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PROJECT DESCRIPTION

A desired number is entered from a keypad interfaced to the microcontroller of the 8051 family. Upon activation, the system starts counting down ie, one in each second until the set of number reaches zero. A Relay switches the load on & off for every count thus can be used for testing the switching life cycle of the product.

The working life of many products such as lamps depend on the number of on/off cycles they encounter. This project is designed to be used in industries for testing the life cycles of such electrical loads (lamps, motors etc) using down counter.

7-segment displays are used for displaying number/count. Once the circuit is powered, the counter is set using keypad to count down anywhere from 999 to 1. Counter starts decrementing from the set number to 0, and simultaneously making the load (i.e. bulb in this circuit) turn on and off on every count using a relay. On reaching the zero count, it finally remains off.

This project can be further enhanced by using mono-stable triggering device to stop the counter in the event of failure of the load before reaching zero. Thus, exact switching life cycle of any load can be estimated.

PROJECT HIGHLIGHTS
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
Call/mail for Tech Support from 10 am - 7 pm.
Can be Customized for Arduino, Raspberry Pi, PIC
BLOCK DIAGRAM
Down Counter for Industrial Load Operation
Hardware Requirements
  • 8051 series Microcontroller
  • Keypad
  • 7 Segment Displays
  • Lamp
  • Transformer
  • Voltage Regulator
  • Diodes
  • Relay
  • Transistor
  • Crystal
  • Resistors
  • Capacitors
  • LED
  • Switch
Software Requirements
  • Keil compiler
  • Language: Embedded C or Assembly.
Q & A
Q:  Which microcontroller is used in this project?
A:  The microcontroller used in this project is a 40 pin IC from 8051 family.
Q:  Where is this concept applicable?
A:  This concept is applicable in industries to test the life cycle of an electrical/ electronic product.
Q:  What is the maximum cycle count in this system?
A:  The maximum cycle count used in this system is 999
Q:  How to enter the cycle count?
A:  The cycle count can be entered by using a numeric keypad provided along with this kit.
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Telangana, India
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