I would like to ask you, according to the SHT21 instructions, all I2C addresses are the same. If multiple SHT21s are connected, how can multi-point acquisition and control be achieved? Thank you...
I had nothing to do these two days, so I thought of a question: how are cells organized in an orderly manner? According to my current understanding, cells have nuclei, mitochondria, and envelopes. But...
Oscilloscope operators sometimes find such a phenomenon: when using a probe to detect a signal, the measured signal jumps up and down, and the waveform is abnormal. If the afterglow display is used, t...
I saw some AD programs,ADC12CTL0 = MSC + REFON + REF2_5V + SHT0_15 + SHT;In this statement, except REF2_5 is the reference voltage 2.5v, what do the other parts mean? It would be better to be more spe...
Does anyone know how to batch add or modify the footprints of a certain type of similar components (such as all resistors) in a schematic ?
Please let me know if you know, thank you!...
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Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
With the development and application of liquid crystal display technology, more and more developers want to use liquid crystal screens to display Chinese characters in the instruments and equipment th...[Details]
With the reform of the education system, the proportion of funds invested in teaching facilities by colleges and universities has become increasingly important. As the most basic hardware condition fo...[Details]
Pure C51 reset function: A junior student, who makes people love and
fear The single-column reset part is as follows:
main()
{
unsigned char code rst ={0xe4,0xc0,0xe0,0xc0,0xe0,0x32}; ...[Details]
After the development of the single-chip microcomputer application system is completed, the system often freezes at the work site due to noise interference, electromagnetic interference, overvoltag...[Details]
LED display screens need to be controlled by a control system based on an application-specific integrated circuit (ASIC). Companies such as Maxin, Agilent and Toshiba are the world's major manufact...[Details]
When you are sitting in the subway train, feeling the convenience and comfort brought by the underground rail train, at this time, in the control center, the "brain" of the subway, a group of people a...[Details]
DIY/Open Source Hardware
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