Weather station data generally includes temperature, humidity, atmospheric pressure, wind speed, wind direction, etc. From a design perspective, temperature, humidity, and atmospheric pressure are all...
[i=s]This post was last edited by jinglixixi on 2020-9-13 08:56[/i]The development board is equipped with an I2C interface, but unfortunately it is inconsistent with the pin arrangement of the OLED sc...
1. Short all GND to ground, short all VDD25, then connect capacitor to ground; short all VDD33, then connect capacitor to ground. (US original circuit diagram)
2. Connect a capacitor between each VDD ...
It seems that many forum members have encountered similar problems: after connecting ESP8266 to PC via mini USB cable, when opening the serial port tool, a sentence will pop up for no reason, and it k...
I recently won a prize of an ANC active noise reduction headset and I really want to understand the principle. I am out of date and can't keep up with the times. Does anyone have a data plan or schema...
STM8 has automotive-grade chips. I would like to know what the advantages are between automotive-grade and standard-grade chips. If you know, please let me know. Also, is it possible for STM32 to prod...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
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