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This project has evolved some , the basic rundown is I'm modding two Omnibots , one a regular the other a larger 2000 model. I will have two ezb kits , rad base idea was thrown out because of so much noise but could go back on the table if the omnibot drivetrain is too weak to pull it.
By jstarne1
— Last update
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Yes a Asus mini itx is a great option, it draws less than 20 watts and has built in PSU so it just needs its 12v input ( pretty sure that's watt the act adapters rated for at voltage) it has built in WiFi , Bluetooth, hdmi, dual monitor support, ect. There's beefier versions but I wanted the best power for the wattage. The next step up 20 percent faster and has a larger heatsink. They are made to be home theater computers with recording capability, support for 4 data drives , 4gb ddr3 ram and even a PCI express x16 slot for a nicer video card , video capture or whatever. These boards have comparable performance to a 2ghz p4 mobile CPU for 1/4 the wattage and heat. Also it doesn't require enourmous amounts of air to cool because of the larger fanless heatsink.
Omnibot gets final bleaching , I used salon 40 lift peroxide and powdered beach mix together to make toothpaste type thickness or little thinner , hit with heatgun , set for 2 hours and then ran through dishwasher.Batteries are here today ! The drawer just so happened to fit one 7 ah battery with no mods. However in the future I would like two or three in the bot. Here's a pick of one and layout for two batteries. Two batt gives me 17ah @ 12v way more than original batt. I'm not worried about tracks till after I get this thing running and ESB in my hand.
I'll do measurements later but I believe a couple batteries could lay ontop of the gearbox as well. After measuring I found that cutting out the AA battery and fuse area on omnibot leaves me with a easy 4th place to mount a 12v 8.5ah battery. This juice hungry monster wouldn't be running to the charger anytime soon with 26ah of juice from four batteries, how crazy would that be! Excellent news is my battery guy gets me 3 batt for 19.99 name brand yusa New! So if anyone needs some lemme knowwyeah, i have an dual core ion for an HTPC right now. Those things work very well. What are you planning to run on it? Are you going to go with the SDK or ARC. I am really liking the added features DJ is putting in for I/O. That way you can leverage all the cool controls and easy scripting DJ has in ARC but also send/receive using the TELNET/Web interface. That opens you up to using programs like Autohotkey and Eventghost to automate other processes that are not currently in the ARC realm. For examply if you wanted to tie this into your caller ID system. you can do it and have your bot speak who is calling or read to you the latest news feeds when you ask it. Looks like you are moving along well with your project. Thanks for the connection on the batteries..I may take you up on that at some point.
Kevin
Thanks for feedback Kevin! Ironically I feel like I haven't done anything! Lol I cleaned the bot the last time so I'm ready for some cutting! My favorite tools are my Kawasaki and dremel brand rotary tools. Not only will this.be.a.robot but its gonna be my grove with.blueray player. I don't know anything about the interfaces yet but ARC sounds easier at first. I basically plan to put a nice touch screen fan controller in the chest and blueray drive but I need to trim up some plastic as I need another 2mm on each side to fit. I though about mounting drives on front of the.base above the.gearbox too but first things first! Mounting the motherboard upside down in the motor compartment and cutting the rectangle hole out of the insert behind the accessory door so I can flip up the acc door to cover pc connections when mobile/autonomous. I will only use super quiet rated. Fans , like 30 dba then ill use the fan controller to reduce their.voltage till they are 20 to 25 dba so I can't.hear fan buzzing as it cools ez board or.HTPC inside.
ASUS DELUXE HTPC MOBO FROM NEWEGG.COM
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131635R
PCI Express x16
SATA
Onboard Video Chipse
Wireless LAN
Bluetooth
PS/2
Video Ports
HDMI
USB 1.1/2.0
S/PDIF Out
Audio Ports
Onboard USB
Form Factor
Dimensions
Features
Learn more about the ASUS AT3IONT-I Deluxe
ASUS
AT3IONT-I Deluxe
Motherboard/CPU Combo
Intel Atom 330
Yes
Intel Atom
533MHz
NVIDIA ION
2×240pin
DDR3 1066/800
4GB
Dual Channel
1
4 x SATA 3.0Gb/s
NVIDIA ION
Realtek ALC887
6 Channels
10/100/1000Mbps
WiFi IEEE 802.11b/g/n
Yes
1
D-Sub
1 x HDMI
6 x USB 2.0
1 x Optical
1 x 2-CH RCA AUDIO 6 -Channel Audio I/O
2 x USB connectors support additional 4 USB ports
Mini ITX
6.7" x 6.7"
Intel Atom 330 on board Nvidia ION Graphics Processors Home Theater Gate WiFi 802.11b/g/n and BlueTooth Wireless on board DC on board Remote Controller & Receiver
@ KEVIN I plan on testing drive motors at 12v and then scaling them back with adjustable voltage controllers , I will turn it back from 12v till the motors are more quiet but still can pull the bot around fine. This voltage stepdown would reduce current draw over running it wide open at 12v. It would be nice to drop it to 5 to 6 volts but that really must be tested, lowering voltage is a proven way to lower sound and saves battery too
. At first I will use the omnibot drive which already runs at 6 volts maybe I can lower it to around 4 - 4.5v and the bot still scoot around fine.
@jstane1 Be careful driving the RAD motors at 12V. You don't want to burn them out. Stock they were driven at 6V. I am pushing 7.2V to them and they seem fine. Not sure I would drive them to 12V..maybe for testing. At 12V if they don't burn out, they will turn the gear box even in low gear very fast. Just a caution when you start testing. If you have another power source, you could check it out at 6-8V first before hooking up 12V. I would not want you to burn the motors out. I would probably say that is the same for the Omnibot motors too...especially if they were stock at 6V.
Good luck! Thanks for posting the specs on your mobo.
v/r
kevin