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Turn off and on the fan by touching the switch - KT964

Turn off and on the fan by touching the switch - KT964

SKU:KT964

1000 in stock

Regular price Rs. 230.00
Regular price Sale price Rs. 230.00
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KIT INCLUDED:


HARDWARE REQUIRED

PIN DESCRIPTION

555 TIMER IC

Pin

Name

Purpose

1

GND

Ground reference voltage, low level (0 V)

2

TRIG

The OUT pin goes high and a timing interval starts when this input falls below 1/2 of CTRL voltage (which is typically 1/3 Vcc, CTRL being 2/3 Vcc by default if CTRL is left open). In other words, OUT is high as long as the trigger low. Output of the timer totally depends upon the amplitude of the external trigger voltage applied to this pin.

3

OUT

This output is driven to approximately 1.7 V below +Vcc, or to GND.

4

RESET

A timing interval may be reset by driving this input to GND, but the timing does not begin again until RESET rises above approximately 0.7 volts. Overrides TRIG which overrides threshold.

5

CTRL

Provides “control” access to the internal voltage divider (by default, 2/3 Vcc).

6

THR

The timing (OUT high) interval ends when the voltage at threshold is greater than that at CTRL (2/3 Vcc if CTRL is open).

7

DIS

Open collector output which may discharge a capacitor between intervals. In phase with output.

8

Vcc

Positive supply voltage, which is usually between 3 and 15 V depending on the variation.

CIRCUIT DESCRIPTION

  • Pin 1 of 555 TIMER IC to negative rail of BREADBAORD
  • pin 8 of of 555 TIMER IC positive rail of BREADBOARD
  • connect pin 4 of 555 TIMER IC to pin 8 of 555 TIMER IC
  • connect two steel metal pin plate at pin 1 and 2 of 555 TIMER IC
  • connect two steel metal pin plate at pin 6 and 8 of 555 TIMER IC
  • connect dc motor one point at pin 1 of 555 TIMER IC and another point at pin 3 of 555 TIMER IC

WORKING

  • When we touch the lower steel pins, motor will turn on and started rotating.

  • When we touch the upper steel pins, motor will turn off.