Forward voltage test
The forward voltage (VF) test verifies the forward DC characteristics of the laser diode. During the measurement, the current IF is swept and the voltage drop across the laser dio...
If I make a circuit board according to this simulation diagram, can I just connect the power supply and measure the LED light? If I don't want it to light up immediately after powering on, how can I m...
I am going to make a touch screen driver for a controller called TSC2006. What is the difference between it and ADS7846 controller? Can they be used interchangeably? If there is a difference, please d...
[i=s]This post was last edited by dcexpert on 2016-4-13 22:41[/i] In the MicroPython source code, there is a single bus driver, which can easily drive single bus devices, such as reading the temperatu...
Regular studio, due to the large volume of business, the in-service technology cannot be supplied. Now Chengcheng electrical automation professional part-time technicians, familiar with single-chip mi...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[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]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
Battery clamps, commonly known as battery connectors, come in two sizes depending on the thickness of the battery terminals. One is the battery clamp used on thick terminals, with a positive termin...[Details]
Electrostatic coupling and interference occur when a charged object is close to the input of the circuit being measured. At low impedance, the effects of interference are not noticeable because th...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
Abstract: A motion estimation design for video images is implemented using a powerful FPGA. The search method used is a three-step search method. When designing the scheme, this paper uses the rela...[Details]
1. Introduction
According to the definition of the International Electrotechnical Commission (IEC) and the American Instrument Society (ISA), fieldbus is a digital, two-way transmission, multi...[Details]
1. Introduction
PROFIBUS is an international, open asynchronous serial communication standard, which is widely used in manufacturing automation and process automation, buildings, transportatio...[Details]
In order to reduce the proportion of data transmission time in the entire system processing time index, the data transmission rate should be no less than E1 (2.048Mb/s), and the communication...[Details]
In the "mistress war", Zhou Hongyi constantly questioned Lei Jun, firing at Lei Jun on issues such as the cost, profit, configuration, and marketing methods of Xiaomi mobile phones.
The "m...[Details]
On June 29, according to Reuters, Finland's Helsinki Daily published an article today saying that Nokia Chairman Risto Siilasmaa still expressed confidence in the management after the company announce...[Details]
Introduction
As computer technology gradually penetrates into all aspects of social life, more and more people are using computers. Among these people, a large number are not familiar with comp...[Details]
This fish tank automatic thermostat can be used by fish aquarium enthusiasts to feed tropical fish. The circuit is simple and the effect is good.
Working principle
The circuit is show...[Details]