The operational amplifier used is TL072C, and the waveform is distorted after amplification by 20 times. The test picture is as follows:The test waveform, the yellow one is test point 1, and the blue ...
A review of improved single-stage power factor correction AC/DC converter topologies Abstract: Single-stage power factor correction (PFC) has been widely used in small and medium power applications du...
void halInitMCU(void) { WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer __bis_SR_register(LPM4_bits); // Enter LPM4, enable interrupts } Initialize the CPU to do nothing, enter sleep LPM4, test curre...
1. The demand sheet came and was published, but there were no resumes. 2. The resumes came, but the abilities were not suitable. 3. The ones with suitable abilities came, but the salary negotiation fa...
【Wireless temperature and humidity monitoring solution for warehouse】
[ Wireless temperature and humidity monitoring system]
【Wireless temperature and humidity sensor】
【Medical warehouse, large-scale ...
I have several old machines and I need to update the programs now. This problem always occurs when burning. There are 5 chips. Two can be burned for the first time, but they cannot be burned for the s...
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]
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]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[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]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]