https://detail.tmall.com/item.htm?spm=a1z10.5-b.w4011-18883888937.65.c8162af80RiU46id=576897750536rn=2113700bcd9e6682e833730a455c6a29abbucket=19skuId=3880525425703This one is 80% new. I replaced the o...
When the indoor CO2 concentration exceeds 1000 ppm , the human body will experience symptoms such as drowsiness, shortness of breath, lack of concentration , etc. If the concentration gradually increa...
In this picture, what are the changes in the collector voltages of the two transistors? What are the functions of the operational amplifier at the front end and VR10?...
This is the formula in the picture above. What I don't understand is how the VL drawn with a red line is merged into the formula below. Could you please teach me?...
GD32E231C-START unboxing. After waiting for so long, I finally received the board and sample today. The packaging is very simple.Black text on a white board. Next, you can build the circuit while prog...
[align=left][color=rgb(25, 25, 25)][font="]Semiconductor laser, also known as laser diode, is a laser that uses semiconductor material as the working material. It has the characteristics of small size...
Contents The present invention belongs to the field of measurement technology, and in particular relates to a mass flow meter and a measurement method thereof for a gas-solid mixed phase flow (such a...[Details]
This is not a power plant in the traditional sense.
Here is an innovative platform based on the ubiquitous power Internet of Things, which can access 11 types of ubiquitous adjustable resource...[Details]
According to the Economic Daily, UMC's 12-inch wafer factory has received a large order for MediaTek's IoT chips, totaling 10,000 pieces, and is expected to start shipping in the second quarter. U...[Details]
According to foreign media reports, California recently released its 2019-2020 Integrated Resource Plan (IRP). According to the plan, by 2030, solar + energy storage projects will dominate the stat...[Details]
According to MoneyDJ, South Korea's economy is facing adverse factors such as the Sino-US trade war and Japan's export controls, and its exports have continued to fall, and the decline is widening. T...[Details]
1. Brief Introduction AArch has 31 general-purpose registers, which are called Xn when the system is running in 64-bit state and Wn when running in 32-bit state. AArch32 and AArch64 register corres...[Details]
BlackBerry QNX launches ultra-scalable, high-performance computing operating system to advance software development for next-generation automotive and IoT systems QNX software development platform ...[Details]
Mobile power will become an indispensable product in people's lives, but the mobile power industry is mixed, lacking national standards and supervision, causing a large number of explosions, bur...[Details]
The Serial Peripheral Interface is a synchronous peripheral interface that allows the microcontroller to communicate with various peripheral devices in a serial manner to exchange information. SPI wa...[Details]
According to Reuters, Sweden's telecom regulator PTS suspended the 5G spectrum auction on Monday local time after the Stockholm Administrative Court temporarily lifted the ban on Huawei and ZTE. Las...[Details]
As the number of electronic systems in cars increases, the number of chips used increases, and the number of electronic control units (ECUs) increases significantly. The rapid increase in ECUs has br...[Details]
Phone Arena tested the charging speed of the Galaxy S20 Ultra. It is reported that the Galaxy S20 Ultra has a battery capacity of 5000mAh and supports 45W fast charging, but the charger included in t...[Details]
The H series is a classic product of the XGIMI projector family. From the award-winning XGIMI H1 to the XGIMI H2 launched last year, they have all achieved unprecedented success. After a year, the H ...[Details]
If you are thinking of buying an oscilloscope, I hope you find this article useful.
The oscilloscope model introduced here is the 6403D of the pico6000 series, because it is of medium cos...[Details]
The zinc-manganese dry
battery
charger
has the functions of timing and
charging
indication. Its charging current is 50mA and it can be used to charge fully sealed ordinary dry
...[Details]