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Process
Devices
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See Outputs


P1

BC548B
High Gain
Transistor

Low Power Amplifier - Connects an input sensor to a low power output device or to Process P8 :Inverter - Changes a "switched on" voltage to a "switched off" voltage : Logic Interface - Produces a low or high output voltage that may be connected to logic circuits.


P1

BC548B
High Gain
Transistor

Inverter -


P1

BC548B
High Gain
Transistor

Logic Interface - Produces a low or high output voltage that may be connected to logic circuits.


P2

Darlington
Pair
Transistor
Higher Power/Sensitivity Amplfier - Connects an input sensor to more higher powered output devices : Electronic Switch - Turns on an output subsystem (or P8) when a sensor has reached a certain level :


P2

Darlington
Pair
Transistor
Electronic Switch - Turns on an output subsystem (or P8) when a sensor has reached a certain level.


P3

RC
Timer
Delay unit / Timer - Creates a short delay before its output voltage becomes the same as its input voltage.


P3

RC
Timer
Counter - waits until an input that is turning on and off to have switched for the required number of times.

P3
RC
Timer
Frequency to Voltage converter - Converts a pulsing input signal into a steady voltage (also known as an integrator).

P4
SCR106
Thyristor
Latch - Permanently turns a process or output device on when triggered (it is also resettable): Memory Store- Remembers an event that took place earlier by switching on and remaining on until reset.

P4
SCR106
Thyristor
Memory Store- Remembers an event that took place earlier by switching on and remaining on until reset.

P5
BC637
Output
Transistor
Power Amplifier- Increases the power/current from some process devices to drive higher power output devices :Inverter- Converts the "sourcing" output of a process module into a "sinking" output that can drive other outputs

P5
BC637
Output
Transistor
Inverter- Converts the "sourcing" output of a process module into a "sinking" output that can drive other outputs.

P6
CA3140
Op Amp
Comparator
Signal Comparer- Compares the output of a sensor with a known voltage and switches an output on if it is greater :Analogue to Digital Converter- Produces a logic high or logic low output voltage when an input has reached a certain level.

P6
CA3140
Op Amp
Comparator
Analogue to Digital Converter- Produces a logic high or logic low output voltage when an input has reached a certain level.

P7
555
Timer
Astable
Clock/Pulse Generator- Produces a pulsing signal that turns an output on and off at a chosen rate :Alert Controller- Repeatedly flashes a pair ofLED's on and off: Variable Tone Generator- Produces tones with a wide range of frequencies. These tones could be set to musical notes.

P7
555
Timer
Astable
Alert Controller- Repeatedly flashes two LED's on and off.

P7
555
Timer
Astable
Variable Tone Generator- Produces tones with a wide range of frequencies. These tones could be set to musical notes.


P8

555
Timer
Monostable
Timer/ Momentary Latch- Switches an output or process subsystem on for a short time and then back to off : Switch Debouncer- Removes the multiple pulses produced within a switch when it is operated.

P8
555
Timer
Monostable
Switch Debouncer- Removes the multiple pulses produced within a switch when it is operated.
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Outputs
Device
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See Processes
OP1

Filament Lamp Use as an indicator to visually show that something has happened or to illuminate.

OP1

Light Emitting Diode Use as a visual indicator to show if something is switched "on or off", or if something has happened.
OP1

On/Off Flashing L.E.D.'s Flashes two LED's on and off alternately to get attention.
OP1

Piezo Sounder (variable tone) Used to produce a wide range of quiet tones or musical notes.


OP1

Buzzer (mechanical fixed tone) Produces a clear alerting/warning sound.


OP2

Solenoid Use to make an electronic door lock or to move something linearly in and out.


OP2

Electromagnet Picks up materials that are Ferrous using a magnetic field.

OP2
Electromagnetic Counter A counter that registers events or simply counts up when pulsed.


OP2

D.C Motor 9-12 Volt Drives medium torque motors with "smoothing" against noise and protection from"Back emf".

OP2
D.C.Motor 3 Volt Drives small low torque motors with "smoothing" against noise and protection from"Back emf".


OP2

Miniature Loudspeaker 64 ohm (low power) Produces a wide range of clearly audible tones when supplied with a fast pulsing signal.

OP2
Piezo Siren Alarm A siren which produces an ear piercing warbling sound.

OP3
Relay (Double Pole Double throw D.P.D.T.) Allows seperate control of two different electrical circuits. It can switch circuits up to 5 amp/ 24volt.

