The E&L File

Contents

Introduction How the E & L File is organised üi

E & L Board Kits vi

Solutions to Design Problems ix

Systems Designer Reference Sheets xi

Digital Systems 1 1

Digital Systems 1 How the Boards Work 20

Digital Systems 2 32

Digital Systems 2 How the Boards Work 47

Analogue Systems 56

Analogue Systems How the Boards Work 73

Digital Systems 3 Sequential Control 83

Programmable Control 88

Remote Control 98

Stepper Motor Control 99