A Simple React Calculator | Chip Explorer

USB Serial Terminal

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ATmega328P

Not connected — click Connect

Baud rate

Line end HEX

Quick Commands

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Click to send — works when connected

Custom command

Pin Monitor

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Live GPIO / ADC state

■ HIGH ■ LOW ■ ADC 10-bit

Flash / Upload

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Drop a compiled .hex file to flash via USB

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Click or drag .hex file here

Programmer

MCU

ATmega328P Quick Ref

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Architecture8-bit AVR RISC

Flash32 KB

SRAM2 KB

EEPROM1 KB

Max freq20 MHz

Supply1.8 – 5.5 V

GPIO pins23

ADC6 ch × 10-bit

PWM channels6

UART1 × (D0 / D1)

SPID10 – D13

I²CA4 / A5

↗ Open Official Datasheet PDF