Monday, 15 October 2012



Week : 16 (fyp sem 2)

Title : Timer circuit in automatic spray air freshner

Objective : Remove the timer circuit from automatic spray air freshner

Content / procedure :

 Purpose of removing the timer circuit from the automatic  spray air freshner is so that  I can use the mechanical part of the spray only.After i remove the timer circuit, I would connect the negative and positive source from the spray with the common and normally open part from the relay.

Result / analysis :

Figure 1 : Automatic spray air freshner before removing the timer circuit

Figure 2 : Automatic spray air freshner after removing the timer circuit

Figure 3 (a) : Timer circuit that have been remove from automatic spray air freshner (with back view)

Figure 3 (b) : Timer circuit that have been remove from automatic spray air freshner ( with front view)

Conclusion : The timer circuit have been remove and after this i will try to connect the positive terminal and negative terminal of automatic spray air freshner with the relay.

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