TMM-135-01-L-S-SM-06-P

Introduction         Although voltage measurement alone has been used in many portable products to estimate the remaining battery charge, this approach can have errors as high as 50%. The relations...[Details]

The working principle of the device application circuit is shown in the figure below. It can be used in corridors and stairways as a delayed energy-saving lighting lamp. Before going upstairs, pres...[Details]

This is an electronic clock based on a timer. I always thought that digital tubes and LEDs were simple, but I didn't know that it would be difficult to combine them. However, I solved the bugs in the...[Details]

On the evening of March 18, an investor asked a question on the investor interaction platform: DDR3 has been out of stock recently. The reason for the shortage is that some first-tier manufacturers h...[Details]

EVCC stands for Electric Vehicle Communication Controller, and its Chinese name is Electric Vehicle Charging Communication Controller. It is one of the necessary auto parts for export of national s...[Details]

Introduction 　　The correct design of antiparallel diodes requires consideration of various factors. Some of these are related to the technology itself, others are application related. However, the fo...[Details]

　　1 Background and design features of single chip electronic password lock 　　With the rapid development of high technology today, people have invented various forms of locks, such as password locks...[Details]

　　P1.0 and P1.1 are driven by 7407 to light up alternately and flash once per second. See the figure below for hardware connection (using 6MHZ crystal oscillator) 　　Analysis: The flashing cycle is...[Details]

In the development of single-chip control programs, there are some program segments that are very common and can be transplanted. The delay program used to control the buzzer time can also be used in ...[Details]

On March 4, under the epidemic, the new energy vehicle market in January 2020 was not optimistic, and many car manufacturers had difficulties in resuming production. This situation, coupled with the ...[Details]

LCD is the abbreviation of liquid crystal display. Liquid crystal displays are divided into static drive, simple matrix drive and active matrix drive according to the driving mode. Simple matrix dr...[Details]

　　Lead-acid batteries are safe, cheap, and easy to maintain, so they are still widely used in electric bicycles. However, lead-acid batteries are highly polluting, bulky, and have a low number of cyc...[Details]

Small signal square law detector circuit Small signal (usually input voltage is below 0.2V) detection uses the curved part of the diode volt-ampere characteristic curve. Its ba...[Details]

Juntong Capital is a private equity fund manager focusing on investments in the pan-semiconductor industry. Founded in May 2015, it has completed private equity fund manager registration with the Ass...[Details]

On the morning of March 24, the Chuzhou Delanminghai New Energy Storage Project held a groundbreaking ceremony in the Nanqiao area of ​​the Ningchu interprovincial adjacent area. Wu Jin, deputy secret...[Details]