Page 289 - Robots Androids and Animatrons : 12 Incredible Projects You Can Build

R5, 10K ohms
R7, 15K ohms
Q2, NPN 2N2222 transistor
Q3, TIP 120 NPN Darlington
IC1, 555 timer
C1 and C2, 22-microfarad ( F) capacitors
C3, 0.01- F capacitor
Rotary solenoid—$5.95
Q1 2N2646 UJT—$5.95
/ " thick / 2" wide 6" long aluminum bar—$1.50
1
1
8
1
1
/ 8" thick 1 / 4" wide 2" long aluminum bar—$1.00
Parts are available from:
Images SI, Inc.
39 Seneca Loop
Staten Island, NY 10314
(718) 698-8305
http://www.imagesco.com
268 Shipping and handling via UPS Ground—$9.50

Team LRN
Chapter thirteen