A linear resonant actuator (LRA) is a vibration motor that produces an oscillating force on a single axis. Unlike a DC eccentric rotating mass (ERM) motor, a linear resonant actuator relies on an AC v...
Explanation: clk_in is the external clock input from the pin of EP1C6, 125MHz.clk_out is the clock output from the pin of EP1C6, also 125MHz. module a(clk_in,clk_out) input clk_in;output clk_out; assi...
[size=5][color=#0000ff][b]1. PTC thermistor boiling water automatic alarm circuit[/b][/color][/size] [size=4]The figure below shows a boiling water automatic alarm circuit constructed with a PTC therm...
I soldered a 16-bit minimum system by myself (it only includes the reset circuit, ISP interface circuit, PC0-7 is used to drive the LED, and there is no connection error in the circuit); but when burn...
Teacher, when designing this sensor amplifier circuit, the sensor output amplitude is at the mV level, the frequency is within 1KHZ, and the voltage is amplified to 0-5V. How should this circuit be de...
I just started to learn how to use op amps. The project needs to amplify a small signal with a Vpp of 20mV (with a 1V DC bias) to 0~4V. I plan to use a bandpass filter to filter out high-frequency noi...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[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]
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]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[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 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]
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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]