Sensor bot
Completed sensor bot
Tutorial below
Acrylic base 5mm, The two holes were used for securing a ply jig and a wood router was used to profile the acrylic.
Holes drilled for the servos,casters and main cpu boards.
Placement of main CPU board
Paper removed from acrylic sheet.
Bluebell design co-processor board, The start of inserting components, Ic sockets and header pins.
Bluebells co_processor board, Underside.
Bluebells co_processor board, Mylar caps installed.
Bluebells co_processor board, Resistors installed.
Bluebells co-processor board, Electrolytic caps installed.
Bluebells co_processor board, Crystal and header blocks installed.
Parallax BS2P40 Demo board with stand off alloy brackets.
Parallax BS2P40 Demo board underside and alloy stand off brackets.
Parallax BS2P40 main board and BS2 syntax manual
Terminal blocks left for battery termination,and right Fuses. Also wire holders, These are the type found for house hold cables.
Two alloy brackets for holding the servos, Servos are continuous rotation type.
Parallax wheels with servo horn bolted through with the help of a bit of cyno glue.
LEGO Technics wheel glued onto the Parallax disc.
Wheels mounted to servos.
Next a set of casters that match the height of the bottom of the servo wheel so that when the base sits flat on a table there is NO rocking of the base.
Servos and casters mounted.
Close up of servos and casters, also black stand of's for the co-processor board.
Right side up and all mounted.
Co-processor board mounted.
Soldering LED wires to co-processor board.
Next we have fabricated an alloy bracket for the battery box which is fixed between the servos. The batteries are 2,500mah Enegizer recharghables.
Next we have to make a bumper, this is fabricated from 1mm alloy with a SQ LEGO 4x4 block glued to the back of bracket and it uses the hole through the center for the rod support.
These are our IRPD infra red distance sensors { Phillips ] Center one is the receiver and two outer ones are transmitters.
LEGO Technics parts used for the housing of the IRPD transmitters.
The sensors are a perfect fit into the Technic parts.
Receiver IRPD fitted center top, the four LEDS below are the headlights 8,000 MCD. [ Brightness]
This is my ping ultra sonic system with pan/tilt servos and Lynxmotion pan/tilt brackets, Ping from Parallax. 5mm acrylic base to mount pan/tilt on.
Side view of pan/tilt sensor.
Top view showing pan/tilt fitted to the front and co-processor board.
Front view of pan/tilt.
GD2P12 IR distance sensors and alloy brackets.
PIR [ passive infra red ] from Parallax and mounting bracket.
Bumpers and sensors in place.
Main BS2P40 Demo board and sensors in place.
Rear view of GD2P12 sensor.
Another rear view.
Scm [ servo control module ] top left and Emic speech processor mid left, most wiring now complete.
Battery pack for LED headlights [ blue ] Top right is a future add on, Line following circuit board.
Left view
Work completed to date
More to come
2007 © Robosapienv2-4mem8
