Hello, I am a beginner. I want to use an ultrasonic rangefinder to measure the turning diameter of a car. The car moves at least one circle. Can the ultrasonic wave be emitted 360 degrees? And can it ...
Currently using the BGM220PC22HNA2 Bluetooth module, the core is based on the EFR32BG22
The problem I'm facing now is that the bgm220 Bluetooth module is connected to the power supply and ground, and ...
Hello everyone! Recently, the teacher of "Testing Technology" assigned us a small project. My group was assigned to the "Health Scale" project. The requirements are: 1. Be able to measure human weight...
The data is always 0, please help me solve it.The header file should be fine[img]file:///D:\QQPCMgr(1)\Documents\Tencent Files\951141617\Image\C2C\(SGB3@_N(T}KUH5`3C(PH}U.jpg[/img][img]file:///D:\QQPC...
How can I quickly understand which one of the magnetic beads, inductors and zero-ohm resistors should be used in what specific situations? I only know that zero-ohm resistors can be used as jumpers in...
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Test/Measurement
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