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This blog post talks about the issue of choosing the crystal oscillator frequency. First, the calculation formula of AVR serial port baud rate is given: UBRR0 = (F_CPU / (16 * u32_BaudRate)...[Details]
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Preface To understand how a microcontroller runs a program, you first need to understand the composition of a microcontroller. This article takes the 80C51 microcontroller as an example to tell you h...[Details]
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In the current investment environment, the development plans of leading companies in the field of intelligent manufacturing have a strong guiding role in the development direction of the industry. As...[Details]
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introduction
Modern technology has put forward higher requirements for system reliability, and FPGA technology has been widely used in electronic systems, so the testability of FPGA has become very...[Details]
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Since Apple launched AirPods in 2016, the emerging category of split true wireless (TWS) headphones has triggered a new round of incremental market by bringing extreme convenience to consumers and gr...[Details]
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1. General requirements for LED drivers The arrangement of LEDs and the specifications of LED light sources determine the basic driver requirements. The main function of an LED driver is to...[Details]
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CAN initialization process: 1. Check whether it has entered the initialization state. If not, it enters the initialization state. Here, the CANCTL0 and CANCTL1 registers need to be set. 2. Set t...[Details]
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Where does the electric energy of new energy vehicle motors come from? The electric energy of motors is converted by the braking energy feedback system and fed back to the AC power grid for use by ...[Details]
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Vector network analyzer is a kind of electromagnetic wave energy testing equipment. It can measure the amplitude and phase of various parameters of a single-port network or a two-port network. The ve...[Details]
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On November 18, a project with an annual output of 50,000 tons of high-performance ultra-thin copper foil was officially signed and settled in the Sino-Singapore Suzhou-Changzhou High-tech Zone. Acc...[Details]
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BlackBerry (NYSE: BB; TSX: BB) today announced that it will further deepen its strategic collaboration with its partner Baidu. Baidu's high-precision maps will be equipped with the QNX® Neutrino® rea...[Details]
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1. Experimental task (1). There are 16 button matrices composed of 4X4, designed with 16 tones. (2). You can play the music you want to express at will. 2.Circuit schematic diagram 3. System board ...[Details]
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To set the input capture pin, use stvp + stlink to set it, otherwise you cannot enter the interrupt.
Then here is the code:
C language: Code#11818
/*++++++++++++++++++++++++++++++++++++++++...[Details]
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In today's global energy shortage and increasing environmental pollution,
LED
has a broad application space with its energy-saving and environmentally friendly characteristics.
LED lamp...[Details]
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Figure 7 ~ 30V output voltage regulation circuit
Figure 8 is a 7-30V adjustable output integrated voltage-stabilized power supply circuit. The operational amplifier F007 is used as a voltage fol...[Details]
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