Licky's Column

Microwave Technology: A Pivotal Force in Modern Science and Industry

by Licky Li

Microwave Technology: A Pivotal Force in Modern Science and Industry

Microwave, a remarkable form of electromagnetic radiation, has emerged as a crucial element in various aspects of modern science and industry. It ...

Implant AI chips into the human body and use sensory control directly

by Licky Li

Implant AI chips into the human body and use sensory control directly

The concept of implanting AI chips into the human body and achieving direct sensory control is a topic that demands careful examination and conside...

Electronics Cheat Sheet

by Licky Li

Electronics Cheat Sheet

Resistors: Color coding to determine resistance value. Used to limit current or create voltage drops. Capacitors: Store electrical energy. ...

Voltage Regulator 78xx

by Licky Li

Voltage Regulator 78xx

The 78xx series is a common family of voltage regulators. Here are some key points about them: The 78xx series provides a fixed positive output vol...

What are the differences between capacitors and inductors?

by Licky Li

What are the differences between capacitors and inductors?

The differences between capacitors and inductors mainly include the following aspects: Function: Capacitors store electrical energy in the form...

220 volt flasher circuit

by Licky Li

220 volt flasher circuit

The circuit typically consists of a capacitor, a resistor, a diode, and a relay or other switching device. The capacitor charges and discharges ...

Electronics component & circuit symbol

by Licky Li

Electronics component & circuit symbol

Resistor: Shown as a zigzag line. Capacitor: A pair of parallel lines. Inductor: A coil-like symbol. Diode: A triangle with a line across it. ...

For students

by Licky Li

For students

Different Types of Sensors

by Licky Li

Different Types of Sensors

Temperature sensors: Used to measure temperature, such as thermocouples and thermistors. Pressure sensors: Measure pressure, like piezoresist...

200W 4-Channel Tda7560 Amplifier

by Licky Li

200W 4-Channel Tda7560 Amplifier

The 200W 4-channel TDA7560 amplifier is a powerful audio amplification solution. It is capable of delivering high-quality sound with four independe...

Why use transistors, Op-amps use less components. TL082 is a dual op amp, and TL094 has 4 op amps. They are symetrical inputs and outputs, once a PCB layout is made for one, copy rotate and paste, and your job is done!

by Licky Li

Why use transistors, Op-amps use less components. TL082 is a dual op amp, and TL094 has 4 op amps. They are symetrical inputs and outputs, once a PCB layout is made for one, copy rotate and paste, and your job is done!

Why use transistors, Op-amps use less components. TL082 is a dual op amp, and TL094 has 4 op amps. They are symetrical inputs and outputs, once a P...

Simple Digital Voltmeter Circuit with PCB using ICL7107

by Licky Li

Simple Digital Voltmeter Circuit with PCB using ICL7107

Circuit part:   The ICL7107 is used as the core chip, which is responsible for converting the input analog voltage into a digital signal. The fron...