Instructables
Picture of Standalone Arduino UNO
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This is just a replica of my arduino UNO. They are easy to program, all you need to do is just connect RX TX GND Reset ----------------- So far I have made 6 of them lol which are currently being used by other projects.
romny1992 (author) 1 year ago
look how i connect them
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romny1992 (author) 1 year ago
all the pins are accessible.

i use them without problems look
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romny1992 (author) 1 year ago
sorry i forgot to put the part list lol


(1) Atmel 328p
(1) 5V regulator
(1) small PBC from radishack
(1) Red small LED
(1) Green small LED
(2) 10uf 35v Capacitor
(1) Push Button to reset it
(2) 22pF Ceramic Capacitor
(1) 100nF Ceramic Capacitor
(2) 510 Resistor
(1) 1K Resistor
(1) 16,000 Crystal
(23) Male Headers "wish i had Females, but i only had Males Available"
(1) terminal to connect power source.
romny1992 (author)  romny19921 year ago
there is another picture
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ishan5539 months ago

how to connect it to a pc to program it

i think u should add a usb soccet

list of components?
dvingale1 year ago
i built the same ckt , i have connected TX->RX, RX->TX, RST, 5v, Gnd as specified by you, i have removed the controller from uno board, i am using Arduino 1.5.5 ver IDE, arduino port checked its on com7, the boot loader is pre loaded for arduino....
when i hit upload i get the following error msg....
avrdude: stk500_getsync(): not in sync: resp=0x00
can you guide me on this pls ???
Ali051292 dvingale10 months ago

I had the same problem, but i solved it. Its very easy to solve it. When you have had uploaded the program to your arduino, under uploading just unplug or turn your arduino off, once you did it, the problem will be solved, and you can try again to upload the program with success :)

romny1992 (author) 1 year ago
@dvingale
Give me your email. I'll send you a video to guide you!
rohinrohin1 year ago
Good Tutorial! :D
I just had a question on how you program it using an Arduino Uno?
romny1992 (author)  rohinrohin1 year ago
It's easy just connect:

Arduino Uno-------------Stand alone arduino
Rx -------------------------> Tx
Tx -------------------------> Rx
Reset ---------------------> Reset
5V -------------------------> 5V
Gnd -----------------------> Gnd

Remember to remove your chip from the Original arduino UNO.
Otherwise it will not work.

http://arduino.cc/en/Tutorial/ArduinoToBreadboard
Hi !
If you have (like me) an arduino UNO SMD, you cant remove the original chip from the arduino :(... How can you program the standalone ATmega ? So solutions exist ?
You would not be able to program using an ARDUINO SMD. You would need to buy a USB-TTL adapter to upload the sketches to the standalone arduino, and a AVR Programmer to boot-load your atmega chip with the arduino firmware if your chip wasn't boot-loaded before(done only once).
pm me if you have any questions! :)
You would not be able to program using an ARDUINO SMD. You would need to buy a USB-TTL adapter to upload the sketches to the standalone arduino, and a AVR Programmer to boot-load your atmega chip with the arduino firmware if your chip was'wasn't programmed before(done only once).
pm me if you have any questions! :)
JesusGeek1 year ago
I could make this for under 5$ if I bought from tayda electronics, for those who are confused on this, look at the perfboard hackduino, search it!
romny1992 (author) 1 year ago
Second option is to get a:

USB 2.0 TO TTL UART, CP2102 (chipset) 6 PIN SERIAL CONVERTER MODULE.

If you don't feel comfortable removing your chip from your original arduino uno.

This is the link:
http://bit.ly/ZZm3mW
how about a parts list?
Cool! What did you use to build these?

GM