[i=s] This post was last edited by qwqwqw2088 on 2014-5-6 18:58[/i] [align=left][font="][size=12.0pt][b]Block diagram[/b][/size][/font][/align][align=left][font="][size=12.0pt][b] [/b][/size][/font][/...
When testing the GPIO_KEY_LED routine, I found that the JOYSTICK did not respond when pressed, and the LED kept displaying a ticker. Looking at the code, I found that this was the LED display state wh...
If you are a mobile phone power management expert and want to work in Beijing, please contact me at rebecca.xue@shiningcareer.com.cn ., QQ 617060970...
The s3c2440 board sets GPB1, 3, 5, 7 as inputs and reads GPBDAT. The program is as follows: U32 temp; rGPGCON = rGPGCON & (~((3<<14)|(3<<10)|(3<<6)|(3<<2))); rGPGUP = rGPGUP & ~0xaa|0xaa; temp = rGPGD...
My computer uses the school's DR.COM dial-up to the Internet. How can I achieve multi-user Internet access on a single machine? Urgent! The premise is to use the WINDOS operating system. Only one user...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[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]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[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]
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]
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]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[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]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[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]
Wireless Connectivity
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