Wallie

built by Mart van der Meer

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Target Environment Locomotion Method
Indoors 4 Legs
Sensors / Input Devices Actuators / Output Devices
2 microswitches Servos
Control Method Power Source
Autonomous Battery
CPU Type Operating System
Atmel AT90S1323-10PI None
Programming Lanuage Weight
C 120g (excluding battery)
Time to build Cost to build
Approximately 4 hours About $40
URL for more information
N/A
Comments
I built this robot in the last weeks I was working there for school and wanted to know how microcontrolers were programmed. Its build of 2 Futaba S3003 servos and 2 microswitches witch are held together bij tape. On the one side I sticked the proccessor print and on het other the battery. Its very easy to build and almost al the parts can be recycled for another project in the future, to make it low cost.

It will normaly walk streight and if something comes into its way it walks backwards for ą5 seconds, after that it returns its path forward. Time was to short to program it so it wold turn befor it goes forward again, maybe later.

Specifications

Height : 70 mm
Width : 160 mm
Length : 165 mm
Weigth incl. battery : 164 Gram
Frontleg swing angle : 2x 10 Degrees
Rearleg swing angle : 2x 35 Degrees
Power supply : 9 V

Parts used

1. 2 cheap servos
2.Atmel uC
3.Crystal 8MHz
4.Resistors : 5x 330
5. 7805 voltage transformer
6.Other : IC socket, 3 LEDīs, power switch

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