ERO Rev. 2

ERO 2 was also based on the MRC Thunderking R/C platform and the 68HC11 microprocessor. This revision was defined primarily by a more refined body. Features of ERO 2 over ERO 1 include...

• Greatly improved IR horizontal sensors (3' range vs. 6" range)
• Added IR vertical sensors for line following
• Added sonar sensors mounted on servos for full 180° sweep capability
• Added 2^nd processor board - Motorola DSP56302 - primarily used as a speech recognition peripheral

Toddler

*** Click on any image to enlarge ***

Side view	Bottom view	2nd floor exposed
Motor, Speed Controller, Bumper	Bumper	Power supply board
Encoder wheel...	...& sensor board	Horizontal IR sensors, Servo-mounted sonars, Processor boards
Sonar driver boards	3rd floor view	Processor (68HC11) board
V8600 Text-To-Speech module	Digital board 2...	...wire-wrap side