ESP32, Arduino UNO, RaspberryPI 仕様比較

table:主なマイコンの仕様

ESP32 Adruino UNO Raspberry Pi 3B+

MPU Xtensa ATmega328P ARM Cortex-A53

MPU デュアルコア32bit, 240 MHz 8bit, 16MHz クアッドコア64bit, 1.4GHz

SRAM 520kB 2kB 1GB

Flash 4MB 32kB -

WiFi 802.11 b/g/n (2.4GHz) - 802.11 b/g/n/ac (2.4GHz, 5GHz)

Bluetooth 4.2 BR/EDR, BLE - 4.2 BR/EDR, BLE

I/F: GPIO ○ ○ ○

I/F: UART ○ ○ ○

I/F: SPI ○ ○ ○

I/F: I2C ○ ○ ○

I/F: I2S ○ - ○

I/F: PWM ○ ○ ○

I/F: ADC ○ ○ -

I/F: DAC ○ - -