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Switched flashing LED

Switched flashing LED

The idea was to have two LEDs, one is flashing all the time and the other one joins in as long as a switch is pressed. The LEDs then flash alternating. The hardware is very straight forward.

http://members.home.nl/b.vandam/lonely/pagina3.html

Switched LED

Switched LED

Use a switch to change the signal on a port, and turn the LED on and of based on that signal. A simple on off switch done the difficult way.

http://members.home.nl/b.vandam/lonely/pagina2.html

Temperature/Brightness Reader (Logger)

Temperature/Brightness Reader (Logger)

http://www.geocities.com/dariuskrail20/Templite.html

The flashing virtual LED

The flashing virtual LED

This is a LED that does not really exist, it is in your imagination only. So how do you know wether this LED is on or off? By serial communication to the PC.

http://members.home.nl/b.vandam/lonely/pagina5.html

The plotter I built way back in high school

The plotter I built way back in high school

It all started 1986 with these stepper motors and interface that my older brother Markus built. He even suggested I build a plotter.

http://www.sentex.net/~mwandel/tech/plotter.html

Tilt Sensor

Tilt Sensor

http://members.home.nl/b.vandam/lonely/pagina51.html

Ultra Low Power LCD Indicator

Ultra Low Power LCD Indicator

This circuit serves as an ultra-low power replacement for multiple LED on-off indicators. It also has the advantage of being easy to read in full daylight.

http://www.solorb.com/elect/misc/lcdindic/

Ultrasonic Range Finder

Ultrasonic Range Finder

http://members.home.nl/b.vandam/lonely/pagina33.html

Ultrasonic Range Meter

Ultrasonic Range Meter

Measure the distance to an object within 25 cm to 8 meters using standard 40 kHz transducers. Takes around 20 samples per second.

http://www.techdesign.be/projects/008/008.htm

Video / Audio Wireless Transmitter

Video / Audio Wireless Transmitter

circuit diagram and project description.

http://www.ews.uiuc.edu/~nshin/PROJECTS/XMITTER/


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