555 Nintendo game timer circuit

Published:2011/6/4 6:06:00 Author:nelly | Keyword: Nintendo, timer | From:SeekIC

As shown on the figure 11-13, the timer consists of relay control circuit and monostable timing circuit which is made up of 555, RP1 and C1. Turning on the AN1, the 555 circuit will be onset because the 2 foot is the ground potential, the 3 foot is high power level, the J is pull-in. The J1-1's contact will be on-state, the game opens and starts together. The timing time: td=1.1RP1C1. The timing time is about 10 minutes. It can use RP1 to change the time.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Signal_Processing/555_Nintendo_game_timer_circuit.html

Print this Page | Comments | Reading(3)