Experimental goal: realize the timer function, and click the dot button to print out the current time.The classes used are QTimer and QTime. QTimer is a timer class, equivalent to a stopwatch, and QTi...
When writing the program, I see TMOD=1, but I don't see any operation on each bit. What is the meaning of these 8 bits? There is also some byte address 89H, which doesn't seem to be reflected in the p...
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My schematic diagram has an indicator light, 10 buttons, and a Bluetooth module. For low power mode, a MOS tube is used to cut off the Bluetooth power supply. Now, when the Bluetooth power supply is c...
AVR microcontroller is an enhanced RISC low-instruction set high-speed 8-bit microcontroller with built-in Flash developed by ATMEL. It draws on the advantages of 8051 and PIC microcontrollers, has t...[Details]
On July 4, 2013, the Rishangjiangcun, a campus ecological energy demonstration project of Shanghai Jiao Tong University and a test building for the SDC2013 Shanghai Jiao Tong University team, spon...[Details]
When the main power is off, the circuit automatically switches the battery in through the relay to power the equipment. When the main power is normal, the battery is charged in different modes: when ...[Details]
Transistors are relatively cheap and easy to use, and are often used in digital circuit switch control. Generally speaking, for low-cost occasions and ordinary applications, triodes are considered fi...[Details]
Abstract: A practical control strategy for a three-phase active power filter (APF) is introduced. The main circuit topology of the APF adopts a three-phase four-wire voltage-type converter. Its con...[Details]
Powercast is showcasing a range of innovative wireless power transmission products at CES 2022. With this new technology, Powercast can help its partners create more environmentally friendly electron...[Details]
Timer 1 is a 16-bit timer with timer/counter/pulse width modulation functions. It has 3 individually programmable input capture/output comparison channels, each of which can be used as a PWM output o...[Details]
On July 16, 2024,
WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary WPI has launched a battery monito...[Details]
Fingerprint recognition system circuit
Working principle: When the fingerprint sensor receives fingerprint information, it will send a command to the microcontroller through the serial port. ...[Details]
Kinara launches the Ara-2 edge AI processor to provide high-performance, cost-effective and energy-efficient inference for edge servers and laptops to run applications such as video analysis, large l...[Details]
Battery
Whether the capacity configuration is reasonable directly affects the technical and economic indicators of wind power generation. If the capacity is too small, the surplus elect...[Details]
What is the meaning of new energy VCM and MCU
In the field of new energy vehicles, "VCM" and "MCU" are two different terms, representing different concepts:
1. VCM (Vehicle Control ...[Details]
It is not difficult to design LED driver power supply. The experience of predecessors can often help engineers avoid many detours. The ancients said: The nature of a gentleman is not different, but...[Details]
1 Introduction
SD card is a flash based memory card.
The difference between SD card and MMC card is that the initialization process is different.
The communication protocols of SD cards inc...[Details]
Display screen
Getting started
LED
is
the abbreviation of
light
emitting
diode, or LED for short.
LED display screen
(LED panel) is a display screen composed of LED ...[Details]