[i=s] This post was last edited by shijizai on 2018-7-27 09:13 [/i] #define DS18B20_IO_IN1() {GPIOA->MODER&= 0MODER&= 0MODER|=0MODER&= 0MODER&= 0MODER|=1<<15*2;} //PA15 output mode The above is the pr...
Looking for a design idea for a switching circuit.
The microcontroller 0-3.3v PWM signal controls the on and off, generating a 0--15v voltage.
When the voltage is high, the output is 0V, and when the ...
[p=20, null, left][color=rgb(73, 73, 73)][font=Verdana, sans-serif][size=4][backcolor=white]USB is one of the most widely used transmission interfaces in the daily life of modern people. Due to the co...
Battery testing equipment is essential equipment and infrastructure for the battery manufacturing industry. As the demand for lithium batteries in applications such as electric vehicles and portable c...
Chuangrongfa has won the trust of many internationally renowned manufacturers with its design, products, scale and services. It is one of the few companies in the industry that has passed the audits o...
The 2410 simple routine under MDK is also a marquee, using a query timer, the external crystal oscillator is 12M, and the PLL is 120M;
MDK version is 4.23...
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]
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]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[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]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[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]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[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
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
stm32/stm8
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