Budget Robot based on the Propeller

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Budget Robot based on the Propeller Quickstart

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Introduction

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The goal here was to create a as functional a Propeller robot as possible for less than $50. The Bluetooth capability pushes it over the $50 mark, but I thought it was a feature that was worthwhile for someone beginning in robotics. I was able to adapt a mini-BASIC to run over the Bluetooth connection which accepts BASIC programs like this one. 10 FORWARD 15020 PRINT HCSR0430 IF HCSR04 < 150 THEN BACKWARD 20030 IF HCSR04 < 150 THEN RIGHT 25040 GOTO 10

Budget Robot based on the Propeller Quickstart
Budget Robot based on the Propeller Quickstart

Budget Robot based on the Propeller Quickstart

10 FORWARD 150
20 PRINT HCSR04
30 IF HCSR04 < 150 THEN BACKWARD 200
30 IF HCSR04 < 150 THEN RIGHT 250
40 GOTO 10

Program in BASIC via Bluetooth connection, wander aimlessly.

Actuators / output devices: Two 5v Stepper Motors
Control method: Semi-autonomous, Bluetooth
CPU: Parallax Propeller
Power source: 4-AA Batteries
Programming language: Propeller Spin / BASIC
Sensors / input devices: IR, HC-SR04
Target environment: indoor

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Budget Robot based on the Propeller Quickstart

Budget Robot based on the Propeller Quickstart

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