If any forum friends know, please tell me. The previous chip was a 51 core, and the screen was a segment code screen. Now I want to change it to an OLED screen. I feel that the chip cannot drive the O...
There are many types of analog signal sensors according to their uses, such as gas sensors, temperature sensors, pressure sensors, light sensors, soil moisture sensors and flame sensors.
1. Light dete...
I would like to ask you a question. We are currently looking to purchase some Zigbee devices for university research and to study the use of Zigbee for wireless monitoring of construction sites. Since...
The installation path is C:\Program Files (x86)\Cypress\PSoC Creator\2.2\PSoC Creator\examples\sampleprojects. I want to see what the SARADC interrupt service function does in the following example AD...
DC-DC step-down needs to be divided into two paths, each path requires a step-down chip and an inductor, and outputs different voltages. Due to the PCB size, these two inductors will be placed side by...
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]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[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]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]
1 Introduction
In order to cope with the energy crisis and slow down global warming, many countries have begun to pay attention to energy conservation and emission reduction and the de...[Details]
There are two main ways to measure temperature: one is the traditional contact measurement, and the other is
non-contact measurement represented by
infrared temperature measurement
. Tradit...[Details]
0 Introduction
In microwave, radar, radio and television, and communication systems, the problem of coupling RF power is often encountered. A directional coupler is a directional power divide...[Details]
When programming in C and assembly, there are interface issues between variables and functions in C and assembly.
Variables defined in a C program are put into the .bss area after being compile...[Details]
Discrete Device
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