Robot Building Questions

Have Idea On Ezb To Save On Current

i see when i hook up the EZB it draws near 90 ma,to cut down on current like i did on the led you have draws 20 ma ,why not use a 2 ma led instead

Dj How Do I Hook Up To Brookstone Rover

i have a brookstone rover and have it connected in windows wireless what setup or changes do i make in ARC when i add brookstone rover movement pad and hit connect ,the light on rover still blinking ,meens not connected anything else i need to setup in ARC

Irbot Create Issues

Hi, i'm trying to get my Irobot Create working and my connection seems to be fine, it say connected buy when I try to make it go forward nothing happens, I've check my cord, it did actually work 1 time then I picked it up and I can't get it to work, any ideas. sojc_98

How To Pwer A Ez Camera From A Power Source

all you need is usb type a female breakout board and a 5 volt source,plus usb charging cable that comes with the camera here is a link to usb breakuot board for $6.95 ic shipping usb breakout board first link is usb 3.0 usb 2.0 breakout board this is the one i bought ,other dont know if will work on usb 2.0 type A USB MALE and its little cheaper at...

Arduino Infrared Module Kit As Table Top Edge Sensor?

in the video below i think the guy is using the arduino infrared module kit (link to ebay item below too) i wanted to see if anyone here know if we can use this kit as edge detection. so my wall-e doesn't fall of the table. in the video it shows that if even one sensor (either the transmitter or receiver ) go off the table the bot stops and...

Edge Detectors

I'm a newbie to the forum and just in the planning stage ( and gathering parts) for the OmniBot conversion. D.J. calls for a QR111D edge detectors. I can"t seem to find one online. Anyone know if there is an equivilent part (w/part number) available? Will any of the detectors from solorbotics work? Thanks in advance.

Colin's R2D2

Hello everyone! Straight from the cave comes the R2D2 build! I'll be posting video/photos as I can. Being a student they might be few and far between but everything I do will be documented in video and posted eventually! Thank you Bret for posting the eBay link, I never would have found this guy otherwise!

How To Use Hc-Sr04 Sensor As A Ping Sensor

its fairly easy using a pnp transistor and 10k resistor on the trigger pin you use a 10 k to gnd and then emitter tied to trigger pin ,collector gets v+ and base gets another 10 k tied to digital pin and the same digital pin tie the echo pin ,need to first pull digital pin high for more then 10 us and then low to read the echo bounce

Adc Ports

Hello. I am intending to use a total of 19 servo's in my robot. 1 servo to sweep the Ultrasonic pic sensor, and the other 18 servo's for the legs and movement of the robot. Ive read in the tutorial for connecting the ping sensor, that I will need to hook it up to 2 I/O ports. But with 19 servo's connected on the board, I would only have 1 digital...