[i=s] This post was last edited by paulhyde on 2014-9-15 03:13 [/i] Is there a 1W speaker in the component list of this year's Jiangsu Province Electronic Design Competition? How to solve it?...
I use 9V batteries to power the microcontroller system after processing them to 5V, but the circuit cannot work properly if the voltage is lower than 4.1V. I would like to ask everyone, who has a batt...
Since I can't simulate it, the reading data gaps I measured with an oscilloscope are all high levels. The calculated temperature is 0 degrees. I don't know what the problem is. Please answer it with a...
Without further ado, here are the pictures:I recently went on a business trip to a customer's site to debug equipment. The scene is shown above. The technical part I was responsible for included a fun...
There is an EEPROM on the GD32E230C development board, which is read and written through the I2C connection. The relevant files are mainly i2c.c and at24cxx.c and the corresponding header files. Copy ...
My name is You Binbin, 21 years old, male. I graduated from Electronics and Information Engineering, I am very familiar with the 51 single-chip microcomputer core, and I have two months of training ex...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
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