The output voltage rises, the cathode voltage of TL431 drops, the P tube is turned on, and the output voltage drops.
But doesn't the transistor go directly to the ground when it is turned on? Is there...
[i=s]This post was last edited by jinglixixi on 2021-9-13 17:09[/i]AB32VG1 is equipped with 6 PWM output channels. If PWM is used to control RGB_LED, a breathing light effect can be produced. The pin ...
Here is a flashing light experiment procedure for everyone As shown in the figure below: Connect a light-emitting diode L1 to the P1.0 port , so that L1 is constantly on and off. 2.Circuit diagram Fig...
Sometimes you need to embed some assembly code in a C51 program. In this case, you can use the usual approach: write an assembly function according to the interface between C51 and assembly, and then ...
describe
The LT®3956
is a DC/DC
converter
designed to act as a constant current source and constant voltage regulator. It is ideal for driving high current LEDs. The device ...[Details]
Installation diagram of ultrasonic level meter
As shown in the figure above, the probe of the instrument sends waves that hit the liquid level and then reflects back to the probe. After t...[Details]
Jiwei.com reported on November 24 that based on the existing Samsung patents and concept phones on display, Dutch 3D designer Jermaine Smit collaborated with LetsGoDigital to design a rendering of th...[Details]
As electronic products become more popular, it is not uncommon to see devices that can be powered by multiple power sources . For example, industrial handheld instruments or portable medical diagno...[Details]
According to the latest news, Japanese medical technology organization JBC has officially launched Alibaba Cloud's AI diagnosis technology for COVID-19, which can help doctors quickly screen for COVI...[Details]
1. Problems in the selection of steam flowmeters. Some vortex sensors are selected with a larger size due to changes in process conditions during the selection of caliber or after the design selectio...[Details]
The third China International Import Expo (CIIE) with the theme of "New Era, Shared Future" was held at the National Exhibition and Convention Center in Shanghai from November 5 to 10, 2020. During t...[Details]
Function of the circuit
Phase shift circuit is a circuit that makes the sine wave phase advance or lag. Phase shift circuit can also change SIN wave into COS wave. For 3-phase A...[Details]
With busy daily work, people don't want to do housework when they get home, but it is really distressing to see the hair, food residues, bed bottoms, cabinets and other cleaning on the floor every ...[Details]
In the most recent issue of the Proceedings of the Computer Society, researchers from the University of Texas at San Antonio published a research report titled "Light Ears: Information Leakage via Sm...[Details]
The once-heated litigation war was finally settled by Apple and Qualcomm, and the two parties also signed a multi-year product supply contract. In an interview recently, Qualcomm CEO Steve M...[Details]
Recently, I need to use door magnetic in my project, and I use STM8L051 chip. When using button battery, it is necessary to have low power consumption and energy saving. First, let’s look at the lo...[Details]
High-voltage motor starter cabinet and high-voltage distribution cabinet are two important equipment in the power system. They have obvious differences in structure, function, application, etc.
...[Details]
Analog electronics
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