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There are many methods to measure the load resonance frequency of a crystal oscillator, and the direct impedance method is one of them. It uses a network analyzer and is more accurate, convenient, ...[Details]
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In mobile phones and other consumer electronics, white LEDs are increasingly being used as backlight sources for displays. Recently, many product designers hope that the brightness of white LEDs ca...[Details]
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Super Micro Computer, Inc. (Nasdaq : SMCI) , a global leader in enterprise computing, storage, networking solutions and green computing technologies, today announced details of a new multi-node GP...[Details]
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The clamp ammeter is a portable instrument that can measure current without being connected to a circuit. This is very convenient to use when it is inconvenient to remove the wires or the circuit can...[Details]
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So what are the causes of electromagnetic flowmeter errors? (1) The tube is not full of liquid. When there is a small amount of gas in the tube, the measurement result will deviate from the actual va...[Details]
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The pins of stm32 have two uses: GPIO (general purpose io) and AFIO (alternate function io) For some pins (depending on the chip), neither of these two uses exists. For example, in 64-pin products, O...[Details]
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Abstract: This paper introduces the principle of constant voltage electronic load and its application in the performance test of intelligent battery charger.
The load is an indispensable testi...[Details]
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I believe many students have encountered this situation: when you buy a mobile phone that you have been fond of for a long time, you turn it on and find that a bunch of various apps have been install...[Details]
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Causes of LED lamp damage
LED lamp failure comes from the failure of power supply and driver, and the failure of LED device itself. Usually, the damage of LED power supply and driver comes from ove...[Details]
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S3C2440A contains an LCD driver controller. It can automatically generate the control signals required for LCD driver control. Therefore, S3C2440A can directly interface with LCD screens such as blac...[Details]
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On August 9, Infineon Technologies AG launched a new MEMS (Micro Electro Mechanical Systems) scanner solution, which consists of a MEMS rearview mirror and a MEMS driver, enabling new product designs...[Details]
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The windsurfing control system adjusts the wind force and changes the windshield angle θ by controlling the fan speed. The display range is 0°~60°, the resolution is 2°, and the absolute error is ...[Details]
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There is no null statement in the standard C language. However, in C language programming of microcontrollers, it is often necessary to use several null instructions to produce a short delay effect. ...[Details]
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South Korea's Samsung Electronics expects component shortages to affect chip demand from some customers this quarter, according to a Reuters report after it posted its highest quarterly profit in thr...[Details]
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1. Experience:
First, let’s look at an example: Figure 1-1:
The process of compiling and burning:
Screenshot of main.c:
You can see that the first light is turned on...[Details]