OP3
Motor Reverser Changes the direction of rotation of a medium torque motor by the use of a relay.
See Inputs
See Processes
Tilt Switch - Non-Latching (+ or - going voltage) Detects something falling or leaning over. Tilt Switch - non latching
Slide Switch - Latching Type (+ or - going voltage) Operates when slid to the side. Slide Switch - latching
Magnetic Reed Switch - (+ or - going voltage) Triggered by a magnetic field avoiding the need for physical contact. Magnetic Reed Switch
Membrane Switch - Push to make (+ or - going voltage) Responds to being hit, pressed, walked on or detects an object being put into position. Push to Make Membrane
Push to Break Switch - Non Latching (+ or - going voltage) Detects if something has been let go, a wire cut, or if an object has been removed. Push to Break Switch
Micro Switch - Non Latching (+ or - going voltage) Used to detect the opening, closing, pushing, pulling of an object. Micro Switch - non latching
Key Switch - Latching (+ or - going voltage) Produces safety or security by the use of a key. Key Switch - latching
Angle Sensor - Potentiometer (+ going voltage) Indicates when something has turned through a required angle. Angle Sensor
Touch Sensor (+ going voltage) Detects the touch of a finger. Touch Sensor
Water Sensor - Moisture Probe (+ going voltage) Measures the dampness of a material or senses water. Water Sensor
Cold Sensor - Thermistor (+ going voltage) Senses when a falling temperature has decreased to a certain level. Thermistor Cold Sensor
Heat Sensor - Thermistor (+ going voltage) Senses when a rising temperature has reached a certain point Thermistor Heat Sensor
Dark Sensor - Light Dependent Resistor (+ going voltage) Detects when it has become dimmer or if there is darkness LDR Dark Sensor
Light Sensor - Light Dependent Resistor (+ going voltage) Detects when it has become brighter or if it is light. LDR Light Sensor
Select
SubSystem
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Input
Devices

See Processes
See Outputs


IP1

Light Sensor - Light Dependent Resistor (+ going voltage) Detects when it has become brighter or if it is light.


IP1

Dark Sensor - Light Dependent Resistor (+ going voltage) Detects when it has become dimmer or if there is darkness


IP1

Heat Sensor - Thermistor (+ going voltage) Senses when a rising temperature has reached a certain point


IP1

Cold Sensor - Thermistor (+ going voltage) Senses when a falling temperature has decreased to a certain level.


IP1

Water Sensor - Moisture Probe (+ going voltage) Measures the dampness of a material or senses water.


IP1

Touch Sensor (+ going voltage) Detects the touch of a finger.


IP1

Angle Sensor - Potentiometer (+ going voltage) Indicates when something has turned through a required angle.

IP2/3
Key Switch - Latching (+ or - going voltage) Produces safety or security by the use of a key.

IP2/3
Micro Switch - Non Latching (+ or - going voltage) Used to detect the opening, closing, pushing, pulling of an object.

IP2/3
Push to Break Switch - Non Latching (+ or - going voltage) Detects if something has been let go, a wire cut, or if an object has been removed.

IP2/3
Membrane Switch - Push to make (+ or - going voltage) Responds to being hit, pressed, walked on or detects an object being put into position.

IP2/3
Magnetic Reed Switch - (+ or - going voltage) Triggered by a magnetic field avoiding the need for physical contact.

IP2/3
Slide Switch - Latching Type (+ or - going voltage) Operates when slid to the side.

