The problem of CPLD driving MAX7219

On 2023-03-15 13:45:13  in IC Chips

The problem of CPLD driving MAX7219

CPLD is used to drive MAX7219 IC, making it possible to control up to 64 individual LEDs with minimal control pins from a controller. It is simpler to program and has higher speed than microcontrollers. ...

What are the requirements for NDIR carbon dioxide sensor used in incubator?

On 2023-08-16 18:00:15  in Sensor

What are the requirements for NDIR carbon dioxide sensor used in incubator?

This article describes the characteristics of the NDIR carbon dioxide sensor. ...

What are MEMS semiconductor components?

On 2023-08-10 11:29:47  in Filter

What are MEMS semiconductor components?

This article describes the characteristics of the MEMS semiconductor. ...

What is the system structure of virtualized storage?

On 2021-05-26 10:37:32  in Crystals Oscillators/Resonators

What is the system structure of virtualized storage?

This article describes the characteristics of the virtualized storage. ...

What is the EMC filter rectification six-step method?

On 2019-12-04 10:46:17  in IC Chips

What is the EMC filter rectification six-step method?

This article describes the characteristics of the filter. ...

Electromagnetic interference of LED drive power

On 2019-06-13 16:11:37  in Generally electronic semiconductor

Electromagnetic interference of LED drive power

This article writes about the electromagnetic interference of LED drive power ...

How to measure 0 ohm resistor?

On 2019-06-05 18:15:37  in Resistors

How to measure 0 ohm resistor?

This article describes the measurement of 0 ohm resistor ...

What are the signal letters on mainboard?

On 2019-03-14 11:26:47  in IC Chips

What are the signal letters on mainboard?

This article briefly introduces some signal letters on mainboard ...

Some common inductor types

On 2019-01-14 14:09:05  in Inductor

Some common inductor types

This article briefly introduces some common inductor types ...

How to layout components when design a printed circuit board?

On 2019-01-14 13:39:47  in Knownlege

How to layout components when design a printed circuit board?

This article describes the layout design of printed circuit boards ...

What is a universal bridge?

On 2019-01-05 10:24:47  in Knownlege

What is a universal bridge?

This article introduces the universal bridge. ...

Enhanced power devices open the way for high-voltage applications

On 2018-12-27 10:28:19  in Knownlege

Enhanced power devices open the way for high-voltage applications

This article briefly introduces the enhanced power devices open the way for high-voltage applications ...

Identification of Fixed Resistors

On 2018-12-15 14:11:23  in Resistors

Identification of Fixed Resistors

This article writes about the identification of Fixed Resistors ...

Types and detection methods of switching devices

On 2018-11-01 16:57:50  in Relays

Types and detection methods of switching devices

The switch is the component that completes the electrical connection and disconnection through a certain action,which is generally connected in series to realize the transmission and control of signal and electric energy ...

How to do the best EMC design of PCB?

On 2020-08-27 10:31:47  in IC Chips

How to do the best EMC design of PCB?

This article describes the characteristics of the PCB. ...

More Chip Production Moves to 300mm Wafers

On 2023-02-24 14:36:17  in IC Chips

More Chip Production Moves to 300mm Wafers

Mitsubishi Chemical and Dow Corning have developed new processes to improve the production yields of 300mm μ-SiC wafers, enabling the manufacture of more, smaller, and faster integrated circuits. ...

What are the applications of CO2 sensors in greenhouse agriculture and vertical agriculture?

On 2023-08-09 18:05:12  in Sensor

What are the applications of CO2 sensors in greenhouse agriculture and vertical agriculture?

This article describes the characteristics of the CO2 sensors. ...

What wrong data backup methods are fatal?

On 2021-05-15 10:56:34  in Generally electronic semiconductor

What wrong data backup methods are fatal?

This article describes the characteristics of the data backup. ...

What performance indicators does it have for hard drives?

On 2020-09-18 10:15:18  in Generally electronic semiconductor

What performance indicators does it have for hard drives?

This article describes the characteristics of the hard drives. ...

Some basic considerations and failure analysis of the connector

On 2019-07-05 16:25:55  in Connector

Some basic considerations and failure analysis of the connector

This article describes some basic considerations and failure analysis of the connector ...

