[i=s] This post was last edited by shaorc on 2018-11-10 10:35 [/i] I want to analyze the infrared alarm circuit in the figure [1] The weak electrical signal output by pin 2 of IC1 is first amplified b...
Circuit type selection for beginners of homemade power amplifierDocument No.: 162334Manufacturer:Brief Description:Resource Category:File Size: KBNumber of clicks: 31 timesDownloads: 0 timesDownload C...
Electric vehicles can power your home with a bidirectional charger. Smart meters can help you lower your water bill. Wireless sensors can detect a faulty transformer before the lights go out. The futu...
The company I'm working for now is quite strange. When they have something for me to do, they rush me to death. After the circuit and board are drawn, the various processes are delayed to death when s...
All electronic products have their design, development and production processes closely related to their test and measurement equipment? For all electronic products, the purpose of test and measuremen...
Foreign media reported that as early as September last year, Xiaomi launched the Xiaomi 10T/Pro series flagship mobile phones in the global market. Now, Xiaomi seems to be preparing to launch t...[Details]
Briefly introduce the daily use of Leeb hardness tester:
Improper use of the Leeb hardness tester can result in inaccurate test results and damage to the instrument, so when using the ...[Details]
DTC Status Bit Description
The operation overview of emission-related OBD DTCs in ISO 14229-1 with DTC status bits in two operating cycles is used for explanation.
Source: ISO14229-...[Details]
Every automated test system used to test boards, modules, or devices requires one or more DC power supplies to provide power to the device under test and to provide test stimulus. In some cases, the p...[Details]
The Boao Forum for Asia 2019 Annual Conference was held in Boao, Hainan, China from March 26 to 29. According to Yonhap News Agency, on March 29, South Korean Minister of Industry Sung Yun-mo and Chi...[Details]
Compile the Linux system that supports NAND FLASH driver and yaffs2 file system according to the transplantation document, then burn the kernel image into FLASH, and then burn the root_2.6.31....[Details]
Each IO of STM32F4 can be used as an interrupt input port for external interrupts, which is also the strength of STM32F4. The interrupt controller of STM32F407 supports 22 external interrupt/event re...[Details]
September 3, 2019 marks the first anniversary of the restart of UHV.
A year ago, on September 7, 2018, Nengjian was the first in the market to disclose that the National Energy Administration ...[Details]
Today, OPPO officially announced the renderings of OPPO Reno7/7 Pro. It has three color schemes, namely "Star Rain Wish", "Morning Gold" and "Starry Night Black". It uses a straight-edge middle frame...[Details]
An oscillator stops oscillating
It can also be divided into oscillator stopping caused by unstable power supply voltage or strong interference.
The second PC pointer runs away
Unstable power su...[Details]
China Energy Storage Network:
In recent years, China's vast areas, represented by Beijing, Tianjin and Hebei, have been deeply troubled by smog. As the smog problem is a major issue directly ...[Details]
LEDs are widely used in indicator lights, large billboards, scanners, fax machines, mobile phones, car lights, traffic lights, etc. due to their long life and low power consumption. However, in ter...[Details]
If your amplifier only supports mono, but you want to use the aux input to play two-channel audio, you can try the following solutions:
1. Use a Y-type converter to combine the left and right ...[Details]
1. Tablet PC Industry Status, High-Speed Buses and Interfaces in Digital Circuits According to iSuppli, if the impact of a new product can be measured by the breadth and depth of its ...[Details]
ADI's ADE5166/ADE5169/ADE5566/ADE55691 integrates an electric meter analog front end (AFE) and a fixed-function DSP solution with an 8052 MCU core, RTC and LCD driver, and peripherals. The operatin...[Details]