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 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. ...
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 ...
What is the types and role of flux?
On 2019-01-27 15:02:59 in Knownlege
This article writes about the types and role of the flux ...
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. ...
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. ...
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. ...
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. ...
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 ...
How to repair the reset circuit?
On 2019-05-05 14:17:25 in Knownlege
This article describes the Repair method for reset circuit failure. ...
Pre-welding preparation
On 2018-12-10 14:05:13 in Knownlege
This article describes the preparation of pre-welding ...
Digital multimeter structure and use
On 2019-01-25 17:58:18 in Knownlege
This article describes the digital multimeter structure and use ...
Design dimensions of printed conductors and holes for pad
On 2018-12-13 11:19:14 in Knownlege
This article introduces the design dimensions of printed conductors and holes for pad ...
Thermal management in displays is not just heating components
On 2019-05-10 13:56:42 in Knownlege
This article writes about the thermal management in displays. ...
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. ...
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. ...
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 ...
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 ...
Process document
On 2018-11-01 13:44:45 in Knownlege
process route list.The process route table is used for the arrangement and scheduling of product production,which reflects the whole process of product preparation from blank to finished product ...
What are the welding materials and the selection of solder?
On 2019-01-27 14:47:56 in Knownlege
This article writes about the welding materials and the selection of solder ...
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. ...
How to choose the switch of the mechanical multimeter when measuring different parameters?
On 2019-01-27 14:57:27 in Knownlege
This article describes how to choose the switch of the mechanical multimeter when measuring different parameters ...
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. ...
How to check if the circuit is open with using a multimeter?
On 2019-02-20 11:00:54 in Knownlege
This article briefly introduces some mthods for checking if the circuit is open with using a multimeter. ...
Relationship between luminescent Properties of laino3 xsm Phosphors and concentration of SM
On 2019-01-14 10:56:40 in Knownlege
This article describes the relationship between luminescent Properties of laino3 xsm Phosphors and concentration of SM ...
What is the principle of patch miniature FM radio?
On 2019-01-12 13:42:13 in Knownlege
This article briefly introduces the principle of patch miniature FM radio. ...
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 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 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 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 ...
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 ...
Headphones in Audio Industry Facing Changes
On 2018-12-25 15:09:01 in Knownlege
This article briefly introduces the headphones in audio industry facing changes ...