Experts, I need -5V power supply for 7135 chip. But transformer can only provide +5V voltage. How to convert +5V to -5V? Can it be realized with chip? Experts, please give me some advice. Thank you. O...
2006/6/12 Practical Information Part 3 - Review of Five Short-Range Wireless Interconnect Technologies
2006/6/30 [Classic Book] Bluetooth Core Technology (for reference by researchers and developers i...
1. The power supply uses an AC-DC5V transformer. A self-recovery fuse is added at the entrance of the board to prevent short circuit and other faults in the circuit. A 10uH inductor is added to the in...
Hello everyone! I have a chip in my hand, which should be a single-chip microcomputer, packaged as QFP, 80 pins, and the silk screen content on the chip surface is as follows: 7CF5V6T[u]G4[/u] 6502130...
I want to use EXCEL to fill in the numerical verification of the results generated by Matlab, mainly for the convenience of archiving and viewing later. I wrote a small program that automatically repl...
The TMS320F28335 contains a 12-bit AD converter with the following features: 12-bit ADC core with built-in (sample and hold) S/H Analog input: 0.0V to 3.0V (voltages above 3.0V produce full-scale conv...
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[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]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
1 Introduction
Fieldbus is a serial, digital, multi-point communication data bus between field equipment/instruments installed in the production process area and automatic control devices/syst...[Details]
0 Introduction
Pneumatic
artificial muscle,
also known as pneumatic muscle actuator (PMA), began to be studied in the 1950s. In recent years, it has been widely studied and applied ...[Details]