SWiTCH
boTton
NEGRTiVE CRP LEĄO
TO PiN 4 ON IC ^
TO TiMER Tąi\NSiSTOR
TO OPPER-RiGHT PiN ON REL.AY
RELAy SOLDERiNG
1. Sacrificial Computer mouse 2.22-guage stranded hook-up wire 3.9V battery snap
4. IR light sensors
5. SP/ST touch switch
6. 2N3904 (or PN2222) transistor
7. LED
8. Piastic piece 9.2 DC motors
10.5V DT/DT relay
11. LM386 audio op amp
12.10pF to 10pF electrolytic capacitor
13. 1 kił to 20klł resistor
14. 1 kił resistor
15. Rubber band
16. SP/ST toggle switch 17.9V battery
18. 22-guage solid hook-up wire
Wires Transistor.
Cap. and Relay
Negative Battery Wire
Negatwe Junction Wire to Pin 4 on IC
IM386 with
— Ncgntivc Wire Junction on Pin 4. Motor Wires on Pin 5. and Relay on Pin 6. Pins 1 and 8 are Sotdercd to Each Otbor