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This morning, Apple updated its three major iWork office suites Pages, Numbers, and Keynote, adapting them to the new features of iOS/iPadOS 14. After the update, all three software have supported iP...[Details]
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The mechanical timer of my bedside fan broke, so I designed one using a 51 single-chip microcomputer. The program has passed the preliminary debugging on the experimental board, and I can make the boa...[Details]
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在金融风险日益加剧的今天，企业拥有现金数量多少的重要性更为显著，"现金至上"比任何时候都备受推崇。 Cash is the basic driving force for the advancement of enterprises. Cash can be divided into broad and narrow senses. The cash mentioned in this arti...[Details]
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Winter is pure like a white swan in the pure world. It is leisurely and wild, making snowflakes talk about it. In such a calm season,
the LED
, which seems to be a cluster of flowers
, is "...[Details]
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8 LED lights are directly connected to Vcc, no current limiting resistor is needed. This production uses a synchronous timer and uses sleep mode to save power.
If you want to change the pin th...[Details]
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In my last PowerLab Notes blog post I shared a simple circuit for regulating a low output voltage isolated power supply. However, what if you have a non-isolated power supply with a very low output v...[Details]
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Apple recently released a new firmware update 1.0.301 for the AirTag item tracker, but did not specify what upgrades were included at the time. Today, Apple officially announced the update cont...[Details]
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Demonstrate advanced smart travel, power & energy, IoT & interconnection solutions June 27, 2023, Shanghai, China - STMicroelectronics (ST), a world-leading semiconductor company serving multipl...[Details]
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Wuxi, Jiangsu, March 17, 2023 /PRNewswire/ -- Since 2014, my country's new energy vehicle industry has entered the fast lane of development, with the production, sales and ownership of new energy v...[Details]
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Switching power supply working principle description
A switching power supply utilizes electronic switching devices (such as transistors, field effect transistors, thyristors, etc.) to control the ...[Details]
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Scrolling display 0~7
source code
1 #include reg52.h
2 #define uchar unsigned char
3 #define uint unsigned int
4 uchar code table ={0xc0,0xf9,0xa4,0xb0,0x99,0x92...[Details]
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With the continuous increase in the promotion of new energy vehicles in my country, the new energy vehicle industry has sustained and rapid development. We can see more and more new energy vehicles...[Details]
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Glass tube level gauges are mainly used to directly indicate the height of the liquid level in various tanks, towers, tanks, boxes and other containers. The instrument has a simple structure and is e...[Details]
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Zhaoqing Langjiang Pumped Storage Power Station is located in Wuhe Town, Guangning County, Zhaoqing City. The project has been included in the National Energy Administration's "Medium- and Long-Ter...[Details]
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STMicroelectronics' HFA80A automotive-scale input Class-D audio amplifier combines high efficiency, small size and low bill of materials cost, and optimizes load diagnostic functions for automotive...[Details]
Microcontroller MCU
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