Universal relay contact protection circuit, maybe everyone has the same doubts, the relay will be useless after 10,000 operations, if you want to extend the service life of the relay, what kind of cir...
[i=s]This post was last edited by Aguilera on 2020-2-9 21:45[/i]I have made three TM1650 and MSP430F149 projects, which also involve a lot of other things. I won't talk about them one by one here. Her...
Using LM358, the first op amp is used as a follower circuit, and the second op amp is used as a simple differential circuit to power the microcontroller ADC. It uses a 3.3V power supply. The first op ...
In general, a clamp ammeter is a special electrical instrument for measuring AC current. The clamp ammeter is simple to use and is generally used in situations where the current cannot be measu...[Details]
The street light system based on ZigBee technology and LED light source is a highly automated, energy-efficient urban lighting system. LED light source is a new type of lighting source that is effici...[Details]
I read the description of I/O ports in the M16 manual, which says that you can use the internal pull-up resistor by setting DDXn=0, PORTn=1, PUD=0. Since this can be used, when using the key circuit,...[Details]
1. Installation of brush knob 1. Take out the spring and steel ball, put them in Vaseline oil, put the lubricated spring into the small hole of the brush knob, and stick the steel ball on the top of ...[Details]
IDC recently released statistics on wearable devices in India in the fourth quarter of 2019, showing that 5.1 million wearable devices were shipped in India this quarter, maintaining double-digit gro...[Details]
Introduction: General power supply equipment can only measure the overall output voltage and current of the battery pack, and cannot perform online measurement for a single battery. The failure ...[Details]
On October 27, the Organization Department of the Liaoning Provincial Party Committee issued a public notice of candidates for leadership positions. Among them: Li Xianfeng, male, Han nationality, bor...[Details]
On December 25, the Shanghai Stock Exchange Science and Technology Innovation Board Listing Review Center issued a decision to terminate the review of Quantum Microelectronics Co., Ltd.'s initial pub...[Details]
Foreign media 91mobiles reported that Qualcomm is expected to release its next-generation flagship chip Snapdragon 875 later this year as its first 5nm chip mobile platform. According to reports, t...[Details]
PIC16F887 has two configuration words, the first configuration word CONFIG1 address is 2007H, the second configuration word CONFIG2 address is 2008H.
When using the PICC compiler, there are two con...[Details]
The switching power supply charger has a supply voltage of 110V, which can be easily changed to 90-250V and continue to work; the output voltage is 5V, which can be changed to 5-12V, which is espec...[Details]
There are big differences between carbon monoxide detectors and combustible gas detectors, and many dealers and users often confuse the two. In fact, the two are very different. If you are not ca...[Details]
Infineon Technologies AG recently announced that it and Anker Innovations, a global leader in charging technology, will jointly establish an innovation application center in Shenzhen. Once fully ope...[Details]
It has long been an industry consensus that traditional liquid lithium batteries will not be the technological end of power batteries, and solid-state batteries are the only way forward in the post-l...[Details]
Due to its simple installation method and affordable price, the analog monitoring system currently has a market share of about 70%, but with the continuous advancement of IP network monitoring, i...[Details]
FPGA/CPLD
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