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The communication interface of PCF8591 is I2C, so programming must comply with this protocol. The microcontroller initializes PCF8591 by sending a total of three bytes. The first byte is similar to ...[Details]
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Lens Technology released its 2019 semi-annual performance forecast, with a net loss attributable to shareholders of the parent company of 124 million yuan to 170 million yuan, a year-on-year decrease...[Details]
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We can see the pin distribution table in the manual: Related to pin mapping are: RP0~RP31 (bidirectional mapping, can be used as both output mapping and input mapping), a total of 32 pins RPI32~RP...[Details]
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The upper and lower flow limits and flow range when measuring with electromagnetic flowmeter After the electromagnetic flowmeter measurement method is determined, the performance requirements for...[Details]
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Radar level meter is a measuring instrument based on the time travel principle. Radar waves run at the speed of light, and the running time can be converted into a level signal through electronic com...[Details]
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On November 28, it was reported that the Honor 60 series will be released on December 1. The appearance design of the series has been announced. The Honor 60 and Honor 60 Pro seem to be almost identi...[Details]
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AD7705 is a 16-bit Σ-Δ A/D converter launched by AD. The device includes a front-end analog adjustment circuit composed of a buffer and a programmable gain amplifier (PGA), a Σ-Δ modulator, a...[Details]
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If you want to modify your beloved car into a compartment, you need to understand the source of the noise of your car, the source of the noise felt while driving, and the degree of impact, and then ch...[Details]
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Commonly used signal sources in laboratories generally use analog circuits to generate the signals used. Analog circuits have some inevitable shortcomings, such as inconvenience to use, incomplete...[Details]
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Disadvantages of high-power LED lighting: LED driver power supply has extremely poor reliability and high heat generation. Many LED driver power supplies are burned out, many of which are cau...[Details]
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Because stm32 has 43 interrupt sources, when multiple interrupts are used at the same time, it is necessary to specify the priority of the interrupts.
nvic is the interrupt vector control! It is con...[Details]
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Metal detector is a kind of production equipment used to detect metal impurity fragments in industrial materials. The simplest metal detector consists of two parts, namely the mechanical conveying par...[Details]
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In recent years, with the accelerated integration of new-generation information technology represented by the Internet of Things, cloud computing, big data and artificial intelligence with traditiona...[Details]
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1. Subtraction instruction with borrow SUBB A, Rn; (A) (A)-(Rn)-(C), and the same applies hereinafter. SUBB A, direct SUBB A, @Ri SUBB A, #data Note: Clear C before subtraction, and there is no subt...[Details]
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In industry, it is generally necessary to measure various non-electrical physical quantities, such as temperature, pressure, speed, angle, etc. In addition, electrical physical quantities (referred t...[Details]