RastKad4

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RastKad4

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Introduction

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This is the first robot of Bilal, one of my students. He wanted to build a robot without any programmable circuit nor connection to a computer. It uses four SN74150 (digital multiplexers of 16 inputs) to take decisions, and some logic gates. It has 4 LDR sensors to sense light in any horizontal direction. Two wheels attached to two geared motors and a custom ball caster -made of a roll-on deodorant-. Unfortunately it doesn't work. There are a lot of connections in the breadboards that fails ...

RastKad4
RastKad4

This is the first robot of Bilal, one of my students. He wanted to build a robot without any programmable circuit nor connection to a computer.

It uses four SN74150 (digital multiplexers of 16 inputs) to take decisions, and some logic gates.

circuits

It has 4 LDR sensors to sense light in any horizontal direction.

sensors

Two wheels attached to two geared motors and a custom ball caster -made of a roll-on deodorant-.

Unfortunately it doesn't work. There are a lot of connections in the breadboards that fails sometimes.

The next step is to substitute the circuit blocs that works properly with perforated printed circuits.

Follows light

Actuators / output devices: 2 geared motors
CPU: only combinational digital circuits
Power source: 5V, 2x 4
Sensors / input devices: 4 LDR
Target environment: indoor, flat surfaces

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RastKad4

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