Hey, so i am writing a sketch for an rc car. I am using one of those cheap five dollar rf transmitter and receiver modules and am using virtual wire library in my sketch. I had gotten it to when i hit one of the four buttons, the remote control would…

Hi,  I am trying to learn about incorporating RF wireless transmission into projects.  I am relatively new to Arduino (which I would ultimately like to use in a project) though I have some experience with BASIC Stamp, however my questions are with the wireless…

I wish to build the Arduino ultrasonic receiver circuit in the attached photo.  The circuit is in the book Arduino Circuits & Projects Guide (http://www.amazon.com/gp/product/1907920250?psc=1&redirect=true&ref_=oh_aui_detailpage_o01_s03).  The…

I am trying to find a DIY way to wirelessly send an audio signal from my mp3 player to an amplifier.

Would the Arduino have the power/ability to handle this?

If so what *ALL* would I need to do this.

Any help would be greatly appreciated.

I have also attached…

I am working on a simple ir remote. I have made the transmitter using a 555 timer ic that transmits modulated ir light using an ir led. I am facing a problem with the receiver circuit. I have the following SM0038 ir receiver. The problem is that I don…

Hello everyone,

I need to use more relays on Arduino, so I bought the tinkerkit dmx receiver - relay, because it has 4 relays available.

The problem is that there are no instruction how to use it. Every manual present on the internet has no specifications…