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1  Using Arduino / General Electronics / Re: PL2303HX: converter module USB to RS232 on: October 15, 2013, 02:21:26 pm
what about the DTR pin thats required in the usual arduino ?
auto reset pin i guess.. with a 104 ceramic in series..

are you able to use the serial monitor ?
2  Using Arduino / Project Guidance / Re: Methods of wireless internet connection in remote locations. 3G or Dongle hack? on: September 02, 2013, 01:06:56 pm
http://www.circuitsathome.com/mcu/interfacing-arduino-to-usb-gprs-modem
3  Using Arduino / Networking, Protocols, and Devices / Re: RS232 to USB to UART Data Conversion on: July 29, 2013, 12:36:32 pm
is this possible ?

Arduino --> MAX232 --> USB female B ?
just skipping the FTDI chip ?
4  Using Arduino / General Electronics / Supply for handmade arduino on: January 19, 2013, 03:31:04 pm
im reciprocating the Arduino on a breadboard. i have a problem with the 5V supply. I hav visited dozens of forums and tried all the combinations of capacitors combined with 7805(for decoupling) IC that are shown in the images by various authors.

Why do we need to use for capacitors first of all ? All the combinations give an output little less than 5V. What to do ? I need 5V exact or a little above. i need the exact combination of capacitor values to obtain an exact 5V output across 7805.  smiley-confuse
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