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Technology Enhancement Programme
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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.
Miscellaneous Circuits (Part One)
From the Technology Enhancement Programme (TEP), these circuits allow students to build a range of devices. Each circuit has a full circuit diagram, component list and explanation of how the circuit works. In this section, the circuits cover a range of miscellaneous devices.
Light sensor
Circuit that will record on an electro-mechanical counter, the number of items that pass the sensor.
Automatic clothes line
A clothes line is constructed in such a way that part of it is sheltered by a canopy and the other section is exposed to the elements. In wet conditions the clothes may be brought under the shelter of the canopy, whereas in sunny conditions, they can be exposed to the sun.
Light chaser
10 LEDs switch on and off in sequence for a predetermined time. The array of LEDs can be arranged to portray movement.
LED dice
Circuit that will switch on a particular LED in the range one to six in a random fashion.
Heads or tails
Circuit with LEDs that can be used to simulate the toss of a coin.
Lottery predictor
Circuit is used to randomly select numbers between one and forty-nine.
7 segment display
Seven segment display that will display position at which rotary switch is set.
Pyramid display
A circuit that will produce a display of flashing LEDs in the following sequence: one LED is made to light, then two LEDs, three LEDs, and then four LEDs.
Traffic lights
Circuit that switches red, green and yellow LEDs on and off in sequence, similar to sequence of traffic lights.
Improved traffic lights
This circuit is designed to simulate traffic lights with the following sequence: red comes on for a certain time, followed by red and amber for a much shorter time, followed by green on for same time as red. Reverse is amber on for a short period and then returning to red.
10 bar LED driver
The circuit gives a visual record on the fluid level within a tank.
Bike indicators
Flashing LEDs attached to rear of the cycle that indicate in which direction the cyclist intends to turn.
For more resources on circuits please visit Miscellaneous Circuits (Part Two) and Miscellaneous Circuits (Part Three)
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Downloads
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Light sensor 25 KB
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Automatic clothes line 27.29 KB
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Light chaser 30.37 KB
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LED dice 31.52 KB
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Heads or tails 27.7 KB
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Lottery predictor 52.23 KB
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7 segment display 24.27 KB
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Pyramid display 30.11 KB
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Traffic lights 43.33 KB
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Improved traffic lights 43.31 KB
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10 bar LED driver 23.83 KB
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Bike indicators 32.45 KB
Show downloads
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Light sensor 25 KB -
Automatic clothes line 27.29 KB
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Light chaser 30.37 KB
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LED dice 31.52 KB
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Heads or tails 27.7 KB
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Lottery predictor 52.23 KB
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7 segment display 24.27 KB
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Pyramid display 30.11 KB
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Traffic lights 43.33 KB
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Improved traffic lights 43.31 KB
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10 bar LED driver 23.83 KB
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Bike indicators 32.45 KB
Download all files as a .zip329.38 KB
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