the digital multimeter structure and use ...
What should you know before solder?
On 2019-01-12 13:20:48 in Knownlege
This article describes some konwnledge that you should know before solder. ...
Is the LED display a liquid crystal display?
On 2018-12-04 11:19:23 in Knownlege
This article briefly introduces the display liquid crystal display ...
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 ...
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. ...
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 ...
How to make a wireless music doorbell?
On 2019-04-20 13:27:35 in Knownlege
This article describes the production of wireless music doorbell ...
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 . ...
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. ...
What is the welding process of printed circuit board?
On 2019-01-12 11:44:44 in Knownlege
This article writes about the welding process of printed circuit board ...
What is the relationship between the chip and the discrete device?
On 2018-12-11 10:49:57 in Knownlege
This article briefly introduces the relationship between the chip and the discrete device ...
Photoelectric effect
On 2018-12-06 10:21:02 in Knownlege
This article briefly introduces the photoelectric effect ...
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 the structure of a common mechanical multimeter?
On 2019-01-25 16:17:30 in Knownlege
This article writes about the structure of a common mechanical multimeter. ...
How to select external connection mode of printed Circuit Board?
On 2019-01-15 11:19:29 in Knownlege
This article describes the selection of external connection mode of printed Circuit Board ...