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Test of unipolar steper driver
harvestarr
7 views
Just simple test of driving unipolar steper motor using CD4093 (as oscillator), CD4017 (johnson counter) and ULN2003AN (darlington array power section)
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Laser Show at BrmLab.cz (6am :-)
harvestarr
14 views
Work hard, Play hard! http://brmlab.cz/
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BrmTender (BrmLab Robotic Bartender) Finaly Working!
harvestarr
23 views
http://brmlab.cz/project/bartender
BrmTender is robotic system for dispensing beverages in brmlab hackerspace and now it's connected to the computer for the first time!
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BrmTender (Brmlab Robotic Bartender) Prototype
harvestarr
44 views
http://brmlab.cz/project/bartender
Robotic system for dispensing beverages
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HI-FI Optical Alarm (Worst Hack Ever!)
harvestarr
42 views
Simple alarm clock hacks:
1.) solder 3,5mm jack to internal piezo buzzer
2a.) connect it to your hifi to make alarm louder
2b.) connect it to some suitable transistor (eg....
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[LQ] DIY 3W LED Strobe (using cheap MR16 LED bulb)
harvestarr
126 views
1x 3W MR16 LED bulb from dealextreme ($4)
1x TIP132 power darlington transistor pair
1x 4093 oscillator (with adjustable duty cycle = short flashes once a while)
I had hal...
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[LQ] Karlovo náměstí - Bublifuková skulptura
harvestarr
18 views
Buble instalation on Charles Square in Prague...
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[LQ] Simple Laser Show: CMOS oscillator + MOSFET driven laser pointer
harvestarr
174 views
Laser pointer blinking fast at several different speeds.
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Huge lava lamp-like decoration in Eifell-like building in Paris
harvestarr
46 views
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Célébration de la fin de la vendange (Mersault, Bourgogne, France - 2011)
harvestarr
35 views
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