I would like to ask if the STM32L4 chip can be programmed through the microUSB port without using a serial port chip, and which pin should be connected?...
Under the conditions of input voltage 220V, 50Hz, voltage variation range +15% to -15%; a. Output voltage adjustable range: +3V to +15V; b. Maximum output current: 2A; c. Voltage regulation rate ≤0.2%...
I would like to ask the experts, how can I solve the problem that the comments of my IAR program will be garbled when I copy it from Notepad, Word document, Microsoft Visual C++ 6.0, etc.? And if the ...
1. Limiting filter method (also known as program judgment filter method)A. Methods:
Based on experience, determine the maximum deviation allowed for two samples (set as A)
Every time a new value is de...
Help: How to deal with a naughty kid and his mother? I am about to collapse. He lit firecrackers under my TV, grabbed my steering wheel and hit my right turn signal, poured soda directly into the indu...
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
TMC428 is a stepper motor motion controller from TRINAMIC. It can reduce the workload of motor control software design and development costs. The 3-axis stepper motor drive control system based on ...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
If users want to extend the effective use time of the battery, in addition to ensuring the quality of the charger, correct charging techniques are also essential. Here are 14 tips for charging mobile ...[Details]
IP STB interactive services that are constantly updated
The interactive digital content services that can be provided through the television system include television on demand (Vo...[Details]
1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]
We often step over automatic doors in our daily lives. For the most part, we only notice them when they are not working. Swiss automatic door manufacturer Kaba Gilgen, together with the process con...[Details]
0 Introduction
The sense of smell is closely related to human life. In daily life, many industries including tobacco, food, cosmetics, etc. still need human sense of smell to identify and judge samp...[Details]
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