Page 278 - Robots Androids and Animatrons : 12 Incredible Projects You Can Build

Electronics
(1) 5V CMOS op-amp ALD 1702 or equivalent
1
(1) 33K-ohm, / 4-W resistor
(1) CdS photoresistor
(1) 4.7K-ohm potentiometer (PC mount)
(2) 15K-ohm resistors
(1) 0.0047- F capacitor
(1) TiP 120 NPN Darlington
(1) PCB

A kit containing all the above components is $65.00. Shipping and
handling via UPS Ground Service is $9.50. New York state residents
add 8.25% sales tax.
Parts are available from:
Images SI, Inc.
39 Seneca Loop
Staten Island, NY 10314
(718) 698-8305
257

Team LRN Solar-ball robot