The mobile phone I bought some time ago came with a battery and a charger. In addition, when I went to buy a mobile phone with a friend, I got a "small box" that can be used to convert a direct charge
Switching power supply, module power supply, military power supply Stabilized power supply Switching power supply is increasingly widely used in communications, networks, industrial control, railways,
The classic foreign FPGA design textbook "Advanced FPGA Design: Architecture, Implementation, and Optimization" is suitable for beginners.https://download.eeworld.com.cn/detail/OLYKING/563749
[size=4]In order to improve the range of input voltage and frequency and extend battery life, the POWERWARE UPS power supply three-phase input adopts the latest three-phase diode bridge rectifier + IG
What is LM358? LM358 is a dual operational amplifier, a commonly used dual operational amplifier. It has the same characteristics as other general-purpose operational amplifiers. Let's take a look at