jelly
github.com / monostable
A jellyfish shaped light-following bristle bot
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Digikey
Digikey
Mouser
Mouser
RS
RS
Newark
Newark
Farnell
Farnell

Light-following Jellyfish Bristlebot

Update: I built one of these and it "works" but it seems to be more afraid of the light rather than following it. The tilt switch circuit does not seem to work and I will have to debug this.

This is a small light following robot that consists of a simple analog circuit and uses pager vibration motors and toothbrush heads as a form of locomotion. This was heavily inspired by Facelessloser's project but adds:

  • Jellyfishness (with the help of svg2mod)
  • Tilt switch so that it will turn on when turned over

You can buy most of the parts through the kitnic.it page but you will also need:

  • 2 Pager vibration motors
  • 1 Tilt switch
  • 2 Toothbrush heads
  • 2 Cable ties
 
ReferencesQtyDescriptionManufacturerMPNManufacturerMPNDigikeyMouserRSNewarkFarnell
LED2, LED125MM LED RedVishayTLHK5100751-1118-ND78TLHK5100818758033C13011328315
PHOTO1, PHOTO22Light dependant resistorParallaxNSL-19M51NSL-19M51-ND914671014J50503168335
Q3, Q2, Q13N-Channel MOSFET TranistorFairchild Semiconductor2N70002N7000FS-ND5122N7000671473358K96509845178
R11Resistor through-hole 1kVishayMBB02070C1001FC100TE ConnectivityLR1F1K0A105951CT-ND594MBB02070C1001FC114850695W78082614370
R31Resistor through-hole 100kVishayMBB02070C1003FC100TE ConnectivityLR1F100KA105945CT-ND594MBB02070C1003FC1125115695W78312614372
R4, R22Resistor through-hole 120 ohmsVishayMBB02070C1200FC100TE ConnectivityLR1F120RS120CACT-ND594MBB02070C1200FC1125115658K50882614377
RV1, RV22TrimpotTriwoodRM-0653306F-203-ND279416PA203M652431646F10868867046