Robot Building Questions

Get Sound Out Of Mp3 Trigger

The power light to the mp3 is on but I do not get any sounds when I try to click through the sounds. I have a headset plugged into the mp3 and when I pull the jack back a little I hear white noise.I can hear the sounds on micro SD card when I play it on my computer.

Small Wireless Microphones?

Does anyone know of a microphone that is small enough to fit into a 3/4 inch space that has a fairly acceptable range? I'd like my robot to have sound detection. (P.S, the thing I'm looking for is a wireless USB mic)

Wtd: Ezb3 Camera

Anyone know where (or is selling) I can get a camera for Version 3 of the EZB controller? Or even a compatible camera? Just snagged a Version 3 EZB from a fellow forum member. Now looking for a camera to go with it... Thanks R

Ez Wireless Camera Usb Broken

2 days ago i received my ez robot, and today my Wireless Camera usb isnt working. It worked with my computer until today. Can i order a replacement or do i have to reorder a new Camera?

Datasheet Datasheet Datasheet.

I say it often enough... "what does the datasheet say?" or "look on the datasheet" But not everyone has the datasheets or knows where to find them so let's make it easy! Richie Rich's Datasheet Repository It's slowly being populated will be cleaned up where needed (I may even throw in some EZ-B connection schematics and...

Jd Humanoid Walking Video?

I remember reading somewhere that there was going to be a JD video soon showing his walking performance. Am I just crazy or was this actually stated?

Localised Sound

i was wondering if anyone had any knowledge of adding localised sound. Basically, i want my robot to know from what direction sound has come from

Hc-Sr04 Distance Sensor

What kind of radious do these sensors have? Do they identify objects from 1"-60" or did I read 1" - 16'? Thanks!

My Introduction

Hi, My name is John. I have been reading the posts every day now so I figured I should introduce myself. I am an electronics technician, I like to say I know enough about electronics to be dangerous I am working on a robotic arm that I have to say without my EZ b I would have gving up a long time ago. It's the one thing that I have come accross in...

How Do Nao's Hands Work?

I would like to know how NAO's hands work (if anyone knows). He only has 25 servos (one more than my robot) yet can independently open/close each hand. If anyone knows how, i would like to know! thanks. EDIT: What I'm asking is how one servo can operate two hands independently if all the other servos are used for his body movements.