FAB ACADEMY 2015 K.Paul Rutto

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The assignment for this week was to complete my final project( the alarm) Questions to be solved: will it work and cost. what will happen when? Once i test the alarm system ,it will costs 11USD. What learned? Applications of fabrication. Demand -vs supply-side time development:Well proportional

The schematic diagram of the alarm system as shown below

Download alarm schemat

Download alarm board

PARTS LIST:motion sensor,PCB, voltage regulator(7805),transistor Tip 122,buzzer,jumper wires, diodes,resistors 1k and 1ok Attiny 44 microtroller, solder wire,20 microfarad capacitor,programmer and PC.

The generated board as shown below

Circuit development in progress as shown below,i bought some components in shop the rest i got in thelab

3D printing of the alarm discase as shown below

3D printed discase as shown below

Download CAD file for the discase