[b] When mapping a product circuit: It can be determined that it is an optocoupler, with a total of 8 pins, 1 and 3 pins are empty, 2 and 3 pins are LED terminals, 8 and 5 pins are connected to power ...
Location: Shanghai Company type: Entrepreneurial software company Time: Valid until the end of February Requirements: 1. Know how to write programs with Windows SDK 2. Know any direction of drivers, n...
Hello, all experts.I recently had an idea.I don’t want to buy it ready-made. I want to try DIY single chip 51.I hope it can be used to record 1~2 songswith a music IC.Please feel free to give me some ...
I want to use FPGA to do a digital down-conversion recently. I don't know if the multiplier in FPGA can input a frequency generated by NCO into the multiplier, multiply it with the signal sampled by A...
My purpose is, for example, to power the +5V and -5V of an op amp, can the ground of one be connected to the 5V of the other? If not, please provide a solution. Thank you!...
I just bought a mini2440 development board from FriendlyArm. According to their user manual, after setting up the "HyperTerminal", I turned on the power and booted from NOR FLASH. Every time I enter a...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
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]
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]
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]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
1 Theoretical Analysis
Ultrasonic waves
When propagating in a suspension, the ultrasonic waves that encounter the suspended particles are scattered and attenuated at the interface, an...[Details]
Many industrial fields such as industrial automation, logistics, and smart grids require that machinery and products be safe and have passed functional safety certification. When developing machine...[Details]
As the electromagnetic environment in space becomes increasingly complex, the shielded cables used to transmit weak signals in the test system are easily affected by external electromagnetic distur...[Details]
1 Introduction
The automobile drum test bench (also known as chassis dynamometer) is a large-scale indoor automobile test equipment and a bench test system for completing automobile whole vehi...[Details]
In a network-centric battlefield, all systems (platforms) are interconnected nodes that work together to provide mission-critical information to military personnel. This approach is driving the dev...[Details]