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Paco

Posted on 12/03/2009 by noise0
Modified on: 13/09/2018
Project
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Introduction
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Use two motors with separate solar engines; rely on differential sensors to achieve a goal. Poppers are essentially just pairs of solar engines mounted together with motors; they seek out bright sources of light through the differential action of the two solar engine motor pairs.   Lenght: 5.3 cmWidth: 5 cmHeight: 4 cmWeight: 11 g  Components Qty   Cost 1/2 Solarbotics SCC3733 - 37 x 33mm Polycrystalline Solar Cell 7,30 EUR 1 Cap 1000 uF ...


Paco

Use two motors with separate solar engines; rely on differential sensors to achieve a goal. Poppers are essentially just pairs of solar engines mounted together with motors; they seek out bright sources of light through the differential action of the two solar engine motor pairs.

 

  • Lenght: 5.3 cm
  • Width: 5 cm
  • Height: 4 cm
  • Weight: 11 g

 

































Components

Qty   Cost
1/2 Solarbotics SCC3733 - 37 x 33mm Polycrystalline Solar Cell 7,30 EUR
1 Cap 1000 uF 1.00 EUR
2 Transistor PN3904 NPN 0,60 EUR
2 Transistor PN3906 PNP 0.60 EUR
2 LDR 07, ø 5 1,50 EUR
2 Voltage detector 1381 4,80 EUR
1 Trimmer 4,7K 0,50 EUR
2 Solarbotics Regular Pager Motor 2 12,40 EUR
    28,70 EUR



Schematic

Seeks light track

  • Actuators / output devices: 2x pager motor
  • Control method: 2x 1381 solar engine
  • Power source: 1/2 solar cell
  • Sensors / input devices: 2x LDR
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