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Title: working principle of simple touch alarm pdf
Page Link: working principle of simple touch alarm pdf -
Posted By: amitabh_shahrukh2
Created at: Thursday 17th of August 2017 08:12:06 AM
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This simple Touch Switch is developed by using 555 timer IC operated as a MONOSTABLE vibrator. Here the stable stage is LOW, so the timer outputs low after the trigger is removed. Basically in this circuit we will have a LED which turns ON when we touch a pin of timer. The LED will be ON for the time during which the trigger is present. Once the trigger is removed the LED turns OFF.
Circuit Components
+4 to +6 supply voltage
555 IC
470 , 100K resistors
10 F, 100nF (104) capacitors
LED
Touch plates
Circuit Diagram
Simple T ....etc
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Title: simple touch alarm circuit using ic 555 ppt
Page Link: simple touch alarm circuit using ic 555 ppt -
Posted By: VENKYSANDEEP
Created at: Thursday 17th of August 2017 06:03:44 AM
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simple touch alarm circuit using ic 555 ppt
Touch the sensor of the alarm with your finger and it starts beeping, goes on for some time and then stops. Touching it again, and it goes again! This little and flexible circuit consists of a touch sensor and a directly coupled transistor amplifier with a small loudspeaker as the output load. Two sensor strips of metal are mounted side by side on a 1 1 cm size micasheet and connected to the input of the circuit.
How the touch alarm works
Under normal conditions no current flows through switching ....etc
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Title: simple touch alarm circuit
Page Link: simple touch alarm circuit -
Posted By: kartikay
Created at: Thursday 05th of October 2017 05:12:46 AM
| advantages and disadvantages of simple touch alarm circuit using ic555,
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To get full information or details of simple touch alarm circuit please have a look on the pages
http://seminarsprojects.net/Thread-touch-sensitive-alarm
if you again feel trouble on simple touch alarm circuit please reply in that page and ask specific fields in simple touch alarm circuit ....etc
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Title: Check Out This Simple Beauty Advice That Works Wonders
Page Link: Check Out This Simple Beauty Advice That Works Wonders -
Posted By: Santanu
Created at: Thursday 17th of August 2017 06:17:14 AM
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Having high self-esteem can cause others to see you in a more positive light. Feeling beautiful will make you more confident, enthusiastic and positive. This makes others see you as beautiful, too. In this article, you will be given tips to have you feeling and looking your best. ....etc
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Title: sequential timer using ic555 circuit diagram ppt
Page Link: sequential timer using ic555 circuit diagram ppt -
Posted By: vipinfrancis
Created at: Thursday 17th of August 2017 05:09:55 AM
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sequential timer using ic555 please provide a circuit diagram for this .. thank you ....etc
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Title: simple touch alarm using ic555 ppt
Page Link: simple touch alarm using ic555 ppt -
Posted By: Jitender Rawat
Created at: Thursday 05th of October 2017 04:49:04 AM
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l need information regarding simple touch alarm ucing ic555 ....etc
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Title: advantage of metal detector using ic555
Page Link: advantage of metal detector using ic555 -
Posted By: mukesh9660
Created at: Thursday 17th of August 2017 08:32:35 AM
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Tell me da advanteges nd applications of METAL DETECTOR using IC 555 ....etc
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Title: complete info about fire alarm sys using ic555
Page Link: complete info about fire alarm sys using ic555 -
Posted By: amjad
Created at: Thursday 17th of August 2017 05:15:46 AM
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complete info about fire alarm sys using ic555
The purpose of a fire alarm system is to detect the unwanted presence of fire by monitoring environmental changes (such as temperature changes) associated with combustion. The Fire Alarm presented here is a simple fire detecting circuit employing a germanium diode (DR25) as the fire sensor (Thermistor in the circuit diagram should be replaced by this germanium diode). This fire detecting sensor utilizes the simple fact that in case of fires the room temperature rises rapidly, reaching temperatures ....etc
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Title: wireless dc motor speed control using ir and ic555
Page Link: wireless dc motor speed control using ir and ic555 -
Posted By: withluvjish
Created at: Thursday 17th of August 2017 06:35:21 AM
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PLEASE SEND ME CIRCUIT DIAGRAM OF PROJECT WIRELESS SPEED CONTROL DC MOTOR USING IR MODULATOR AND IC 555 ....etc
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Title: simple touch alarm using ic 555
Page Link: simple touch alarm using ic 555 -
Posted By: britjet13
Created at: Thursday 05th of October 2017 05:24:59 AM
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