Little autonomous robot V1

Written by Administrator, on 29-10-2007 22:53

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My first little robot based on PICBASIC 3B microcontroller, SN754410 H-Bridge and GP2D02 infra-red distance sensor

Features

Comfile PICBASIC 3B microcontroller (it's a PIC 16f876 with a bootloader, a debuger and an integrated basic language interpreter [unfortunately it's an hideous language])
Motors drive by SN754410 H-bridge (Texas Instruments)
Sharp GP2D02 distance measuring sensor mounted on servomotor for sweeping
3 microswitchs for chocs detection
HP48 with terminal emulator for display and commands
Cybot chassis (motors and wheels)

Schematic

Click to enlarge

The Motor control board

The motor board is based on the SN754410 H-bridge (Texas Instruments). It's drived by PWM signal from the MCU. To lines come from the MCU board for PWM signal, and 2 lines for direction control.