This little dude likes light

Project

This little dude likes light

Press

to mark as completed

Introduction

This is an automatic import from our previous community platform. Some things can look imperfect.

If you are the original author, please access your User Control Panel and update it.

Hi all ! That was my first robot, a few months ago. I wanted to start from scratch, so no micro-controller here ! It is a simple photophile robot, but it was a way to discover new fields to me like : electronic basisprinciple of gear motor reduction building a simple chassismaking a PCB of me ownThe principle First of all, I got inspired and guided by a french book named "Je construis mon premier robot mobile" by Frédéric Giamarchi. 2 photoresistors mesure the light from 2 different directions ...

This little dude likes light
This little dude likes light

Hi all !

That was my first robot, a few months ago. I wanted to start from scratch, so no micro-controller here !

It is a simple photophile robot, but it was a way to discover new fields to me like :

electronic basis
principle of gear motor reduction
building a simple chassis
making a PCB of me own

The principle

First of all, I got inspired and guided by a french book named "Je construis mon premier robot mobile" by Frédéric Giamarchi.

2 photoresistors mesure the light from 2 different directions (front/left and front/right), 2 comparators (LM393) compare the tension of the 2 photoresistors and activate (or not) one motor. A variable resistor allows to compensate the difference between the photoresistors.