This time, we use the combination of blynk app + server (local) + zero-knowledge ESP8266 development board to control the RGB LED to display various colors through the mobile phone APP.
1. Hardware pr...
Recently, I have been learning about the MOS tube anti-reverse connection circuit, and I have been confused by several questions. I would like to ask you for help. 1. Why do we sometimes use two resis...
[i=s] This post was last edited by Aguilera on 2019-1-8 17:26 [/i] [size=5][font=sans-serif] At present, the on-chip RAM of DSP is getting bigger and bigger. To design an efficient DSP system, you sho...
1. Description MCU: Zero-knowledge open source development board - standard board Module: DHT11 module Development tools: Zero-knowledge open source development tools [font="][size=4]The DHT11 module ...
[size=4]The NRF24L01 module is a 2.4GHz communication module. The output power, channel selection and protocol settings can be set through the SPI interface. It can be connected to almost all microcon...
Let's prepare a PLC and communication first.
We need a PLC that supports Modbus RTU communication and a USB to serial cable.
Then prepare a tool software on the computer.
...[Details]
EV DC-DC fast charging is best solved by onboard converters, not more charging stations
Vicor demonstrated a modular approach to "virtual batteries" that solves the problem of DC fas...[Details]
The similarities and differences between servo and frequency conversion in AC motor applications
1. What they have in common:
An important difference between servo and frequency conversio...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
Houston Methodist researchers have designed a device smaller than a grain of rice that can deliver immunotherapy drugs directly to tumors to "tame" pancreatic cancer, the most aggressive and difficul...[Details]
Intel's recently released third-quarter results for fiscal year 2020 showed that the company's revenue for the quarter was $18.33 billion, a year-on-year decrease of 4%, and its net profit was $4.28 ...[Details]
Since SATA is applied to ATAPI devices, transmission performance is not the most important consideration, but software and hardware compatibility is the most important issue, so it is more dif...[Details]
Information after KEIL MDK compilation: Program Size: Code=86496 RO-data=9064 RW-data=1452 ZI-data=16116 Code is the space occupied by the code, RO-data is the size of the Read Only constant, such ...[Details]
On July 26, the National Energy Administration issued the "Notice on Publicizing the Third Batch of the First Major Technical Equipment (Projects) in the Energy Field", among which the energy stora...[Details]
Earlier, there were reports that Huawei will hold a new product launch conference for the P50 series in April, but now a reliable digital blogger @鹏鹏君驾到 said that the Huawei P50/Pro series will...[Details]
introduction
The ability to accurately digitize a sine wave is a sensitive test of the fidelity of a high-resolution A→D converter. This test requires a sine wave generator with a residual distorti...[Details]
The initialization program of 44B0 is to initialize various key registers, establish interrupt vectors, and then transfer to the main function to execute the program. However, 44B0 does not support ad...[Details]
Liquid crystal (LCD) projection technology is one of the mainstream digital projector display technologies. With its irreplaceable large screen advantage, projection imaging technology has become the...[Details]
With the rapid development of new energy vehicles and autonomous driving, many EMI problems have occurred in the application of automotive power chips:
First, autonomous driving and smart cock...[Details]
DIY/Open Source Hardware
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