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Preface Semiconductor lighting is a technological revolution in this century. From the perspective of technological maturity, it is still a baby. Although LED high-power white light technology...[Details]
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The sine wave synthesis uses the simplest timer scanning code table. The internal DAC is only 5 bits, so the waveform is average. If an RC filter is added, it should be okay! In addition to the ...[Details]
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The MAX2640 low-cost, ultra-low-noise amplifier (LNA) operates in the basic frequency range of 400MHz to 2500MHz. This device can also be used in wireless car key systems at 315MHz. Tests show that...[Details]
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A CC2430 wireless transceiver module based on IEEE802.15.4 is mainly used to complete wireless communication between network nodes and between nodes and gateway nodes. The core part is a CC2420 RF ...[Details]
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Phorism with 12V
R1 = 27 KOhm 1/4W
Q1,2 = BC 548
C1,2 = 15 nF polyester
R2 = 1,2 ΚOhm 1/4W
Q3 = 2N2219
C3 = 47 nF ceramic
R3 = 27 ΚOhm 1/4W
Q4 = 2N3055
R...[Details]
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LED is divided into two structures: common anode and common cathode, as shown in Figure 1 (b) and Figure 2 (c). If it is a common anode structure, the digital display (a~g) is effective when a low ...[Details]
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The voice output circuit of the smart car is shown in the figure. Among them, VDDH is the reference voltage and VSS is the analog ground of the system. The audio signal is sent to the 9th terminal of ...[Details]
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Default configuration after reset: After reset, all pins are in floating input mode. However, a few pins may have a different behavior. Refer to the datasheet pinout description for all details. Wh...[Details]
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1 Introduction
The boot program in a PC is generally composed of BIOS and OS Bootloader (such as LILO or GRUB) located in MBR. However, in embedded systems, there is usually no firmware program li...[Details]
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Hengyang's ordinary highway charging station has achieved a breakthrough! On January 5, the new energy charging station at the Dongyangdu Highway Service Area on National Highway G107 was offic...[Details]
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On November 10, the 29th China Integrated Circuit Design Industry 2023 Annual Conference and Guangzhou Integrated Circuit Industry Innovation and Development Summit Forum (ICCAD 2023) officially kick...[Details]
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A similar version of this article appeared in the October 2008 issue of Power Electronics Technology magazine.
Introduction
With a 1.2A current limit one would think that a circuit-protection...[Details]
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As a representative of the new generation of information technology, big data has begun to be applied in industrial design, research and development, manufacturing, sales, services and other links,...[Details]
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Enovix Corporation, a US lithium-ion battery developer, recently announced that it has received $45 million in new funding to produce and commercialize its "3D silicon lithium-ion battery". The compa...[Details]
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1. Kernel modification
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Make the Bluetooth core into a module.
And configure as follows,
Blueto...[Details]
Microcontroller MCU
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