Quantity   Component name
1 × Digital USB Webcam Wallmart ( $ 38.00 BRL ~ U$ 12,15 )
1 × Arduino UNO Arduino Store ( U$ 22.00 )
5 × Colored status LEDs Ebay ( U$ 2.25)( 3R, 1G, 1B )
1 × 10 k Ohm potentiometer Sparkfun ( U$ 0.95 )
1 × Next Thing Co's $9 Microcomputer C.H.I.P. ( Selling paused ) C.H.I.P Store ( U$ 9.00 )
1 × Bluetooth shield for Arduino ( or HC-05 module alone ) ElecFreaks ( U$ 18.00 )
1 × HT12E and HT12D( Encoder and Decoder ) Ebay ( U$ 1.90 )
1 × Pair of RF 433 MHz modules Ebay ( U$ 0.99 )
3 × Infrared LEDs IR ( 1 Receiver and 2 Emitter ) Ebay ( U$ 1.45 ) ( Kit with 10 pairs )
1 × 10K 1/4W Resistor R1 (RF-Transmitter)
2 × 220R 1/4W Resistor R2 e R3 (RF-Transmitter)
1 × 750K 1/4W Resistor R4 (RF-Transmitter)
1 × 50K 1/4W Resistor R1 (RF-Receiver)
1 × 470R 1/4W Resistor R2 (RF-Receiver)
1 × NPN transistor BC547 Sparkfun ( U$ 0.50 )
1 × Tsop 1838 Sparkfun ( U$ 1.95 )
1 × Op Amp LM358 Sparkfun ( U$ 0.95 )