[font=Tahoma, Helvetica, SimSun, sans-serif][size=5][color=#ff0000]libexec/gcc/arm-linux-gnueabihf/4.9/cc1: error while loading shared libraries: libz.so.1: cannot open shared object file: No such fil...
The work location is Jintian Road, Futian Center District. It is a Hong Kong-funded R&D company with a history of more than ten years. The company is small, with about 30 people. The working atmospher...
[size=4]Hello everyone, I have a question: [/size] [size=14px][size=4] [/size][/size][size=14px]I use gl850a to make a 1-to-18 USB hub. I have tested it and found that it is very unstable under Window...
I have a project that uses ARM7 (Filipu lpc2368 chip) + UC/OS-II real-time operating system. I want to implement SMS sending and receiving. How can I do it? The mobile phone sends SMS short message in...
[i=s]This post was last edited by Marsham on 2021-9-8 16:50[/i]I have never used TI chips before. After looking at the examples, I found that both callback and blocking require active reading of data,...
The attachment is a design idea, in which the 8MHz crystal oscillator is divided down to 0.8Hz as the gate signal. Gate signal: Duty cycle is 80%; low level time is 0.25s; high level time is 1s (gate)...
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]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[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]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[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]
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 to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]