Скачать или смотреть MB-36 Timer Relay Kit

This kit is designed to control external devices via the relay according to the user pre-set timer. By turning the on board’s potentiometer, the time timing can be adjusted by the user. The 555 IC timer is configured in astable mode which is also known as one-shot pulse. By tuning the potentiometer, the resistance of potentiometer will change. The changing of resistance will cause charging or discharging time of 555 IC timer. It is subsequently affect the time timing (pulse) generated by 555 IC timer. Thus, the relay can be controlled based on the time which is set by the user. The minimum and maximum time period of this kit are 0.5s(min) and 60s(max) respectively.

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