| Hemisson Base Specification | |
| Elements | Technical Information |
| Processor | PIC16F877(20MHz CPU clock, 8bit, 8k words program memory.) |
| Motors | 2 independently driven DC motors, one per each wheel. Zero turning radius. Open loop control without encoders. |
| Sensors | 8 dual-function infrared light sensors. Can be used for either passive ambient light detection mode, or in active reflective IR proximity detection mode. 2 of the 8 point down for line-following applications. |
| Power | Powered by a 9 Volt removeable battery. Standard connector. |
| IO Interface |
1 DB9 RS232 serial port for communication with host computer. 1 TV remote (infrared) receiver. 1 programmable buzzer. 4 programmable LEDs 4 programmable switches. |
| Extensions |
extension bus for additional (stackable) modules. 1 slot for a felt pen in the center of the robot. |
| Size | 12 cm (4.7") |
| Weight | 200g |