I have tested the Mini Pro by messing around with the basic pin 13 blink program which does upload and seems to work fine. What am I missing? What other information can I provide that may help?
In the original post you sayQuoteI have tested the Mini Pro by messing around with the basic pin 13 blink program which does upload and seems to work fine. What am I missing? What other information can I provide that may help?Is that still the case? Could it be you just forgot to select the correct processor in the tools menu when you switched over from a UNO?
Some things I learned when I was trying to do the same thing a while ago:- RTS on the serial side gets connected to the RST (Reset) on the Pro Mini. On my USB converter this is up the side of the small PCB.- In the Windows Device Manager for the COM port, go to the Advanced Setting tab and make sure that "Set RTS on Close" is checked.For manual reset:- Start the download from the IDE- Hold down the reset on the Mini Pro- When the Tx/Rx light on the USB converter blinks the first time, let the reset go.The manual reset method works almost 100% of the time if you do it this way. The IDE will retry 3 times to establish connection and then give you the message you see.
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