Zero-drift amplifiers use a unique self-correcting technique to provide ultra-low input offset voltage (Vos) and near-zero input offset voltage drift over time and temperature (dVos/dT) for general-pu...
It is a 1MHZ PWM signal. The 12V side is stepped down to 5V and fed to the microcontroller. It is found that the 5V power supply has more burrs, causing the PWM output waveform to be distorted. 12V 24...
When I read and write the SD card, FR_NOT_READY is always returned. The waveforms of the CD and DATA0 pins measured with an oscilloscope are abnormal. The SD card is powered by 3.3V and the processor ...
After many rounds of repeated testing, the first version of our forum app is now online! It does not take up memory, and you can easily browse the forum by scanning the code. Welcome everyone to exper...
It is very common to use a single-chip microcomputer. However, in FPGA, due to floating-point arithmetic problems, it is troublesome to use PID.
The following is a PID Verilog program I designed. It s...
[size=14px]Ubuntu 16.04 [/size]Compile C++ program. Error: expected class-name before '{' token { The error location uses the inherited class CompressedDepthSubm: public CompressedDepthSubscriber libr...
On April 13, Shaanxi Construction Engineering Group Co., Ltd. (hereinafter referred to as "Shaanxi Construction Engineering") announced the "Announcement on the Signing of Major Contracts by Subsidia...[Details]
Siemens inverter is an electric device that can change the running frequency and voltage of the motor, also known as "speed regulator" or "variable frequency speed regulator". It can control the vo...[Details]
Use 358 to make an adder, through ADC0831 AD conversion, 51 single-chip microcomputer control, it can measure the voltage value from positive 2.5V to negative 2.5V. It can be expanded to measure larg...[Details]
High performance infrared remote control switch circuit
The transmitter uses 555 connected as a multivibrator, the oscillator frequency is 35KHZ, driving the infrared transmittin...[Details]
An optical power meter is used to measure the absolute optical power or the relative loss of optical power through a section of optical fiber. It is the most basic fiber optic equipment, much like a ...[Details]
The latest trend in the semiconductor market is the widespread adoption of silicon carbide (SiC) devices, including Schottky barrier diodes (SBDs) and power MOSFETs for industrial and automotive appl...[Details]
When playing with STM32, J-LINK emulator is good, but J-Link is expensive. Fortunately, STM32 has its own bootloader, which can download programs through the serial port. I think the serial port down...[Details]
Transmission/reflection spectrum measurement is an important optical property of the material itself and a basic means of spectrum measurement. It usually requires the use of spectrometers, light sou...[Details]
1: The following error occurs when compiling with C51 Keil: error C249: 'DATA': SEGMENT TOO LARGE, error C249: 'DATA': SEGMENT TOO LARGE Solution: Set as follows 2: Warning appears in C51 Kei...[Details]
Today, vivo’s official Weibo account announced that the X50 Pro+, which features full-focal-length intelligent imaging, is officially on sale. It is reported that the vivo X50 Pro+ uses a 6.56-inch 1...[Details]
The power supply of outdoor square dance pull-rod speakers has always been mainly lead-acid batteries, with an output voltage of 9.5V-14.6V. The direct-supply audio amplifier chip can output 20W/chan...[Details]
1 Introduction
Current electronic instruments and equipment are mainly composed of electronic components and semiconductor devices. There are two problems: first, many components, especially s...[Details]
Automotive technology is always developing at a speed that people can't imagine. Ensuring the safety of vehicles and passengers as much as possible is an important theme in today's vehicle developm...[Details]
TCP/IP is used to report collected data, and a data buffer is established in the form of a structure. When assigning initial values to the structure as a whole (for example, the frame header can be...[Details]
Non-contact temperature sensor is a sensor that uses infrared technology to measure the surface temperature of an object. It has the advantages of fast measurement speed, high accuracy, and no envi...[Details]
Analogue and Mixed Signal
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