Energy data collection based on blockchainProject BackgroundBlockchain is a chain of blocks. Each block stores certain information, and they are connected into a chain in the order of their generation...
The attached is a diagram I drew according to the schematic on TI's LAUNCHPAD. I made a board according to this, but the resistors of VCC and GND are only 400 ohms. This is definitely a problem. Becau...
This is the schematic diagram I made by disassembling an MPPT charger before I graduated last year. The object I copied is a mature product on the market.
This circuit has been verified to be function...
[i=s]This post was last edited by fish001 on 2020-7-21 22:51[/i]We introduce an active circuit, the operational amplifier, which has certain properties (high input resistance, low output resistance, a...
[i=s]This post was last edited by Eurasia32 on 2022-7-21 12:45[/i]Generally speaking, the communication interfaces that appear more frequently in microcontroller development are U(S)ART, SPI and I2C. ...
On September 6, the National Technology Standard Innovation Base (Smart Grid) led by State Grid Corporation of China successfully passed the review and acceptance organized by the State Administrat...[Details]
When using an insulation resistance meter to measure the insulation resistance of a capacitor, first disconnect the power supply and load connected to the capacitor, and then discharge it. (1) Chec...[Details]
Huawei released two new models yesterday, Huawei nova8 and nova8 Pro, priced from 3299 yuan. Digital blogger @看山的叔叔 broke the news today that in addition to the two models, Huawei nova8 Pro se...[Details]
By writing C programs in a certain way, you can help the C compiler generate ARM code that executes faster . Here are some key points related to performance: 1. Use signed and unsigned int types fo...[Details]
There are a total of 11 timers in STM32, including 2 advanced control timers, 4 ordinary timers and 2 basic timers, as well as 2 watchdog timers and 1 system tick timer.
TIM1 and TIM8 are advanced ti...[Details]
Samsung Electronics has begun making huge semiconductor investments worth a total of $31.7 billion, according to Korea IT News. The company recently began investing in its NAND flash memory factory i...[Details]
GPIO: STM32 has 3 (64-pin) IO ports, namely PA, PB, and PC. The IO ports of STM32 can be configured into 8 modes by software: 1. Input floating 2. Input pull-up 3. Input drop-down 4. Anal...[Details]
News on the afternoon of September 16th, vivo will hold the "Future Without Boundaries" NEX 3 5G flagship new product launch conference at 19:30 tonight at NEX SPACE in Shanghai. It is reported tha...[Details]
The Nihon Keizai Shimbun reported that the Ministry of Finance and the Ministry of Economy, Trade and Industry will expand restrictions on foreign investment in the IT sector as early as 2019. Japan'...[Details]
Many hackers have publicly demonstrated their superb network technology to successfully crack the car system and control the car. But this time, you don’t need any network technology, you only need a...[Details]
AMD CPU+GPU is being fully integrated. The next-generation Ryzen 7000 series processors will integrate Zen4 and RDNA2 architectures, and in the field of high-performance computing, the Instinct...[Details]
On August 16, the "2022 World Intelligent Connected Vehicle Conference" press conference was held in Beijing. At the conference, it was announced that the 2022 World Intelligent Connected Vehicle Con...[Details]
It is not easy for car companies to improve their bargaining power. If they want to make batteries themselves, they also need to cross certain thresholds. Recently, someone asked CATL on the investor ...[Details]
After the LED display is installed, it is necessary to debug whether it can work normally. So what aspects can show that the LED display can work normally? The editor has sorted out 6 commonly use...[Details]