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avr - ATMEL STUDIO: avrdude.exe: ser_open(): can't open device - Electrical Engineering Stack Exchange
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Amazon.com: Compatible Atmel at AVR ISP MK2 MKII ATMEL AVR Programmer USB AVRISP XPII in-System Programmer Supports AVR Studio 4/5/6/7 (STK500 Without Adapter) : Electronics
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