Questions tagged [arduinoisp]

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ArduinoISP external programmer produces verification error?

I am using an ArduinoISP external programmer to upload a sketch to an Arduino MEGA. I set the processor type to MEGA 2560, and use Ctrl-Shft-U to upload using a programmer. My programmer is set to ...
12
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3answers
54k views

When using Arduino Uno as ISP does “Yikes! Invalid device signature” mean a bad connection, bad config, or bad version of avrdude?

I'm using an Arduino UNO to program a pre-compiled hex image to an ATTINY45, using the avrdude in the Arduino IDE directory, on Windows 7. The Uno has the ISP sketch loaded from the examples directory ...
1
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1answer
643 views

Amforth on Arduino UNO

I'm having trouble with flashing amforth on my Arduino UNO. I'm using an Arduino as ISP to write amforth. Here's what I do: Upload the code on the Arduino programmer and set Baudrate to 19200 Wire ...