Vehicle/marine problems
An Electronic system to:-
- time the lights on a marine buoy
- alert a car driver when the road temperature falls below 0°C
- switch on the side lights of a car when darkness falls
- sound an alarm when someone attempts to break into a vehicle
- remind the driver that the headlights have been left switched on
- remind the driver that a passenger is not wearing a seat belt
- display the speed of the engine in a car or motorcycle
- replace the mechanical flasher unit in older cars
- vary the delay on windscreen wipers
Bicycle problems
An Electronic system to:-
- sound an alarm when someone attempts to steal a bicycle
- display the speed of a bicycle
Home security problems
An Electronic system to:-
- switch on an electric lamp when darkness falls
- switch on the front porch light of a house when darkness falls
- alert the occupier that there is someone at the front door
- alert a person who is hard of hearing that there is someone is at
the front door
- alert the occupiers that there is smoke in the home
- alert the occupier that there is fire in the home
- alert the occupier that there is an intruder
- protect a property against intruders
- sound an alarm when someone attempts to steal a pram
Domestic problems
An Electronic system to:-
- time how long food has been cooking for
- display the time that food has been cooking
- maintain the temperature of a tropical fish tank
- dispense food for animals
- maintain the temperature of hair curling tongs
- display the time of day
- sound an alarm at a preset time of day
- measure temperature and control cooling fan speed
- detect bath water level detector and sound an alarm (for a blind person)
Entertainment problems
An Electronic system to:-
- amplify the output from a portable CD/MP3/minidisk etc player to operate
a loudspeaker
- generate random numbers for playing board games
- determine which contestant in a quiz first knows the answer to a question
- increase the level of bass in an audio signal
- count the number of laps model racing cars have made around a race
circuit
- keep score for a cricket match
Music problems
An Electronic system to:-
- generate musical rhythms
- increase the strength of the output signal from an electric guitar
to operate a loudspeaker
- combine together several audio electronic signals
- help a musician keep in time
- help a musician tune a guitar
- produce interesting audio effects such as reverberation, fuzz, wahwah,
frequency division, envelope control, ring modulation
Test Equipment problems
An Electronic system to:-
- determine the state of charge of a battery
- charge a rechargable battery
- produce a loud, warning sound
- give a visual display of the output power of an audio amplifier
- measure the value of unmarked capacitors
- measure light intensity
- measure temperature
- determine whether there are any live mains cables embedded in a wall
- measure the pH of a solution
- measure reaction times
- display the logic state of a point in a digital circuit
- 74 Series Chip Tester
- 4000 Series Chip Tester
- capacitance meter
- sound level meter
Gardening problems
An Electronic system to:-
- deter snails and slugs from eating garden plants
- alert a gardener when the temperature falls below 0°C
- detect the presence of bats
- control the temperature of a greenhouse
- automatically water plants
- display the maximum and minimum temperature
- deter animals from the garden
Medical problems
An Electronic system to:-
- monitor the heart beat of a person
- monitor the temperature of a person
- sound an alarm when a baby stops breathing
Other problems
An Electronic system to:-
- produce a traffic light sequence
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Communication problems
An Electronic system to:-
- send data over an Infra Red link
- send data over an optical fibre link
- send data over a serial cable link
- convert serial digital signals to parallel digital signals
- convert parallel digital signals to serial digital signals
- display information on a small or large display board
- measure the signal strength transmitted by a mobile phone
- receive AM radio transmissions
- receive FM radio transmissions
Measurement Problems
An Electronic system to:-
- measure and record (using a computer) enviromental conditions
- measure and log (using a computer) tortoise hibernation temperatures
- accurately measure the value of an inductor
- accurately measure the value of a capacitor
- analyse the logic state of several digital signals
- display graphically the frequencies present within an audio signal
- digitally store waveforms for display on an oscilloscope
- measure the distortion introduced by an amplifier
- measure the impedance of a loudspeaker system
- measure and record (using a computer) rapidly changing signals
- measure and record (using a computer) very slowly changing signals
Music Problems
An Electronic system to:-
- control MIDI instruments
- generate musical rhythms using a computer
- generate musical sound effects by delaying an audio signal
Other Problems
An Electronic system to:-
- control a toy tank or robot
- control the speed of a motor
- control a servo motor
- display programmable messages
- control bike indicator lights
- chase lights (bug or mini robot)
- send signals
- decode Morse code
- preform simple calculations
- implelent a 4-bit computer
- keep score in sports events
- interface devices to computer ports
- provide a re-programmable remote control
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