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Arduino Prototype on Breadboard: “avrdude: stk500_recv(): programmer is not responding” [duplicate]

I have created an arduino prototype using the exact instructions found on this page: https://www.arduino.cc/en/Main/Standalone However, when I plug in the micro USB power supply and try to upload a ...
0
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1answer
221 views

Arduino LED lighting up when signal is reading low on multimeter

My code is designed to play a tone when ever pin 3 is high on my Arduino. When I am examine the pins voltage with a multimeter it is always reading below 1 volt. When I examined the voltage off of a ...
6
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4answers
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ATtiny85 minimum setup to blink led

What would be the (very) minimum schematic to make a ATtiny85 blink a led? Restrictions are: There must be a C program compiled and uploaded to it, just like an Arduino board would have. The code ...