Bill Urmenyi Ltd.


Chapters

Foreword

Introduction

Mathematics

Electronic theory

Electronic components

Circuit diagrams

Tools

Test equipment

Construction

Power supplies

Sensors

Prime movers (e.g. motors)

Lights

Sound

Timers

Sequencers

Logic

Random

Microprocessors

Systems

List of topics

Power supplies:

            5 Volt power supply

            Unregulated mains power supply


Sensors

            Door switch

            Pressure Mat

            PIR detectors

            Temperature sensors

            Light sensors

            Infrared Light Beam

            Optical Computer Interface

            Sound sensors

            Microphone pre-amplifier for long cables

            Sound level detector

            Vibration sensors

            Proximity/touch sensors

            Position sensors

            Distance sensors

            Speed of movement sensors

            Direction of movement sensors

            Limit and position switches/sensors


 Signal conditioning

            Variable resistance sensors

            Signal level switches

            Signal level switch with dead-band

            Differential amplifiers

            Differential amplifier used to provide an offset

            Summing amplifiers

            Inverting amplifiers

            Differentiators

            Analogue to digital converters


Prime Movers (motors etc.)

            Turning motors on and off

            Changing direction of movement

            Changing direction of movement using electronic switching

            Speed control

            Limit switches

            Servos

            Stepper motors

            AC motors

            Solenoids

            Pneumatics


Lights

            LED’s

            LED switching circuit

            Incandescent (light bulbs)

            Fluorescent

            Neon

            Lasers


Sound

            Sound mute with pause output

            Low power audio amplifier

            Speech recorder and playback


 Music synthesizer

            +5 Volt and +10 Volt reference

            Voltage controlled oscillator

            Saw-tooth to square wave converter

            Saw-tooth to triangle wave converter

            Triangle to sine wave converter

            Voltage controlled filter

            Low pass filter

            Low pass filter with resonance

            High pass and band pass filter

            Noise generator

            Summing amplifier

            Low frequency oscillator

            Logarithmic amplifier

            Attack, sustain, decay and release ASDR

            Sample and hold and portamento

            Audio output circuit

            Complete synthesizer system


Timers

            Pulse stretchers

            Timers (pulse)

            Pulse generator for positive going inputs

            Pulse generator for negative going inputs

            Oscillators and pulse generators


Sequencers

            Time based sequencers

            Event based sequencer


Random

            Random event with external input

            Random time with external input

    Random events for random times with external input

            Basic random circuit without external input

            Random event without external input

            Random time without external input

            Random events lasting random times without external input  


Bill Urmenyi

 

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