On the pyboard, there is a user button. MicroPython has predefined the button class, and the button can be used like this: [b]Define the button:[/b] sw = pyb.Switch() [b]Read the button status[/b] sw(...
As a global leader in optoelectronics with the largest shipment of optoelectronic modules, Sunny Optical's factory consumes a lot of electricity and has a high load, which places strict requirements o...
I bought this computer when I was a freshman in college. I've been using it until now. I've played around with it, changed the system many times, and disassembled it many times. Yesterday, I helped a ...
[color=#000][font=arial, 宋体, sans-serif]TPS92310: TI high-power LED driver, the figure below is an LED[/font][/color][font=arial, 宋体, sans-serif][color=#000000]Non-isolated topology circuit diagram[/c...
[b]Wireless Product Software Development Engineer[/b] Job Description: Responsible for the design, coding, debugging, unit testing and other work of wireless product software modules, participate in r...
“If you can’t buy a ticket back home, you’ll paralyze the airline system!”
Unexpectedly, a 17-year-old boy (pseudonym Xiao Chen) was unable to buy a ticket back to China during the epidemic, so he imp...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
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]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
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]
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]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[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]
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]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
MicroPython Open Source section
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