As shown in the figure above, the red box shows the combination of two op amps outputting a 1mA constant current to the RTD (PT100) below.My questions:
I don't quite understand the principle of how th...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:15 [/i] NEC Cup Electronic Design Competition provides English information on the chip D78F1203 MCU...
The watchdog has three working modes: stop mode, timer mode, and watchdog mode. The control register WDTCTL consists of two parts. The upper 8 bits are used as passwords, and the lower 8 bits are used...
There is a 12-bit AD converter that converts analog quantity into digital quantity, and four seven-segment digital tubes are used to display the analog quantity. The unit machine uses an 8-bit 89C51, ...
To celebrate Chinese Valentine's Day! Post a help thread :pleased: Heroes! Do you have any recommendations for solutions for frequent long-distance wireless communication? The data transmission requir...
The proper f[size=1]LCD[/size] frequency depends on the LCD's frame frequency and the LCD multiplex rate and is calculated by: f[size=1]LCD[/size] = 2 × mux × f[size=1]Frame [/size]For example, to cal...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[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]
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]
At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]
The biggest advantage of Profibus is that it is guaranteed by the stable international standard EN50170 and has been proven to be universal in practical applications. It has been widely used in man...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
The number of timers/counters and interrupt sources directly determines the performance of the microcontroller. The MCS-51 microcontroller has two programmable 16-bit timers/counters and five inter...[Details]
The programmable controller directly controls the stepper motor, which can significantly reduce the cost of the control system of the modular machine tool automatic production line. The article int...[Details]
Analog electronics
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