The China Syndrome :

It was a dull night on the internet , so i was searching Ebay for cheap parts and found lots of mini servos for around $4 + or - .50c ,some  HC-SR04 sonar modules for around the same price , i also found some DC to DC converters for about $4. but they have not arrived yet :( (massive over kill for this bot ) so i am going with 3 AAs .well 4.5v from a power supply for developing the program .:)

So

6 ice cream sticks + wood glue

1 old tank treed set cut down to fit

2x modified mini servo " Mystery, Micro Servo, 9g, SD90"

note* you need leave the (trim pot ,pot meter ,potentiometer,) thing in the servo case . it is used as a axial for the gears and it will rotate all the way around  as is . then desolder the leads and replace the potentiometer with 2 x 330 ohm resistors ,  

1x HC-SR04  + 1 mini servo for panning

08m2

pin 0 ,,,Trig on HC-SR04  & pan servo   + 330 ohm in line

pin1 ....Nothing yet been moved to pin0        <<<<<<<<<<<<<<<<<<<<<<<, UPDATE 14 of January 2012

pin2,,,,, modified servo1   + 330 ohm

pin3 ,,,,Echo on HC-SR04

pin4,,,,,modified servo 2   + 330 ohm

power from out side power supply .no battery 

   210 BYTE out of 2028 ~ program -- lots of room left there ,,, the same basic avoid-er as my beginner bot , im getting the most out of this 08m2 and still keeping it as uncomplicated as i can .

This is the first "Robot " i have made with the Pic Axe 08m2, I'd like to make this a lot smaller.

there is more room for programing stuff , what else can i get this guy to do?, as he is, via programing

i hope you enjoyed seeing it thanks

UPDATE,,,,,,,,..... 11th of January 2012 ...........

LM2596 DC Step-Down Adjustable Converter Power Module

Features : 
This is high performance DC to DC Step Down Adjustable Power Supply Module
Based on well kwon LM2596 Switching Regulator.
Input voltage: 4.5-35V
Output Voltage: 1.25-30V (adjustable)
Output current: rated current 2A, maximum 3A (need to add heat sink),

If the output power greater than 15W, the proposed combined heat sink
Conversion efficiency: Up to 92% (output voltage higher, the higher the efficiency)
Switching Frequency: 150KHz
Rectifier: Non-Synchronous Rectification
Module Properties: Non-isolated step-down module (buck)
Short circuit protection: current limiting, since the recovery
Operating temperature: Industrial grade (-40 ℃ to +85 ℃) (output power 10W or less)
Full load temperature rise: 40 ℃
Voltage regulation: ± 0.5%
Load regulation: ± 0.5%
Dynamic response speed: 5% 200uS
Size: 49 H x 23.5L x 12.5 Wmm (with potentiometer)
Output ripple:
Input 24V Output 12V 3A 120mV (MAX)
Input 12V Output 5V 3A 60mV (MAX)

info via E-bay cut and pasted wo ho :)