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Development Trends and Design Challenges of the Internet of Things Industry
With the development of modern sensor technology and wireless communication technology, the Internet of Thin...[Details]
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introduction
With the improvement of people's living standards, card payment has become one of the commonly used payment methods. In order to ensure the security of card payment, PSAM cards are em...[Details]
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Last night, some IT Home netizens reported that the Xiaomi classmate service on their Xiaomi devices encountered a malfunction and could no longer be used. Xiao Ai has now responded, saying th...[Details]
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The Biden administration reportedly proposed on Thursday to invest $15 billion to build 500,000 electric vehicle charging stations on roads, parking lots and around apartment buildings as par...[Details]
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In the current wireless remote control module market, many use 315M and 433M modules as encoding and decoding solutions.
Reason 1: Low price! About 5 yuan per module, a pair of transceiver modules ...[Details]
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With the entry of luxury brands and joint venture brands, the dominance of domestic brands in the domestic new energy market has been impacted, and how to break through is the challenge faced by dome...[Details]
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First find the circuit diagram of the board, taking LED as an example Next is the circuit's network label: Find the register description in the corresponding chip manual The LED light is opera...[Details]
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When I first started learning about each CPU, I would first study the corresponding assembly instructions. I felt that this would allow me to quickly experience the hardware principles of the CPU, wh...[Details]
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The latest research from market analysis firm Susquehanna Financial Group shows that the chip delivery cycle (the time difference from ordering to delivery) in July increased by more than 8 days from...[Details]
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A digital water temperature control valve based on PIC16C71 single chip microcomputer is designed. The control valve uses NTC thermistor as temperature sensor, and a simple voltage divider circuit is...[Details]
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Some time ago, I analyzed the ARM exception handling mechanism, the related processing automatically completed by the CPU after the exception occurs, and the basic operations that programmers should c...[Details]
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Most operational amplifiers require dual
power
supplies
(positive
and negative
power
supplies), and only a few operational amplifiers can work under single power supply conditions, s...[Details]
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At present, small-scale speed control devices with low requirements, such as plotters, use thyristor phase control to supply DC motors. Dual base transistors are also used to generate pulses. It is n...[Details]
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SUBB A, Rn SUBB A, direct SUBB A, @Ri SUBB A, #data Set (each H, (R2) = 55H, CY = 1, after executing instruction SUBB A, R2, the value in A is 73H. Note: There is no microcontroller subtrac...[Details]
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Constant current source circuit with adjustable output current
Figure 1. Constant current source circuit with adjustable output current
A constant current source circuit can be formed by using...[Details]
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