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ATSAMD21 ATMEL START timer task/external interrupts not executing - driving me nuts!!!! | AVR Freaks
ATMEGA328P-PU Atmel | Atmel ATMEGA328P-PU, 8bit AVR Microcontroller, ATmega, 20MHz, 1 kB, 32 kB Flash, 28-Pin PDIP | 696-2260 | RS Components
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How to setup Atmel-ICE to program an ATmega328 on PlatformIO with VSCode on Windows 10 - PlatformIO Community
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