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　　Multimeters are generally used to test whether there is a short circuit in the electrical wiring at home or whether there will be leakage, or to test which wire has power. 　　If you want to check ...[Details]

The main circuit topology of the full-bridge bidirectional current source high-frequency link inverter is shown in Figure 1. It consists of three parts: a high-frequency inverter, a high-frequency ...[Details]

“If you think you have it all figured out, you’re not going fast enough.” — Mario Andretti   Over the years, automobile manufacturers have been challenged by the need for more power. In the early da...[Details]

I recently heard a statement that the digital loop is identical to the analog loop at the output of a power converter . The statement goes like this: “To the end user, a power supply that uses a ...[Details]

According to news on the morning of December 15, Xiaomi Group recently released its first intellectual property white paper. The white paper disclosed that as of September 30, 2022, Xiaomi had more t...[Details]

The recent test involves the modification of the low-level serial port code. After this modification, I suddenly realized that I was not very clear about some characteristics of the serial port befor...[Details]

    Home is a microcosm of the city. As long as the light at home is on, you will forget all your worries. So, can you move the entire city into your home? 　　This is the new design brought by Dutch...[Details]

TIMER0 counting working mode program in MODE2           org        00h            jmp        star start: MOV sp,#60h ;Set stack            MOV scon,#50h ;UART works in mode1            MOV tmod,#20h ...[Details]

Program features: 1. Enumerate the STM32 USB as a HID device. 2. STM32 uses 3 endpoints, endpoint 0 is used for enumeration, and endpoints 1 and 2 are used for data transmission and reception. 3. T...[Details]

Siemens commonly used PLC instruction table Calculates the time difference between the current time and the time provided by IN and stores the time difference in ouT. The maximum time interval...[Details]

The following figure is a typical schematic diagram of the design of a small Bluetooth speaker. Its main components are: 　　(1) The receiving module uses an OVC Bluetooth module, which has the advan...[Details]

Specific function implementation Before placing the obstruction on the HC-SR04, the distance between the ultrasonic module and the obstruction can be displayed on the 4-digit digital tube; if the dis...[Details]

Pointer-type mechanical multimeter, from the perspective of its structure, the meter head is a highly sensitive magnetoelectric microampere DC current meter head. The commonly used magnetoelectric mi...[Details]

In the electronics market, we often hear people say that they are engaged in electronic components. Do electronic components refer to the commonly seen diodes and triodes? Adjustable potentiometers? ...[Details]

01 Information security requirements This chapter mainly introduces the information security requirements from four aspects: hardware security, system security, communication security, an...[Details]