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Fun Physics Demos
DaVinciPool
45 views
A small selection of novel demonstrations of basic physics and electronics. Technology made simple - in the home!
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Play-doh Car Game
DaVinciPool
37 views
A cheap R/C car is modified to be triggered by Play-doh (not Blu-tac as I keep saying in the clip!) How does it work? What was my modification? Not telling you, yet!
Thi...
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JK and D-type Flip Flops Demonstrated using Traffic Lights!
DaVinciPool
108 views
It's tricky to understand how flip-flops work, so this demonstration attempts to take a novel and light-hearted approach - using them as traffic-light controllers! Busy tr...
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Wiring up the 74LS93 4-bit Counter
DaVinciPool
309 views
Breadboard connection of the 74LS93 4-bit counter in Mod-16 and Mod-10 modes. Frequency division is demonstrated using a loudspeaker.
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Function Generator Quick How-to
DaVinciPool
243 views
Snappy driving lesson for a simple function generator, including the use of voltage offset and duty cycle (symmetry).
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Quick Oscilloscope How-to
DaVinciPool
262 views
Snappy overview of the controls and features of a simple oscilloscope. Trigger described with a ball-catch analogy.
(Many thanks to Yeo Gau Siong for his patient and stea...
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PlayDohTech.3gp
DaVinciPool
202 views
Three demonstrations using Play-Doh to make electric circuits... simple LED, switching on/off transistors and making music!
The interesting Play-Doh property of current sh...
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SchmittOsc.MP4
DaVinciPool
135 views
Adding a capacitor or resistor to a Schmitt trigger gate can make it into a pulse generator (also called an oscillator or astable multivibrator)
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SchmittMemory.MP4
DaVinciPool
75 views
See how just one Schmitt trigger logic gate remembers a logic "one" or "zero". A capacitor is used to keep the gate input voltage from changing.
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SchmittAction.MP4
DaVinciPool
214 views
Schmitt Trigger in action! A continuously variable input voltage is applied to a Schmitt trigger gate and the output is seen to switch crisply. The "hysteresis" (backlash...
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