The driver for SHT21 I use is the driver provided by Mr. Hu Lei.I basically didn’t make any changes to the temperature and humidity calculation program:
as follows:// Command--0xF3 measures temperatur...
[i=s]This post was last edited by alan000345 on 2019-5-7 11:11[/i] Higher data rates, more antennas, less space. Antenna efficiency plays a critical role in the overall RF performance of smartphones. ...
I am doing a serial communication simulation experiment between two microcontrollers. When I use a common cathode LED, the display is wrong, but when I change to a common anode LED, the display is cor...
Plug in the power supply and network cable, ping 192.168.2.20 (this is the IP of the development board). If ping fails, change the computer IP. My computer is Win7/64-bit. The specific operation is to...
A: I would like to ask, is there any tool or method to burn dtb files separately?
B: The OS option of the burning tool has a choice
KERN-Nand
Uboot and dtb are updated together...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. 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]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
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Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
DIY/Open Source Hardware
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