The heavy oil oval gear flowmeter is a volumetric flowmeter . The measurement principle is that the liquid flows in the flowmeter, and a differential pressure will be formed at both ends of the inlet ...
[i=s] This post was last edited by ma19920829 on 2015-7-10 15:18 [/i] [code]#include "reg51.h" #define UINT unsigned int #define ULONG unsigned long #define UCHAR unsigned char /* Traffic light variab...
I want to ask all the experts, I want to find an ADC with built-in AGC function, preferably 12bit, 20MSPS. I have searched for some information on the Internet but I can't find such an ADC. Many circu...
[i=s] This post was last edited by paulhyde on 2014-9-15 03:26 [/i] I don't know why the zigbee wireless is not working and I can't read the tag data :Cry:...
[i=s]This post was last edited by paulhyde on 2014-9-15 04:20[/i] [b]E-contest topic - Remote temperature and humidity measurement system 1. E-contest topic task: [/b] Make a remote temperature and hu...
The 2450 Touchscreen Digital SourceMeter is Keithley's new generation digital source meter (SMU) instrument, which truly brings Ohm's law (current, voltage and resistance) testing to your fingertips. ...
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]
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]
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]
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]
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]
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]
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]
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]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[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]
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]
Embedded System
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