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...
1. Power supply is an indispensable component of various electronic devices. Its performance is directly related to the technical indicators of electronic devices and whether they can work safely a...[Details]
introduction
With the continuous development of computer network technology, special integrated chip technology and fieldbus technology, the requirements for the measurement accuracy of industrial ...[Details]
According to MEMS Consulting, a photodiode or photodetector is a PIN semiconductor device that can convert light energy into electric current. Avalanche photodiode (APD) is a highly sensitive photode...[Details]
German MR signed another contract with China Electrical Equipment during the CIIE November 6, 2022, Shanghai, China – During the 5th China International Import Expo, the German MR Company (Reinhaus...[Details]
Although clean, dry compressed air is essential for many processes, having a hygrometer is often considered a luxury. Measuring and controlling the humidity of the air in a process is important for ma...[Details]
While the 2nd edition of IEC 60601-1 covered “essential performance,” the 3rd edition defines it in further detail as “performance necessary to avoid unacceptable risk.” The manufacturer is responsib...[Details]
In this series of articles, until the last article, the principles of brushed DC motors
were introduced
. This article will introduce the basic characteristics of brushed DC motors.
...[Details]
Here we classify and summarize the 555 circuit according to its structural characteristics, and divide
the
555
circuit into 3 categories, 8 types, and a total of 18 unit circuits. In addition t...[Details]
According to South Korean media THE ELEC, UBI Research released its latest report stating that China became the largest buyer of smartphone OLED panels in the second quarter of 2020. ...[Details]
China Energy Storage Network News:
On the morning of February 23, the National Energy Storage Technology Industry-Education Integration Innovation Platform Construction Launch and Summit Co...[Details]
As winter approaches, the weather is getting colder. Many friends in the electronics industry may not know that temperature affects many aspects of capacitors. We generally only consider the capacit...[Details]
In order to facilitate debugging, we often need to use the printf function to print out debugging information. In Keil software, if you want to use the printf output function, please note that you ...[Details]
When enterprises secretly discharge pollutants, "it" quietly "tips" to the regulatory authorities.
Zhuzhou City Environmental Protection Department conducted a surprise operation and checked 1...[Details]
STC has survived for many years mainly relying on the college student market and the ultra-low-end small-batch market (the 51 series does not have a large share in industrial microcontrollers), and h...[Details]
Shenzhen, China –
Haptic technology is no longer just a feature – it has become a key driver for companies in various industries to achieve product differentiation and enhance user experience
...[Details]