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ON Semiconductor expands Bluetooth low energy microcontroller (MCU) family to automotive wireless applications NCV-RSL15 combines the industry's lowest power consumption and the latest security encr...[Details]
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Hardware System Design of High Precision DC Micro-resistance Tester
This chapter mainly designs the hardware system of the high-precision micro-resistance DC tester. The following focuses on the in...[Details]
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51 MCU ADC0809 voltmeter (12864 display, program + simulation) parallel port; 0~5V first normal working diagram above : maximum voltage value above gradual voltage value (maximum to minimum) ...[Details]
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1. Introduction to LiteOS Huawei's LiteOS provides developers with a "one-stop" complete software platform with key capabilities such as lightweight (kernel less than 10k), low power consumption (o...[Details]
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Today we are making an ultrasonic distance measurement module, using SONY's CX20106A to process the received signal, which requires a standard 40KHz square wave. We plan to use the PIC's built-in PWM...[Details]
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According to the latest report from market research firm Canalys, the total shipments of smartphones in the US market in the second quarter of 2020 were approximately 31.9 million units, a year-on-ye...[Details]
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My development environment: Windows 7 32-bit, J-linkv8, a mini2440 development board. Finally, I chose: MDK4.72 version, the latest version of J-ink v8, J-linkARM v4.94.
1) Open Keil uVisi...[Details]
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Here we introduce the most commonly used 4*4 matrix keyboard, and other more keys are expanded on this basis.
The circuit we usually use is as follows. I just drew this picture. Just understand the m...[Details]
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SPI: A 3-wire (some do not have SS line (select master or slave mode)) or 4-wire communication method: MOSI: Master out slave in data line MISO: Master into slave slave da...[Details]
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Six reasons that affect the measurement accuracy of ultrasonic thickness gauges
(1) When the coating thickness is greater than 25 μm, the error is approximately proportional to the coating thicknes...[Details]
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Early hydrological tests on small and medium-sized rivers generally used manually operated hydrographic cable test systems, which required long operation times, high labor intensity, and large subj...[Details]
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introduction As a kind of lifting and transportation equipment for people, elevators are widely used in various places. It is very important to ensure the safety and reliability of elevators. Accordi...[Details]
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The internal pull-up and pull-down resistors have a typical resistance of 40K ohms. Check 5.3.12 I/O port pin characteristics of STM32F103x6/STM32F103x8/STM32F103xB DATASHEET as follows: The red b...[Details]
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High-power compensated power voltage stabilization system is the main voltage stabilization power supply equipment in telecommunications, electricity, transportation, chemical industry, finance, medic...[Details]
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According to market news on October 21, BYD intends to integrate its self-developed intelligent driving team under the New Technology Institute, with the goal of achieving mass production of self-d...[Details]
Analog electronics
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