I am looking for a chip that outputs a high level (low level) when there is a pulse input, and outputs a low level (high level) when there is no pulse input....
[i=s]This post was last edited by reayfei on 2019-3-9 19:42[/i] Selling a brand new STM32F412 development board, 120 yuan free shipping[url]https://market.m.taobao.com/app/idleFish-F2e/widle-taobao-ra...
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The New Year is here, and it looks like I’ll be staying at home for another Spring Festiva...
[i=s]This post was last edited by nemo1991 on 2021-3-28 22:36[/i]Digital isolation chips are commonly used in industrial control and power supplies.For example, in power supply design, the power signa...
Everyone has heard that the digital ground and analog ground need to be separated, but the methods are varied and varied. Some use 0R resistors to separate, some use magnetic beads, and some use capac...
Serial Port OverviewBaud rate software configurable
4 independent serial ports (UART0, 1, 4, 5)
Full-duplex communication
UART has data reception completion/reception error interrupts and raises error...
An international research team led by Canadian scientists has developed a triple-junction perovskite solar cell with a record-breaking photoelectric conversion efficiency (about 24%), taking a big ...[Details]
“The biggest disadvantage that the United States has in this tech race is its unwillingness to spend money,” James Andrew Lewis, senior vice president and director of the technology policy program at...[Details]
The concept of inverter
Usually, the process of converting AC power into DC power is called rectification, the circuit that completes the rectification function is called a rectification circu...[Details]
1 Introduction
The bridge reversible chopper circuit is most widely used in power electronics technology, electric traction, power systems and other fields. For DC speed regulation systems wit...[Details]
On December 1, according to the latest news from the industry chain, Apple has officially notified relevant partners today to begin preparations for mass production of iPhone SE2. This new phone, whi...[Details]
Abstract: The feed industry is a very important hub connecting multiple industries such as agriculture, breeding and planting, animal husbandry, and agricultural and sideline product processing. Th...[Details]
Today’s system designers benefit from the significant investments made by system-on-chip (SoC) designers in chip-level power management. But for systems that actually consume very little power, syste...[Details]
The burst tester is used to test the tensile strength of the sample in multiple directions, which reflects the physical and fiber strength of the sample. Different models can measure the bursting deg...[Details]
A general register The AArch64 execution state has 31 64-bit general-purpose registers that are available in all ELn and are named X0-X30: Each AArch64 64-bit general purpose register X0-X30 has a ...[Details]
In the "Wireless Subsystem Synchronization" of GSM 05.10 clause, it is stipulated that: "The base station should use a single frequency source with an absolute accuracy better than 0.05 ppm (5×10-8) a...[Details]
The term "POV led" (POV stands for persistent vision), LED rotating screen. Those shaking aerial patterns, animations floating on wheels, and clocks of various shapes will surely leave a deep impre...[Details]
How to improve the utilization rate of solar energy has always been a hot topic of research for scholars at home and abroad . The solar tracking system allows the collector device to always remain ...[Details]
The advent of self-driving cars will greatly change our travel habits and set off a rapid transformation in the transportation industry. The digital transformation of the automotive industry will bri...[Details]
We’ve already seen that improving the efficiency of an electric vehicle’s powertrain can increase its range. Aside from purely mechanical solutions, such as using larger (or multiple) electric moto...[Details]
Sensor
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