Game Do you believe - do not believe? Encyclopedia of radio electronics and electrical engineering
Encyclopedia of radio electronics and electrical engineering / Beginner radio amateur
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The game "Do you believe - do not believe?" - an analogue of the famous card game. Each of the players, in order to win, must pass to the partner all the cards in his hand. The deck of cards is divided equally between the two players. The one who makes the first move puts one card upside down and calls its value: either true or not. The partner must answer whether he believes the opponent in the named card or not.
The following options are possible: 1) the first player correctly named the value of the card, and his partner agreed - "I believe" - the card remains with the first player; 2) the first player incorrectly named the value of the card, and his partner did not agree - "I do not believe" - the card also remains with the first player; 3) the first player correctly named the value of the card, but the partner did not agree, - “I don’t believe”, - the card goes to the partner, etc. The total number of combinations depends on three factors: the first player correctly or incorrectly called the card, which card he made move the first player that answered "opponent". Thus, the number of combinations is 23 - 8. The scheme of the device that implements the algorithm of this card game is shown in the figure.
(click to enlarge)
The device consists of two remote controls located at the partners. Each console has two buttons ("believe", "do not believe") and a toggle switch "player's move" with two positions: "0" and "1", as well as two scoreboards: "You won", "You lost". The circuit is made on two step searchers and one relay. The device works as follows. Let's say that partner A set the toggle switch to the "0" position and called the number 0, while his partner B turned his toggle switch to the "0" position and pressed the "Believe" button. In this position, through the closed contacts of the button S1 and the contacts of the relay K1, power will be supplied to the winding of the stepper finder SHI2, which will take one step, counting one point to partner 5. After partner A's move, partner 6 makes a move. Suppose B put the toggle switch in position "1 " and announced 0. Partner A turns on the toggle switch to position 0. At the same time, the power supply circuit of relay K.1 is open. If partner A believes and pressed the button S3 "I believe", then a circuit is formed: plus of the power source, closed contacts of relay K.1, winding SHI2, minus of the power source. The point is credited to partner B. The game continues until the partners light up the scoreboard: "You lost" or "You won."
Reset button S5 is used to reset step finders. When S5 is pressed, through the normally closed contacts of the step finders, their L2 lamellas and moving contacts plus the source are fed to the windings of the step finders. As a result, they work and return to their original state. The device uses buttons with one normally open contact, relay K1 - with two switching contacts for a voltage of 25 V (for example, RES-6), stepper switches of the SHI-25/4 type, S5 button with one normally open contact, incandescent bulbs 26V.
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