IP2/3
Tilt Switch - Non-Latching (+ or - going voltage) Detects something falling or leaning over.
Click here if you need help
Low Power Amplifier - Connects an input sensor to a low power output device or to Process P8 :Inverter - Changes a "switched on" voltage to a "switched off" voltage : Logic Interface - Produces a low or high output voltage that may be connected to logic circuits. Transistor - low power
Higher Power/Sensitivity Amplfier - Connects an input sensor to more higher powered output devices : Electronic Switch - Turns on an output subsystem (or P8) when a sensor has reached a certain level : Darlington Pair
Delay unit / Timer - Creates a short delay before its output voltage becomes the same as its input voltage. RC Timer
Latch - Permanently turns a process or output device on when triggered (it is also resettable): Memory Store- Remembers an event that took place earlier by switching on and remaining on until reset. Thyristor Latch (SCR)
Power Amplifier- Increases the power/current from some process devices to drive higher power output devices :Inverter- Converts the "sourcing" output of a process module into a "sinking" output that can drive other outputs Transistor - medium power
Clock/Pulse Generator- Produces a pulsing signal that turns an output on and off at a chosen rate :Alert Controller- Repeatedly flashes a pair ofLED's on and off: Variable Tone Generator- Produces tones with a wide range of frequencies. These tones could be set to musical notes. Astable 555 Timer IC
Signal Comparer- Compares the output of a sensor with a known voltage and switches an output on if it is greater :Analogue to Digital Converter- Produces a logic high or logic low output voltage when an input has reached a certain level. Op Amp Comparator
Light Sensor - Light Dependent Resistor (+ going voltage) Detects when it has become brighter or if it is light. LDR Light Sensor
Dark Sensor - Light Dependent Resistor (+ going voltage) Detects when it has become dimmer or if there is darkness LDR Dark Sensor
Timer/ Momentary Latch- Switches an output or process subsystem on for a short time and then back to off : Switch Debouncer- Removes the multiple pulses produced within a switch when it is operated. Monostable 555 Timer IC
Heat Sensor - Thermistor (+ going voltage) Senses when a rising temperature has reached a certain point Thermistor Heat Sensor
Water Sensor - Moisture Probe (+ going voltage) Measures the dampness of a material or senses water. Water Sensor
Touch Sensor (+ going voltage) Detects the touch of a finger. Touch Sensor
Angle Sensor - Potentiometer (+ going voltage) Indicates when something has turned through a required angle. Angle Sensor
Cold Sensor - Thermistor (+ going voltage) Senses when a falling temperature has decreased to a certain level. Thermistor Cold Sensor
Micro Switch - Non Latching (+ or - going voltage) Used to detect the opening, closing, pushing, pulling of an object. Micro Switch - non latching
Push to Break Switch - Non Latching (+ or - going voltage) Detects if something has been let go, a wire cut, or if an object has been removed. Push to Break Switch
Membrane Switch - Push to make (+ or - going voltage) Responds to being hit, pressed, walked on or detects an object being put into position. Push to Make Membrane
Key Switch - Latching (+ or - going voltage) Produces safety or security by the use of a key. Key Switch - latching
Slide Switch - Latching Type (+ or - going voltage) Operates when slid to the side. Slide Switch - latching
Tilt Switch - Non-Latching (+ or - going voltage) Detects something falling or leaning over. Tilt Switch - non latching
Magnetic Reed Switch - (+ or - going voltage) Triggered by a magnetic field avoiding the need for physical contact. Magnetic Reed Switch
Filament Lamp Use as an indicator to visually show that something has happened or to illuminate. Filament Lamp
Light Emitting Diode Use as a visual indicator to show if something is switched "on or off", or if something has happened. Light Emitting Diode LED
On/Off Flashing L.E.D.'s Flashes two LED's on and off alternately to get attention. LED Flashing Pair
Piezo Sounder (variable tone) Used to produce a wide range of quiet tones or musical notes. Piezo Sounder - variable tone
Buzzer (mechanical fixed tone) Produces a clear alerting/warning sound. Buzzer - fixed tone
Solenoid Use to make an electronic door lock or to move something linearly in and out. Solenoid
Electromagnet Picks up materials that are Ferrous using a magnetic field. Electromagnet
Electromagnetic Counter A counter that registers events or simply counts up when pulsed. Electromagnetic Counter
D.C.Motor 3 Volt Drives small low torque motors with "smoothing" against noise and protection from"Back emf". D.C. 3 Volt Motor
Miniature Loudspeaker 64 ohm (low power) Produces a wide range of clearly audible tones when supplied with a fast pulsing signal. -Requires P5 as a driver when connecting to the P7 astableLoudspeaker 64 ohm
D.C Motor 9-12 Volt Drives medium torque motors with "smoothing" against noise and protection from"Back emf". D.C. 9 -12 Volt Motor
Piezo Siren Alarm A siren which produces an ear piercing warbling sound. Piezo Siren Alarm
Relay (Double Pole Double throw D.P.D.T.) Allows seperate control of two different electrical circuits. It can switch circuits up to 5 amp/ 24volt. Relay - DPDT
Motor Reverser Changes the direction of rotation of a medium torque motor by the use of a relay. Motor Reverser Relay
Starting with an "Input", click the button to the left of the subsystem you require,
then click enter in the block diagram.
(NOTE: If a subsystem is highlighted/selectable, you can double-click it to learn more about it).