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Ground wire live detection circuit A voltage-limited time-based circuit ground wire live detection interface for an electric water heater control chip belongs to the application field of detection te...[Details]
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In a servo drive control system, in order to achieve magnetic field oriented control, it is necessary to sample the current of at least two-phase motor windings. These two current samples will be u...[Details]
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Physiological parameter acquisition refers to the measurement, processing and transmission of certain physiological parameters of a person when he is stationary or active in a specific environment. Th...[Details]
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Embedded Ethernet can not only be used in industrial sites to realize the automatic Internet access function of field nodes, but also can be used for the Ethernet interface of information appliance...[Details]
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How does GPRS obtain the location? GPRS is different from GPS. We all know that GPS uses satellites to locate, while GPRS uses base stations to locate. Its positioning accuracy is affected by the loc...[Details]
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On March 25, Microsoft proposed a new method in a recently approved patent to reduce video memory usage through SSD solid-state drives, thereby providing ray tracing performance for games in future...[Details]
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Remote work and distance learning during the coronavirus outbreak continue to increase demand for PCs and laptops around the world. After a sharp decline in the first quarter of 2020, global PC shipm...[Details]
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This is a simple bicycle odometer, the core part of which is an 8051 microcontroller.
Circuit Diagram
Program Flow
PCB thermal transfer image, can be ...[Details]
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Preface: Recently, I am debugging the STM32F205 chip ADC multi-channel DMA method to collect data. Here I summarize the usage of the STM32 multi-channel ADC DMA method for data collection. Hardware...[Details]
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On the morning of March 8, Wedbush analysts estimated that in the first year of the iPhone SE's release, Apple could ship approximately 30 million units of this product. In a note to invest...[Details]
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Announcement from the Ministry of Industry and Information Technology of the People's Republic of China
No. 57 of 2015
In order to strengthen the management of the lithium-ion battery ind...[Details]
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If you are worried about the energy consumption of your mobile phone and are hesitant about whether to buy a 5G device, now is the answer. Relevant research shows that 5G devices have higher energy u...[Details]
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One of the biggest bugs of the iPhone is that the battery life of the whole device is too short. The most direct manifestation of this situation is that Apple has always been resistant to large...[Details]
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The blog post Measuring Resistances Less Than 1Ohm introduces a simple and accurate method for measuring low resistance devices. Usually, the on-resistance of some devices is very small, such as low-...[Details]
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Last month, Xiaomi demonstrated its Super Charge Turbo 100W super-fast charging technology, which can fully charge a 4000mAh battery phone (when the phone is turned on) in about 17 minutes. On the ...[Details]
Microcontroller MCU
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