It looks remarkably like a clone of a Nano classic
It does look like a Nano clone with CH340. The main question though, is which microcontroller the board has.
We’ve been seeing 328PB, 168P and LG versions of Nano…
At least clean off the gunk on top of the chip with some isopropyl alcohol so we can see what the main chip says.
Could be just a smaller package of an ATmega328P(B) with a CH340 for USB-to-UART conversion. Which makes it an Arduino Nano compatible.
Thank you very much! just found out it says Nano 3 but it will not program!
Ment to add i am disabled so it is a bit difficult!
How are you trying to program it and what happens when you try ?
Does a new COM port get created when you plug the board into your PC ?
yes it shows com 3 and when i prog the board i get
avrdude: stk500_recv(): programmer is not responding
Did you try all options for "Processor"?
"not responding" could mean many things:
- Optifine bootloader not burned into the ATMega328
- traces broken between the USB-to-UART converter and the ATMega328
- ATMega328 itself broken
- ATMega328's clock source broken
Take a clear picture of the bottom. I suspect that it's a LGT (mentioned by @Brazilino).
And a clear picture of the square chip in the center on top (as requested by @maxgerhardt).
Thank you shall try you guys are most helpful! the chip you are talking about has paint on! will give feed back once i have cleaned it off!
You'll soon reach the point of diminishing returns. Throw it away and get a new one.
Where did you get it from? Saved from the bin? Or bought new Doesn't look like it in my opinion.
Paint either indicates that it was programmed in the past and one did not want people to know which microcontroller was involved or that it's a counterfeit microcontroller.
If it was programmed before, it might have been programmed over ICSP (the 6 pin header) and the bootloader is gone and you can't program it via USB till you restore the bootloader.
It looks just like this one which as a 328P on it.
If you push the reset button, does the LED blink 3 times?
I have a nano with the CH340 chip and I find it will only upload with the the old boot loader option as suggested in post #9.
G
I have several Nano v3 clones that will only work if "board" is set to " Genuino UNO", try that.
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