In-System Programming Connectors - Collin’s Lab Notes #adafruit #collinslabnotes

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A quick look at some common programming connectors you’re likely to encounter #adafruit #collinslabnotes
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I love Collins lab this dude got me into electronics years ago, like in 2011/12

buttersstotch
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You always have to be careful. If your target system only supplies 3.3 volts, but the programmer works with 5 volts. Especially because the VCC + pin is often connected.
I connected an Atmel Tiny85 to a Raspberry PI. To program the T85 over 6 pin ISP I have to separate it from the PI, otherwise I will destroy it.
With an 8 Mhz internal clock, the T85 works between 3 and 5 volts, but the PI is 3, 3 Volt only.

jensschroder
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