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Microcontroller: AVR ATMEGA8
Communication: RS485
chip: MAX485/MAX487
Requirements: One host and more than three slaves. (This example uses 3 slaves)
Working principle:
Three slaves:
Collect vol...[Details]
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This paper introduces a design of a power system harmonic analyzer based on dual TMS320F 28335. The analyzer can simultaneously realize the synchronous sampling of multi-channel signals (voltage an...[Details]
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In the circuits of communication systems, there are usually more than two power supplies. In actual engineering applications, batteries are often used for backup power supply. For these circuits, duri...[Details]
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According to foreign media reports, Farasis Energy, the world's leading lithium-ion soft-pack battery manufacturer, announced that it has achieved a milestone in the performance of its electric vehic...[Details]
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China Electronics Fair (CEF) and China International Small Motor Exhibition (SMTCE) join hands to promote the emergence of new intelligent connected products Beijing, China - June 23, 2021 - Rec...[Details]
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;Digital tube----Purpose: Learn table lookup and indirect addressing timer interrupt ;Complete code download address: http://www.51hei.com/f/smysh.rar CHIP SN8F27E65 //{{SONIX_CODE_OPTION .Code_O...[Details]
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#include
typedef struct
{
unsigned int array ;
unsigned int a;
unsigned char b;
unsigned int c;
unsigned int d;
float f;
}foo;
void main(void)
{
int addr=0;
addr...[Details]
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Introduction
Siemens S7-1200 is a compact, modular PLC that can complete tasks such as simple logic control, advanced logic control, HMI and network communication. It is easy to design and imp...[Details]
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According to the survey results of the domestic high-speed ball camera market in the first half of this year, high-definition high-speed ball cameras account for about 30% of the ball camera marke...[Details]
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The battery is the most reliable part of the UPS system, and the quality of the battery directly affects the reliability of the UPS. Keeping the battery charged (even when the UPS is shut down) ca...[Details]
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//Select RAO as the analog input channel; //Convert 4 times continuously and then calculate the average value as the conversion result //Finally, only the lower 8 bits are taken from the structure //...[Details]
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Sina Digital News, August 17th morning news, last month, Logitech launched the Folio Touch, a $160 keyboard accessory that can be used with the 2018 or 2020 iPad Pro. Now someone has written...[Details]
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A DC voltmeter is made up of a DC ammeter connected in series with an additional resistor. Since the internal resistance of the ammeter is very small and can only withstand very low voltages, when us...[Details]
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Large capacity, high speed and low power consumption have become the development focus of FPGA.
Embedded logic analysis tools cannot meet the requirements of universality. External testing too...[Details]
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The "Chengxing Platform" has been successfully mass-produced on more than a dozen models
Shenzhen, China – October 23, 2024 –
BlackBerry today announced that Shenzhen Zhuoyu Technolo...[Details]
Sensor
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