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The working principle of infrared photoelectric sensor for measuring the speed of transport vehicles in highway dynamic weighing system is described, and its hardware implementation is introduced.
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TL494 is a voltage-driven pulse width modulator produced by TI. It can be used as a switching power supply circuit in monitors, computers and other systems. The output transistor of TL494 can be conn...[Details]
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This article explains the inherent anti-interference performance of PIC and AVR microcontrollers.
In one of my products, there are two chips, AVR and PIC, at the same time. When AVR drives the r...[Details]
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STC12C5A60S2 Among the many 51 series microcontrollers, the 1T enhanced series of the domestic STC company is more competitive, because it is not only fully compatible with 8051 instructions and pins...[Details]
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With the development of power systems, the height and transmission capacity of overhead transmission lines are constantly increasing. Overhead transmission lines stretch for thousands of kilometers...[Details]
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In order to achieve uniform display effect of OLED and solve the cross effect, the structural characteristics of OLED and the driving characteristics of passive OLED devices are first analyzed, an...[Details]
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An ideal digital-to-analog converter (DAC) has an ideal linear relationship between its output voltage or current and input, and is not affected by other external factors (such as temperature). Of co...[Details]
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The International Solid-State Circuits Conference (ISSCC), known as the "Chip Olympics", is hosted by the IEEE Solid-State Circuits Society (SSCS) and held in San Francisco, USA in February every yea...[Details]
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On May 11, blogger @数码闲聊站 revealed that Xiaomi's next engineering machine will use a dual-curved hole-punch screen solution, codenamed Apollo and Verthandi, with a maximum refresh rate of 120H...[Details]
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Last year, Apple introduced a keyless entry feature in the BMW 5 Series, the first car with this feature. The feature is designed to unlock, lock, and start the vehicle. According to foreign media re...[Details]
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Liquid conductivity effect
Electromagnetic flowmeter uses a liquid with uniform conductivity. When the inner diameter is D and the flow velocity is V in a magnetic field B, the induced potent...[Details]
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The circuit in Figure 1 is a complete PD power supply circuit with a DC-DC converter that can provide up to 0.85A of current at an output voltage of 12V. The MAX5953A has built-in high-side...[Details]
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Abstract: This article demonstrates how to achieve current limit for the MAX1692 PWM step-down regulator by using a MAX4173H current-sense amplifier.
Additional Information:
Quic...[Details]
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The latest report from market research firm Counterpoint shows that due to the impact of the COVID-19 pandemic and economic downturn, global smartphone shipments in the third quarter of 2020 were app...[Details]
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The inverter is a power electronic device widely used in the field of industrial automation. Its main function is to adjust the speed of the motor to meet the needs of different processes and equip...[Details]
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