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How to build a one-time
burglar alarm
system
The alarm is designed to sound the siren only once. That is - when the alarm is activated - the siren will sound for a preset length...[Details]
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ARM's NEON coprocessor technology is a 64/128-bit hybrid SIMD architecture used to accelerate multimedia and signal processing applications including video encoding and decoding, audio decoding and en...[Details]
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Most people believe that high brightness LED (HBLED) will be the ultimate wise choice for lighting. HBLED manufacturers have significantly increased the number of lumens per watt of their products ...[Details]
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The signal detection circuit is used to detect the change of the amplitude and phase of the signal after it passes through the network under test. The amplitude of the network under test refers to ...[Details]
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1. E-GAS security architecture concept
The purpose of automotive functional safety is to control the risk of personal injury caused by the failure of electronic and electrical systems within a...[Details]
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Based on STM32's virtual multithreading, it can be well used in bare metal programs to simulate the multithreading concept of small operating systems. This example refers to the reference TI_BLE prot...[Details]
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1. Introduction
Microcontrollers generally have internal ROM/EEPROM/FLASH for users to store programs. In order to prevent unauthorized access or copying of the program in the microcontroller,...[Details]
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To prevent unauthorized and accidental adjustment operations, specific steps are required to enter adjustment mode. Different models and series of oscilloscopes may have different methods. Common way...[Details]
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(1) Buck type, which is characterized by high noise, difficulty in filtering, high voltage stress on the power switch tube, and floating control drive level, so it is rarely used.
(2) Boost/buck ty...[Details]
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STM8 has a maximum of 32 interrupt systems. In addition, there is a special interrupt in the external interrupt called TLI non-maskable interrupt, that is, PD7. It does not belong to the D interrupt ...[Details]
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With the rapid development of electronic technology, modern civilian calculators have added a lot of complex operations such as trigonometric functions and power functions in addition to retainin...[Details]
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In-system programmable Flash program memory ATmega8 has 8K bytes of online programming Flash for storing program instruction codes. Because all AVR instructions are 16-bit or 32-bit, the Flash is or...[Details]
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In the first tweet of "You He Bu Ke" introducing driving functions, we have introduced the strength of HoloPilot, independently developed by HoloMatic Technology, on structured roads such as highways...[Details]
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This article analyzes several circuits that obtain high power from telephone lines, compares their advantages and disadvantages, and gives the applicable occasions of each circuit. Using telephon...[Details]
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According to foreign media reports, automotive testing solutions provider AB Dynamics has launched the ADAS target Soft Bicycle 360, which is 30% lighter than similar targets and is designed to red...[Details]
Microcontroller MCU
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