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York Jong

Making a Guitar String Touch Sensors - BEAM Wiki - 0 views

www.beam-wiki.org/...index.php

feeler robot sensor touch

shared by York Jong on 28 May 07 - Cached
  • I will go through the process of making a guitar string physical touch sensor.
York Jong

Pleo - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/Pleo

calebchung pleo robot toy

shared by York Jong on 09 Sep 07 - Cached
  • camera-based vision system (for light detection and navigation) two microphones, binaural hearing beat detection (allows pleo to dance and listen to music) - this feature was removed but may be added on again. eight touch sensors (head, chin, shoulders, back, feet) four foot switches (surface detection) fourteen force-feedback sensors, one per joint orientation tilt sensor for body position infrared mouth sensor for object detection into mouth infrared transmit and receive for communication with other Pleos Mini-USB port for online downloads SD card slot for Pleo add-ons infrared detection for external objects 32-bit Atmel ARM 7 microprocessor (main processor for Pleo) 32-bit NXP ARM 7 sub processor (camera system, audio input dedicated processor) four 8-bit processors (low-level motor control)
  • York Jong on 09 Sep 07
     
    Pleo is a robotic dinosaur, made for all ages, designed to emulate the appearance and behavior of a week-old baby Camarasaurus. It was designed by Caleb Chung, the co-creator of the Furby, and manufactured by Ugobe.
York Jong

Trossen Robotics Offers Pleo Preorder - 0 views

pleobot.com/...-robotics-offers-pleo-preorder

calebchung pleo robot toy

shared by York Jong on 12 Aug 07 - Cached
  • Pleo Technical Specs: Ugobe LifeOS 32 bit Atmel ARM 7 microprocessor - The main processor for Pleo 16 bit sub processor - The processor dedicated to the camera system (4) 8 bit processors that provide the low-level motor control for the servos (35) Sensors including a camera custom designed to fit into Pleo’s very compact body. (4) foot-switches to detect footfalls and being picked up - assists with spatial orientation. (12) capacitive touch sensors (4) legs, (4) feet, back, shoulder, head, chin (2) microphones for directional sound detection (14) “Force” sensors, one per servo, to recognize abuse through force feedback joints. Orientation/tilt sensor IR transceiver for bidirectional data communication with other Pleos. IR interrupter for detection of objects in Pleo’s mouth (14) motors. Standard low voltage DC motors (150) gears and clutches Rechargeable NiMH battery pack USB port with mini USB connector SD/MMC memory card slot
York Jong

Build this simple "electronic electroscope," a FET electrometer - 0 views

www.amasci.com/...chargdet.html

circuit electrometer electronics electrostatics fet mpf102

shared by York Jong on 30 May 07 - Cached
  • This simple circuit can detect the invisible fields of voltage which surround all electrified objects
  • ...9 more annotations...
  • The Gate acts as an antenna, so leave it unconnected.
  • The 1-meg resistor helps protect the FET from being harmed by any accidental sparks to its Gate lead. The circuit will work fine without this resistor. Just don't intentionally "zap" the Gate wire with a charged object or your charged finger.
  • To test the circuit, charge up a pen or a comb on your hair, then wave it close to the little "antenna" wire. The LED should go dark. When you remove the electrified pen or comb, the LED should light up again.
  • If you suspect that humidity is very high, test this by rubbing a balloon or a plastic object upon your arm. If the balloon does not attract your arm hairs, humidity is too high.
  • This FET sensor is not an ideal educational device because it responds differently to positive than to negative.
  • negative objects turn the LED off, it lights again when removed. positive objects make the LED bright, then dark when removed.
  • Obtain a small capacitor with a value below 100 picofarads. Connect it between the FET gate lead and one of the other FET leads (doesn't matter which one.) This greatly reduces the sensitivity of the device
  • Now make the circuit MORE sensitive. Obtain an alligator clip-lead, and connect it to the Gate lead of the FET. Let it hang loose without touching anything. You'll find that this has vastly increased the sensitivity of your FET circuit.
  • York Jong on 30 May 07
     
    This simple circuit can detect the invisible fields of voltage which surround all electrified objects. It acts as an electronic "electroscope.
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