advantage of touch sensitive musical bell

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Title: advantages of touch sensitive siren circuit diagram Page Link: advantages of touch sensitive siren circuit diagram - Posted By: shruk56 Created at: Thursday 17th of August 2017 06:16:45 AM
ADVANTAGES OF TOUCH SENSITIVE SIREN AND DETAILS OF CIRCUIT DIAGRAM, WORKING , REQUIREMENTS , APPLICATIONS ....etc [:=Read Full Message Here=:]



Title: advantage of super sensitive intruder alarm Page Link: advantage of super sensitive intruder alarm - Posted By: rahullalh Created at: Thursday 17th of August 2017 08:28:47 AM
advantage of super sensitive intruder alarm Super Sensitive Intruder Alarm Circuit Principle: IR transmitter always emits the IR (Infrared) rays which have to be received by IR receiver. When there is an obstacle in front of IR sensor, the transmitted IR rays are reflected back to the IR receiver. The output of Op-Amp is high when IR receiver receives the reflected IR rays. This output of operational amplifier is connected to the RESET pin of 555 timer. IR transmitter always emits the IR (Infrared) rays to which have been to be received by IR ....etc [:=Read Full Message Here=:]



Title: block diagram of low cost automatic gate light with musical bell Page Link: block diagram of low cost automatic gate light with musical bell - Posted By: meer_hassan68 Created at: Thursday 05th of October 2017 05:10:35 AM
applications and abstract of automatic gate light with musical bell ....etc [:=Read Full Message Here=:]
Title: ppt for touch sensitive switch Page Link: ppt for touch sensitive switch - Posted By: hemant87 Created at: Thursday 17th of August 2017 06:18:12 AM
i need a ppt on touch sensitive switch with minimum 15 slides ....etc [:=Read Full Message Here=:]
Title: polyphonic musical bell using ic hl 04 information for mini project Page Link: polyphonic musical bell using ic hl 04 information for mini project - Posted By: powerdude143 Created at: Thursday 05th of October 2017 05:06:39 AM
I WANT ALL INFORMATION RELATED TO POLYPHONIC MUSICAL BELL USING IC HL04. PLZ HELP ME.. ....etc [:=Read Full Message Here=:]
Title: project report touch sensitive siren Page Link: project report touch sensitive siren - Posted By: umesh Created at: Thursday 17th of August 2017 05:23:06 AM
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 transistors T1 and T2 and the potential acros ....etc [:=Read Full Message Here=:]
Title: Musical Touch Bell Page Link: Musical Touch Bell - Posted By: aiswarya Created at: Thursday 05th of October 2017 04:07:39 AM
Here is a musical call bell that can be operated by just bridging the gap between the touchplates with one s fingertips. Thus there is no need for a mechanical on / off switch because the touch-plates act as a switch. Other features include low cost and low power consumption. The bell can work on 1.5V or 3V, using one or two pencil cells, and can be used in homes and offices. Two transistors are used for sensing the finger touch and switching on a melody IC. Transistor BC548 is npn type while transistor BC558 is pnp type. The emitter of tr ....etc [:=Read Full Message Here=:]
Title: switchless musical calling bell with counter Page Link: switchless musical calling bell with counter - Posted By: abhicool30 Created at: Thursday 17th of August 2017 05:55:26 AM
i need switchless musical calling bell with counter material as i have to study and know the declartion of the project. ....etc [:=Read Full Message Here=:]
Title: switchless musical bell with calling counter pdf Page Link: switchless musical bell with calling counter pdf - Posted By: bev Created at: Thursday 17th of August 2017 06:58:18 AM
switchless musical bell with calling counter pdf switchless musical bell with calling counter pdf ....etc [:=Read Full Message Here=:]


Title: advantage dis advantage of electronic eye Page Link: advantage dis advantage of electronic eye - Posted By: haris ahmed Created at: Thursday 05th of October 2017 05:20:32 AM
advantage dis advantage of electronic eye Today science and technology are making advances at an amazing rate. So vast is its impact that people now fear the unthinkable. Technology can more appropriately be termed as a friend of humanity. Inventions are the best ways to serve the mankind. Today we are submerged in the sea of discoveries and inventions. The advantages, the society has received from these science inventions and discoveries are immeasurable. From telephones to the internet, calculators to computers, cars to rockets, we are mere ....etc [:=Read Full Message Here=:]

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