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A brushless motor is a motor without brushes and a mechanical commutator.
We know that the stator of a general brushed motor is a permanent magnet and the rotor is an electromagnet. When...[Details]
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Friends who often read technology news must be familiar with new technologies such as autonomous driving, CarPlay, Android Auto, head-up display, and lane change assistance. However, although these...[Details]
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Challenges in Designing Power Converters
One of the main reasons is that board space is limited. To reduce the converter’s form factor, the frequency must be increased. This allows for the use...[Details]
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//CRC.C /********************************************************************************************************/ /* STM32 CRC */ //20120427 #include "stm32f10x_map.h" #include "system.h" #include...[Details]
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1. Check the quality of electrolytic capacitors with the resistance range of a multimeter
The two leads of electrolytic capacitors are divided into positive and negative. When checking the qual...[Details]
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At present, the domestic shared power bank market has basically formed an industry structure of "three electrics and one beast". According to the "2019 China Shared Power Bank Industry Development An...[Details]
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This article mainly discusses the challenges of analog-to-digital conversion in SDR implementation and what breakthroughs in ADC can promote the practical application of software radio.
Problems
...[Details]
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This protocol is to send instructions through the host computer so that the microcontroller sends the read temperature value at different times.
#define F_CPU 8000000UL
#include
#include
#i...[Details]
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Microsoft's dual-screen phone Surface Duo has been released and will start shipping in the United States on September 10. The price starts at $1,399.99, which is about RMB 9,722. However, Microsoft m...[Details]
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1. Experimental tasks Use the timer/counter T0 of the AT89S51 microcontroller to generate a one-second timing time as the second counting time. When one second is generated, the second counting incre...[Details]
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Since the market prospect of small and medium power switching power supply is very good, the single-ended flyback switching power supply can not only realize low voltage output but also realize high a...[Details]
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The latest report released by market research firm Strategy Analytics shows that the total revenue of the global smartphone memory chip market in the first quarter of 2020 was US$9.4 billion. From th...[Details]
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Redmi released a poster today to warm up the first product in the Redmi K50 universe and stated that the product will be released in the Year of the Tiger. The poster shows part of the pho...[Details]
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When Qishan County meets photovoltaics, Qishan will have bluer skies, clearer water and a more beautiful environment! When photovoltaic systems meet micro inverters, this 21.84kW project in Qishan,...[Details]
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1. Design requirements (1) The input signal is a 30mv peak-to-peak sine wave with a frequency range of 20HZ~20KHZ and an input impedance Ri ≥20KΩ. The gain of the pre-stage programmable amplifier i...[Details]
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