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Wu Jianhong said that he would try to share his daily life with MCU. Because he is busy, he will only post his sharing in the post " Wu Jianhong talks about whether learning MCU or embedded system h...[Details]
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According to foreign media reports, on April 28 local time, Imagry announced a partnership with AutonomouStuff to incorporate its technology into AutonomouStuff 's leading autonomous driving technol...[Details]
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NodeMCU implements subscription and publishing topics. 1. Key points literacy 1.1 MQTT 《MQTT Protocol--Introduction and Principles of MQTT Protocol》 《MQTT Protocol--MQTT Protocol Analysis》 1.2...[Details]
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Driven by the trend of smart home, more and more families are choosing smart products to exchange for a more convenient life experience. As the first line of security for the family, door locks are d...[Details]
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According to MacRumors, from now until Earth Day on April 22, Apple plans to donate $1 to the World Wildlife Fund for every Apple Pay transaction made at an Apple Store, through the Apple Store app, ...[Details]
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51 MCU ADC0809 voltmeter (12864 display, program + simulation) parallel port; 0~5V first normal working diagram above : maximum voltage value above gradual voltage value (maximum to minimum) ...[Details]
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IT Home learned that Lenovo Legion Phone officially released a new pre-heating poster. The poster pointed out: "Is 55W really enough?" and said that Lenovo Legion Phone "charges 10% in 15 minu...[Details]
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1 Introduction to WiMAX
The huge demand for wireless access to the Internet and wireless multimedia data services has driven the rapid development of wireless communication technology. Broadband, I...[Details]
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The production principle is shown in Figure 6-16 (a). The light-emitting diode uses a round red diode; the phototransistor is modified from 3A×31. 3AX31 uses a slender cap. Use a file to flat...[Details]
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In order to obtain high-power LED devices, it is necessary to prepare suitable high-power LED chips. The common methods for manufacturing high-power LED chips internationally are as follows:
① In...[Details]
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Introduction to multiple background applications1
Use multiple backgrounds to implement the following functions: motor start/stop control and alarm output when the water level A/D conversion ...[Details]
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Screw conveyor is a continuous conveying equipment made of steel. It can be used to convey chemical and building materials such as powder or solid particles with high temperature. It is commonly kn...[Details]
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Step 1: Remove all probes, converters, and signal connections from the oscilloscope. Step 2: Turn on the oscilloscope and warm it up for about 15 minutes. Usually temperature differences will affec...[Details]
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In 2019, the development of soft-pack power batteries in China was not satisfactory. From a global perspective, the models that were launched in 2018-2019, such as Jaguar I-pace, Hyundai Kia Kona & N...[Details]
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A variable frequency drive (VFD) is an electronic device used to control the speed of a motor. It achieves speed regulation of the motor by changing the frequency and voltage of the motor power sup...[Details]
Analog electronics
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