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Today, Apple released the public beta version of iOS 14.2, and before that they had just pushed the official version of iOS 14. Judging from the newly pushed public beta version, Apple conti...[Details]
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The assembly starts from org 0000h, so how does Keil C51 start the main() function? Keil C51 has a startup program startup.a51, which is always compiled and linked with the C program. Let's see how i...[Details]
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Manganese, one of the most abundant metals on Earth, could replace expensive cobalt in battery cathodes. Currently, lithium-ion batteries in electric vehicles rely to some extent on cobalt, a blue-gr...[Details]
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Safe obstacle avoidance is a basic problem in mobile robot research. Obtaining the distance between the obstacle and the robot is the premise of studying safe obstacle avoidance. Ultrasonic sensors...[Details]
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This program is the bottom-level C subroutine of the I2C operating platform (master mode software platform), such as sending data
and receiving data, sending response bits,...[Details]
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according to According to a survey by the AAA Foundation for Traffic Safety , adult drivers spend up to 58 minutes behind the wheel each day. Given the time spent commuting or sitting in traffic, i...[Details]
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In recent years , the LED field has seen advances such as high-brightness LEDs (HB-LEDs) , which have been quickly applied to end markets such as automotive, building and street lighting. Moreover , ...[Details]
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STM32 has a built-in temperature sensor, and the voltage of the temperature sensor can be read through the ADC_IN16 channel. A calculation formula is given in the STM32 technical reference manual:
...[Details]
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How to quickly judge whether a field effect tube is good or bad? Set the pointer multimeter to the "RX1K" position and adjust it to zero. The side of the field effect tube with words faces you, fro...[Details]
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Engineers generally believe that switching power supplies will reduce the performance of ADCs, so they are usually willing to choose low-dropout (LDO) linear regulators instead of switching regulator...[Details]
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This circuit produces a very high voltage and must be used with caution to prevent electric shock. The transformer can produce over 1000V and the 8-stage voltage multiplier can produce up to 20KV DC ...[Details]
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Will the wave of "price increases" in March continue to erode the market share of ternary lithium batteries ? No one would have thought that lithium iron phosphate batteries , which were "industry ...[Details]
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The application range of single-chip microcomputers is very wide, and the main application areas are:
(1) Industrial control. Single-chip microcomputers can form various industrial control systems, d...[Details]
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Uboot is a universal free and open source boot program that supports many processors.
The following is an example of modifying a u-boot-1.1.1 version downloaded from the Internet for the at91rm9200 s...[Details]
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Shanghai International Auto Parts, Repair, Inspection and Diagnosis Equipment and Service Products Exhibition
National Exhibition and Convention Center (Shanghai), December 2-5, 2024
...[Details]
Microcontroller MCU
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