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Remote control on/off circuitry using a walkie-talkie.?

I made a remote control using walkie talkies. I have almost enough voltage coming from a battery to activate a relay, and when I press the button on one walkie talkie, the other gives a burst of power from the speaker wires that activates the relay. After that, the relay stays on, but I want to be able to turn it back off by sending the signal again. The relay takes about 10 volts, and the speaker from the walkie talkies gives less than one volt. How would I be able to make the circuit so that the first extra burst from the speaker turns the circuit on, and a second turns it off?

You need 2 relays.
Look at the hand sketch I made:
http://www.east-west-exchange.com/relayflipflop.JPG
The first relay “A” comes on and off depending on the talk button on the sending unit.
While nothing happened, its CO contact has enabled capacitor “C” to charge via “R2″. When relay “A” switches, the full capacitor discharges through the relay “B” coil. Relay “B” comes on and holds itself via “R3″ and its own contact. This condition remains also when the talk button is released. But that will cause relay “A” to drop and the capacitor “C” gets discharged via “R1″.
Next time you press the talk button, relay “A” comes again, but this time puts a discharged capacitor across the relay “B” coil. This will cause relay “B” to drop.
From the on, the cycle can start again.
Basically, this is called a Flip-Flop, but in relay version.
As a guideline, the resistors should be
R1 = 10kOhm
R2 = 1.2 kOhm
R3 = 4.7 kOhm
C = 47 uF
But you have to play around, because it depends on the relay “B” and the voltage for driving “B” you will be using….

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Why Organizations Hire Motivational Speakers?

Recession, job cuts, lay-offs and pink slips are the most common terms heard now-a-days. Employees feel blessed to just have a job in hand, even for a low salary paid to them. But the organizations all promise them that this recession period is only short-lived and that the boom period will be back in no time for all sectors. So, how to maintain the work force in the organization and have their continuous support and contribution in achieving the organization’s aims? It can be done by boosting the morale of the employees and this can be only achieved by motivating the employees to contribute their best for the company’s benefit.
Motivation is an encouragement given to a person to go ahead and pursue what he/she desires. Motivating employees is highly advantageous as the employees are made aware of their capabilities and efficiency in contributing to the organization’s objectives. At the same time, employees should be motivated in such a way that they too feel satisfied at the end of their contribution. This way both the organization and employees are benefited. Hence, here is the reason why organizations hire the walky-talky incentives called ‘motivational speakers’. Occasional talks by these speakers really help to keep the employees’ confidence up and boost their performance.  The speeches by the motivational speakers are kept participative so as to allow employees to involve themselves and accordingly the speakers help them and motivate them. Motivation speaker consultants, who are professionals in conducting motivation seminars are experienced and come up with a variety of techniques to motivate the employees. These speakers are experienced in their field and have a great knack of understanding people just right and motivating them to achieve their set goals. The speeches are not kept boring or as a monologue but instead include innovative methods to involve the audience support and also have a touch of humor, as nothing appeals better  to people than humor. One feels motivated by listening to stories of great men, relating to them and hence the desire to achieve springs up in him/her. The level of motivation induced into employees greatly depends on the power of the speaker in motivating them.
Keynote speakers however keep the session short and are hired to ponder over certain issues, like, an organization facing low output may get a keynote speaker to address the employees and help them realize their potentials and contribute their level best to the company.
Monotony may bore employees and often make them slow down on their productiveness and hence make them perform below their capacity. But a sudden boost given by these motivational speakers might not only recharge their caliber but also help them come up with innovative ideas. These speakers have the creative minds of the employees’ ticking. The motivational speeches inspire individuals to think out of the box, try things they have never or hesitated to try before. The speakers make employees think of things they would like to do in their own way which would satisfy them as well as have the needs of the organization fulfilled.
Therefore, the hiring motivational speakers always has favorable results for an organization, as it guarantees better performance by the work force in an organization by helping an employee’s maximize his ability in contributing to the success of an organization or by introducing new and improved techniques in the usual work pattern of the organization.

About the Author

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