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LED driving technology principles and characteristics of ultra-bright LEDs
The figure below is the relationship curve between forward voltage drop (VF) and forward current (IF). From the curve, we ...[Details]
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When I was writing the stm32 basic library recently, I found a problem. There is an event register in the external interrupt, but I still don't understand what it is used for. I checked it online and ...[Details]
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1 Overview The switching power supply for LED is a single-output AC-DC external power supply powered by the mains power supply and with a rated voltage not exceeding 600V. The environment ...[Details]
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3. Active probe
Let's first look at the impact of using a 600MHz passive probe and a 1.5GHz active probe to test a 1ns rise time step signal. Use a pulse generator to generate a 1ns step si...[Details]
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AT89C52 is a low-voltage, high-performance CMOS 8-bit microcontroller. It contains 8k bytes of rewritable Flash read-only program memory and 256 bytes of random access data memory (RAM). The device...[Details]
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On the evening of June 2, Huawei officially released HarmonyOS 2 and a number of new products equipped with HarmonyOS 2. This also means that "mobile phones equipped with HarmonyOS (Hongmeng)" have b...[Details]
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Today is the era of intelligence. Our lives are full of all kinds of smart products. In some restaurants, robots even take orders and serve dishes. Technology has changed our way of life. However, wi...[Details]
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Solid-state lighting (SSL) or light-emitting diode (LED) lighting is the obvious replacement for incandescent and FL/CFL lighting, driven by government regulations, high efficiency, long life, and...[Details]
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Xiaomi has previously announced that it will hold a spring new product launch conference on the evening of March 29, and will launch the Xiaomi 11 Pro and Xiaomi 11 Ultra, which are known as th...[Details]
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1. Introduction
1.1 Overview of domestic and international development
Intelligent distance measurement systems have a certain level of research in China and are mostly used in the automotive ind...[Details]
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Radio engineering applications require not only the measurement of harmonics in RF signals, but sometimes the determination of the total harmonic distortion (THD) of audio signals. RF signals may be ...[Details]
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The home gateway is the core component of the embedded smart home system, and the designed wireless transceiver module circuit is a part of the home gateway. The principle and design method of the ...[Details]
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button #include "ioCC2530.h" //The names of some registers defined in the header file can only be used after the header file is introduced. #define D3 P1_0 #define D4 P1_1 #define D5 P1_3 #define D6 ...[Details]
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The need to deliver complex styling while meeting vehicle-specific requirements and region-specific regulations has increased the complexity of the optical design process. This has led to an increa...[Details]
MicroPython Open Source section
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