Useful Knowledge: Interesting Basic Experiments with Raspberry Pi Pico

Useful Knowledge: Interesting Basic Experiments with Raspberry Pi Pico

Last week, we drew a Raspberry Pi Pico for everyone, and today we have brought some experimental routines. This includes several basic experiments, along with code and results. ▌01 PI Pico Experiment Board The Raspberry Pi Pico Development Board Basic Testing[1] provides basic setup for the PI Pico development board. By installing the Thonny development … Read more

How to Use a Pointer Multimeter for AC and DC Voltage Measurement

How to Use a Pointer Multimeter for AC and DC Voltage Measurement

Click the blue text above to follow us Hello Dear students Our Dou Classroom is back ~ Welcome to this episode So this is how to measure AC and DC voltage with a pointer multimeter! If you can’t watch the video for now, don’t worry! The complete wiring connection steps are right below Want to … Read more

Using a Pointer Multimeter

Using a Pointer Multimeter

A multimeter, also known as a multi-tester or volt/ohm meter, is a multifunctional, multi-range measuring instrument. It is the most basic tool in the field of electronic testing and is widely used; it is a measuring tool that personnel in the electronics industry must master. Multimeters are divided into pointer and digital types. A typical … Read more

Basic Electrical Knowledge: How to Use a Multimeter

Basic Electrical Knowledge: How to Use a Multimeter

A multimeter is a common measuring instrument for voltage, resistance, capacitance, temperature, and more. The digital multimeter is easy to operate, rich in functions, and the display screen directly shows the required measurements for DC voltage, AC voltage, DC current, AC current, resistance, capacitance, etc. Today, we will take the clamp multimeter as an example … Read more

How to Measure Current with a Multimeter

How to Measure Current with a Multimeter

A multimeter is an instrument that can measure various parameters, such as alternating current (AC) or direct current (DC) voltage, AC or DC current, resistance, temperature, capacitance, and more. Modern digital multimeters have adopted digital and logic technologies, becoming smaller in size and featuring more built-in functions. By introducing digital technology, digital multimeters can provide … Read more

Beginner’s Guide to Oscilloscope Usage

Beginner's Guide to Oscilloscope Usage

Oscilloscope, as its name implies, is a machine that displays waveforms, and it is also known as the “eye of the electronic engineer.” Its core function is to display the actual waveform of the measured signal on the screen, allowing engineers to locate problems or evaluate system performance, among other tasks. Its development has also … Read more

Why Are Oscilloscopes So Expensive?

Why Are Oscilloscopes So Expensive?

Oscilloscopes Are Simple Yet Complex! But Why Are Oscilloscopes So Expensive? Most cost thousands or tens of thousands, why are they so expensive? Structure of Digital Oscilloscopes The Reason Oscilloscopes Are Considered Simple Is That An Oscilloscope Is A Test Instrument That Can Display The Dynamic Waveform Of Voltage Signals. An Oscilloscope Converts Time-Varying Voltage … Read more

Exploring Mobile Broadcasting Reconstruction Paths in Connected Vehicles

Exploring Mobile Broadcasting Reconstruction Paths in Connected Vehicles

Written by/ Shi Bin, Tang Mingze Under the impact of television, broadcasting has gained a “revival” due to the popularity of cars, thus broadcasting is also referred to as “media on wheels.” Entering the digital network era, especially with the continuous maturity of 5G network communication technology and Internet of Things technology, the “Internet of … Read more

Mechanism of Epigenetic Inhibitors Combined with ADC in Melanoma Treatment

Mechanism of Epigenetic Inhibitors Combined with ADC in Melanoma Treatment

Antibody drug conjugates (antibody drug conjugate, ADC) are a class of emerging targeted anti-cancer drugs that have shown excellent efficacy in clinical trials against various refractory and metastatic solid tumors. However, the therapeutic effects and potential biological mechanisms of ADC drugs used in combination with other targeted therapies remain unexplored. Recently, Researcher Guo Peng from … Read more

Comprehensive Knowledge of D/A and A/D Converters

Comprehensive Knowledge of D/A and A/D Converters

1. Basic Principles and Classification of D/A Converters T-type Resistor Network D/A Converter: 2. Correspondence between Output Voltage and Digital Quantity 3. Main Performance Indicators of D/A Converters 1. Resolution Resolution refers to the change in the corresponding output analog quantity (voltage or current) when the least significant bit (LSB) of the input digital quantity … Read more