Analysis on the related knowledge of RJ45 connector

On 2019-05-14 14:29:22  in Connector

Analysis on the related knowledge of RJ45 connector

This article write about the Analysis on the related knowledge of RJ45 connector ...

What are the parameters of power transformer?

On 2019-01-09 16:01:29  in Transformer

What are the parameters of power transformer?

This article describes the parameters of power transformer ...

What is an Integrated Operational Amplifier?

On 2019-01-07 17:33:42  in Knownlege

What is an Integrated Operational Amplifier?

This article describes the Integrated Operational Amplifier ...

What is the high-power VMOS field effect transistor and how to detect it?

On 2018-12-25 11:24:29  in Generally electronic semiconductor

What is the high-power VMOS field effect transistor and how to detect it?

This article writes about the high-power VMOS field effect transistor ...

What is the role of the power tube?

On 2018-12-01 11:43:01  in Technology

What is the role of the power tube?

This article describes the role of the power tube ...

The resistance between 2E and C

On 2018-10-27 11:00:40  in Relays

The resistance between 2E and C

The resistance between 2E and C.Silicon tube is almost infinite size power pin tube in the tens of thousands of euros,high-power wrong tube in the hundreds of Europe.If the measured resistance is zero ...

How to choose the drive resistance in the triode analog circuit?

On 2019-09-28 10:43:01  in Technology

How to choose the drive resistance in the triode analog circuit?

This article describes the characteristics of the drive resistance. ...

How to apply self-interrogation and diagnostic functions to ensure the integrity of sensor data?

On 2021-05-31 10:42:42  in Sensor

How to apply self-interrogation and diagnostic functions to ensure the integrity of sensor data?

This article describes the characteristics of the sensor. ...

How to make a simple buck controller?

On 2021-08-28 10:56:53  in Generally electronic semiconductor

How to make a simple buck controller?

This article describes the characteristics of the controller. ...

What is the working principle of various buck regulators?

On 2021-07-13 10:55:40  in Transformer

What is the working principle of various buck regulators?

This article describes the characteristics of the regulators. ...

What is COB?

On 2019-01-02 15:26:57  in Technology

What is COB?

This article writes about the COB ...

12V battery level indicator circuit (LED bargraph)

On 2018-12-20 11:55:33  in Generally electronic component

12V battery level indicator circuit (LED bargraph)

This article briefly introduces 12V battery level indicator circuit (LED bargraph) ...

What is the principle of patch miniature FM radio?

On 2019-01-12 13:42:13  in Knownlege

What is the principle of patch miniature FM radio?

This article briefly introduces the principle of patch miniature FM radio. ...

What is the working principle of the bias circuit in the triode amplifier circuit?

On 2019-10-17 10:02:01  in Knownlege

What is the working principle of the bias circuit in the triode amplifier circuit?

This article describes the characteristics of the triode amplifier. ...

Four wave soldering daily maintenance and maintenance knowledge

On 2018-10-30 11:01:43  in Relays

Four wave soldering daily maintenance and maintenance knowledge

Four wave soldering daily maintenance and maintenance knowledge 1 regularly check the heating pipe voltage is normal,too high voltage will damage the heating pipe. ...

HDMI interface circuit analysis and fault maintenance.

On 2019-07-02 16:17:23  in Connector

HDMI interface circuit analysis and fault maintenance.

This article writes about the HDMI interface circuit analysis and fault maintenance. ...

Several chips on computer motherboard

On 2019-02-12 17:09:53  in IC Chips

Several chips on computer motherboard

This article writes about several chips on computer motherboard ...

Remote Control Circuit Through Radio Frequency Without Microcontroller

On 2018-12-21 11:31:17  in IC Chips

Remote Control Circuit Through Radio Frequency Without Microcontroller

This article briefly introduces the remote control circuit through radio frequency without microcontroller ...

What is a counter and its classification

On 2018-12-15 15:15:54  in IC Chips

What is a counter and its classification

​This article writes about the counting and its classification ...

What is the role of wireless charging technology for electric vehicles?

On 2023-07-13 11:27:54  in Filter

What is the role of wireless charging technology for electric vehicles?

This article describes the characteristics of the wireless charging technology. ...