2002-04-06 - Robot platform I was building for Robo02

Top of the platform - sitting on the closed laptop used for programming the HC11

Bottom of the platform - showing the batteries installed underneath and upsidedown

Closeup of gear train

Closeup of optical sensors - small red LEDs on the corner, CDs cells in the center (CDs cell=optical resistor) - The CDs cells are hooked to A/D channels

Front end of Lego platform - notice 3 square bricks in the middle - those are optical sensor housing

2002-04-06 - Lego platform I was working on for Acroname's Robo02 - was driven by HC11+I/O+motor driver board

Holding the Lego together with twisted phone wire

Rear of Lego platform - drive wire for rear motor