GBC counter
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2,249
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1:43
milling machine rotary table dividing head counterby quasiboy496,642 views- 0:25
Orinoco Flowby brdavis510,984 views
- 1:01
GBC train at BrickFest 2006by brdavis519,051 views
- 0:40
Lightning detector and electro mechanical counterby Jule553648518 views
- 2:44
Anemometer by Casella of Londonby Tricyklist2,133 views
- 0:32
Mechanical Counter Demo at the Science Museumby DVJR455 views
- 2:31
BrickFest 2006 GBCby brdavis513,132 views
- 0:21
Rack and pinionby dexterkid8237,263 views
- 1:42
Fascinating Civil War era Wooden Box Counter G. Westinghouseby RetroCalculators1,804 views
- 2:09
Godzilla vs mechagodzillaby mkvproductions1,347 views
- 1:06
Pascal Triangle with a Phun mechanical binary computerby ynceraj66,120 views
- 0:27
Star Wars AT-AT's in LEGO at Brickfest 2006by brickworkz9,847 views
- 0:42
Flip flopsby brdavis5207,561 views
- 0:22
Lego Eiffel Tower in Toys 'R Us in Parisby TheCobra140,604 views
- 2:59
GBC at LegoWorld 2005 #1by legomeistervideo2,833 views
- 2:50
GBC Loopby kmcclure4213,474 views
- 7:13
GBC Lego ball Factory pt1by lunchbox1473,232 views
- 0:41
Mos Eisley street raceby brdavis556,381 views
- 1:15
Lego Great Ball Contraption Counter GBC by Nico71by nico71240118,277 views
- 0:46
LEGO GBC Spiral Lift module レゴ スパイラルリフトby akiyuky67,150 views
really neat, but what does it do?
edison400 5 years ago
Each time a ball goes through, it briefly throws a LEGO polarity switch, which an attached RCX can detect. Whenever the RCX detects another ball running through the mechanism, it runs a motor briefly to increment a "odometer-like" detector. Voila', a ball-counter.
brdavis5 5 years ago