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 ...
Board soldering considerations
On 2018-12-11 13:46:32 in Technology
This article describes the board soldering considerations ...
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 ...
Working principle of DC-DC converter
On 2023-03-22 11:50:53 in IC Chips
The basic principle of a DC-DC converter is to use an electrical circuit that contains an inductor, a capacitor, and other components to convert a DC voltage from one level to another. ...
What is the working principle of intelligent colored lights controller?
On 2019-01-28 15:21:12 in Technology
This article writes about the working principle of intelligent colored lights controller ...
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 is a LED emission tube and how to detect it?
On 2018-12-21 14:28:11 in Photoelectric
This article briefly introduces what is a LED emission tube and how to detect it ...
What is an optical coupler and how to measure it?
On 2018-12-15 14:23:34 in Photoelectric
This article introduces what is an optical coupler and how to measure it ...
DC power supply voltage regulator circuit
On 2019-01-05 11:45:23 in Knownlege
This article writes about the DC power supply voltage regulator circuit ...
The structure and properties of quartz crystal elements
On 2018-11-03 13:39:16 in Question
The quartz crystal element is composed of a quartz wafer,a wafer bracket and a case.The role of the quartz crystal element in the circuit is equivalent to a high Q value LC resonant element ...
What is an optical coupler?
On 2018-10-27 10:41:35 in Memory
Optical coupler also known as photoelectric isolator,referred to as optocoupler. Optical couplers use light as a medium to propagate the Telecom number ...
How to realize energy-saving AC drive system of electric vehicle based on boost DC-DC bidirectional converter and inverter?
On 2021-07-23 10:42:32 in Transformer
This article describes the characteristics of the converter. ...
Electrical parameters and CMOS circuit of TTL circuit
On 2018-08-23 11:21:20 in Sensor
the load capacity of the circuit, that is, the fan out coefficient, should be considered so as not to affect the normal operation of the circuit. ...
Analysis of the working principle of UP6103 chip.
On 2019-05-29 16:15:45 in IC Chips
This article describes the analysis of the working principle of UP6103 chip. ...
What is the priciple of the digital tube?
On 2019-01-22 16:49:17 in Photoelectric
This article describes the basic principles of the digital tube ...
Do you know the electronic filter mapping methods?
On 2019-12-13 10:51:15 in Capacitors
This article describes the characteristics of the electronic filter. ...
What is a differential signal, why use amplifier circuit ?
On 2019-09-29 10:14:16 in Generally electronic component
This article describes the characteristics of the amplifier. ...
Piezoelectric Vibration Module
On 2023-03-22 13:36:27 in IC Chips
The PEC vibration module is an IC Chip that provides enhanced flexiblity and performance, with its ability to detect, measure and generate audio vibrations, as well as its high durability and energy efficiency. ...
How many of the 6 characteristic parameters of capacitors do you know?
On 2023-03-07 16:54:04 in Capacitors
Capacitors are commonly used in electrical components and circuits for their ability to store and control charge, provide low impedance and high voltage withstanding capacity, self-discharge, and be temperature insensitive. ...
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. ...
The trend of PCBA contract labor and material processing direction
On 2023-07-10 11:33:19 in PCBA
The PCBA (Printed Circuit Board Assembly) subcontracting labor and material processing mode has been widely used in the electronics manufacturing industry. Due to its advantages of high efficiency, convenience and cost reduction, it has become the mainstr ...
Maxim MAX17201 Single-Cell Standalone Fuel Gauge IC
On 2023-03-01 15:31:52 in IC Chips
Maxim MAX17201 is an affordable, standalone fuel gauge for single-cell Li-ion batteries providing high accuracy, up to 20 years of battery life and integrated LCD display. ...
What are the common gate circuits?
On 2019-03-27 12:00:28 in IC Chips
This article briefly introduces some common gate circuits. ...
What is the current status of sensorless control technology for permanent magnet synchronous motors?
On 2023-12-25 17:09:12 in Sensor
This article describes the characteristics of the motors. ...
What is the working principle of water tank water level automatic controller ?
On 2019-01-23 17:14:25 in Knownlege
This article writes about the working principle of water tank water level automatic controller ...
What is the magnetron of the microwave oven and how does it works?
On 2018-12-20 15:01:50 in Knownlege
This article introduces the functional characteristics, working principles of the continuous wave force air-cooled magnetron used in the microwave oven. ...
How to detect the Field effect transistor quality and replace the bad one ?
On 2019-03-23 11:36:39 in Generally electronic semiconductor
This article writes about the detection and replacement of Field effect transistor quality ...
How to judge a capacitor is good or bad and replace the bad one?
On 2019-03-11 12:00:02 in Technology
This article describes the method to judge a capacitor is good or bad and replace the bad one ...
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 is the distributed optical fiber sensing technology?
On 2024-01-11 14:47:17 in Sensor
This article describes the characteristics of the optical fiber sensing technology. ...
Pin identification and detection method of LED digital tube
On 2019-01-05 12:09:49 in Photoelectric
This article describes the pin identification and detection method for LED digital tube ...
The identification of model and pin
On 2018-11-01 16:51:26 in Relays
Because the number of LED digital tube is not unified,it can be said that there are no rules to follow ...
How to make a simple buck controller?
On 2021-08-28 10:56:53 in Generally electronic semiconductor
This article describes the characteristics of the controller. ...
CMOS circuit composition and working principle.
On 2019-05-30 14:45:14 in Generally electronic semiconductor
This article introduces the CMOS circuit composition and working principle ...
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 a triode and how to identify its pin?
On 2019-01-21 16:50:52 in Knownlege
This article describes what is a triode and how to identify its pin ...
Photosensitive resistor and photosensitive transistor
On 2018-12-29 15:34:08 in Photoelectric
This article describes the photosensitive resistor and photosensitive transistor ...
What is the detection principle of the optical fiber sensor?
On 2021-02-27 10:46:10 in Sensor
This article introduces the detection principle of optical fiber sensors. ...
What is the detection principle of fiber optic sensors?
On 2021-01-30 10:58:15 in Sensor
This article introduces the detection principle of fiber optic sensors. ...
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. ...