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With the improvement of living standards, people's demand for home has changed from area demand to comfort demand. Floor heating uses radiation heating, which is in line with the physiological dema...[Details]
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3 Measurement results and analysis 3.1 LED volt-ampere characteristics The volt-ampere characteristic curves of five color LEDs at room temperature were measured by Figure 1 and are shown in Figure 6...[Details]
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1 Introduction
In China, there are many patients with traumatic brain injury who are in urgent need of emergency treatment, but a considerable number of patients with intracranial hemorrha...[Details]
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On August 21, according to Galaxy Club, the battery model of Samsung Galaxy S21+ is EB-BG996ABY (the model of Galaxy S21+ is expected to be SM-G996). The battery has a rated capacity of 4660...[Details]
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On September 16-17, the 2018 "Energy Think Tank" with the theme of "Change and Invariance" was held in Hangzhou, Zhejiang. This "Think Tank" focused on the development direction of China's photovol...[Details]
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LCD is the abbreviation of liquid crystal display. Liquid crystal displays are divided into 1. static drive, 2. simple matrix drive and 3. active matrix drive according to the driving mode. Among the...[Details]
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Working principle of explosion-proof solenoid valve
1) Direct-acting explosion-proof solenoid valve
Principle: When the power is on, the electromagnetic coil generates electromagnetic for...[Details]
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Introduction This article introduces how to use the internal 16M crystal oscillator of the STM8L series. experiment platform Compiler software: IAR for STM8 1.42.2 Hardware platform: stm8l101f3p6 d...[Details]
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Nordic helps smart air purifiers based on Apple HomeKit with Thread capture and analyze air quality data Nordic nRF52840 SoC brings concurrent Bluetooth LE and Thread connectivity to Airversa Purel...[Details]
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Can fiber test results be recertified? Many fiber limit test reports that have passed ISO/IEC 14763-3:2014 are often required to test the fiber according to ANSI/TIA-568.3-D-1. In short, the answer...[Details]
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Contemporary Amperex Technology Co., Ltd. recently added several new patent information, one of which is called "Battery Heating System" and the publication number is CN112563623A. Image source: Ti...[Details]
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1. Install VMWare
VMWare is a virtual PC software. VMWare's products allow you to run two or more Windows, DOS, and LINUX systems on one machine at the same time. Compared with the "multi-...[Details]
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Tianyancha shows that Shenzhen Aiyoupin E-Commerce Co., Ltd. was established on January 8, with He Chunlei as the legal representative and a registered capital of 51 million yuan. Image source: Tia...[Details]
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1 System Solution
1.1 Overall system design
The system uses the MSP430 microcontroller as the core module. The motor drive module drives the fan blades to blow air into the round tube to blow up th...[Details]
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1 Introduction
Real-time knowledge of underground gas concentration is an important factor in coal mine safety production. Due to the increase in coal mining depth and scale, it is difficult fo...[Details]