i wanna make gps quided car with Arduino Uno R3. which gps shield, module and antenna may i buy?
i wanna make gps quided car with Arduino Uno R3. which gps shield, module and antenna may i buy?
Ah, okay, well the Uno can supply 50mA at 3.3V, how many mA does the module need?
If you connect the Tx of the module to the Rx of the Uno and DO NOTwire the Tx of the Uno to the Rx of the module, then the 5V Arduino will be able to read the 3.3v serial signal from the gps module. It will mean you have to take the default settings of the GPS module as far as baud rate etc goes. Its probably 9600 8N1 so you should be okay.
If you do decide you need to send data from the Uno to the GPS, you will have to use a level converter. Buts lets cross that bridge if we come to it 
Looks like it should be just okay 
Anything I haven't thought of anyone?
No problem. Please do post back - if they are any good, I'll probably get one too. 
Did you see the brushless quadcopter motors for $13 on that web page? Amazingly cheap.
