Circuit: Lightstorm

Dave Hrynkiw
July 12, 2007

(PDF Version) GIF Link
Some of you may have found the LightStorm Pummers that Mark Tilden has made using some neat looking plastics. We've built our own variation of the circuit, which is a dark-activated, quad-bicore pseudo-random chaos generated, dual pummer circuit.

Parts required are:

Dark Turn on Circuit

  • Solarcell (SB Part SC2433)
  • 1F 2.5V (SB Part CP1.0F) capacitor
  • 1 Germanium Diode (SB Part D2)
  • 100k Trimpot (SB Part RT100k)
  • 2n3904 transistor (SB Part TR3904)
  • 2n3906 transistor (SB Part TR3906)

Pummer Circuit

  • 74HCT240 (SB Part 74HCT240)
  • 2 x 1000uF Capacitor (SB Part CP1000)
  • 2 x UltraBright LEDs (SB Part UBLED-R)
  • 2 x 100k Resistors (SB Part 100k)
  • 2 x 22uF Capacitors (SB Part CP22)
  • 4 x 0.22uF Capacitors (SB Part CP0.22uF)
  • 2 x 2 MegaOhm Resistors (SB Part R2.0M)

Pummer Circuit

  • 74HCT240 (SB Part 74HCT240)
  • 8 x 2n3904 Transistors (SB Part TR3904)
  • 8 x CP0.22µF Capacitors (SB Part CP0.22uF)
  • 8 x 1k Resistors (SB Part R1k)
  • 2.2 MegaOhm Resistor (SB Part R2.2M)
  • 3 MegaOhm Resistor (SB Part R3M)
  • 3.3 MegaOhm Resistor (SB Part R3.3M)
  • 4.3 MegaOhm Resistor (SB Part R4.3M)

MORE POSTS

May 9, 2014
Solarbotics at MakerShed

Yeah, you got it: at the Bay Area Maker Faire, on May 17 and 18, 2014. With some exciting new stuff. It requires sun, balls and mice. And no, it is not a solar-powered feline. It is much better. (Note: mice mention was only for confusion purposes, I confess). In any case, whatever it is, […]

June 29, 2012
New Product Friday: Introducing the Mult...

Once a year, people from a nation usually take a day to celebrate their beloved country. While our crafty neighbors to the south get to call their day the impressive-sounding "INDEPENDENCE DAY", ours is called plain' ol' "Canada Day". Exotic it ain't, and whoever came up with that was lacking in the creativity department (Fun […]

December 10, 2002
New Distributors

Solarbotics would like to announce two new distributors, one in Italy, and the other in Mexico (who says robots aren't cool world-wide?): Robot-Italy is now our dealer out of the ancient city of Rome. We hope to visit them there one day! Our other new distributor is Robodacta, out of Mexico City. Another nice, warm, […]

September 13, 2005
Solarbotics Event Sponsorship

Brian Fields is heading up a new BEAM botting competition which Solarbotics is proud to be in association with. To borrow from the website: To enter this contest all you have to do is build the smallest robot you can in one of these three categories Turbot, Walker, or Photovore. This contest is much like […]

Solarbotics Ltd Logo
Solarbotics has been operating for more than 25 years, bringing electronics know-how and supplies to both the electronics professional and hobbyist. We'll be happy to help you too!

Solarbotics, Ltd. is not responsible for misprints or errors on product prices or information. For more information, please see our Terms and Conditions.

Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Please visit www.P65Warnings.ca.gov for more information. This item was manufactured prior to August 31, 2018.

cart