비교표

내용 ESP8266 ESP32
MCU Xtensa Single-core 32-bit L106 Xtensa Dual-Core 32-bit LX6 with 600 DMIPS
802.11 b/g/n Wi-Fi HT20 HT40
Bluetooth X Bluetooth 4.2 and BLE
Typical Frequency 80 MHz 160 MHz
SRAM X ✓
Flash X ✓
GPIO 17 36
Hardware /Software PWM None / 8 channels None / 16 channels
SPI/I2C/I2S/UART 2/1/2/2 4/2/2/2
ADC 10-bit 12-bit
CAN X ✓
Ethernet MAC Interface X ✓
Touch Sensor X ✓
Temperature Sensor X ✓(old versions)
Working Temperature -40ºC to 125ºC -40ºC to 125ºC
Hall effect sensor X ✓
Price $ (3$ – $6) ($6 – $12)

개발보드

  • ESP32 ESP32

  • ESP8266 ESP8266

REFERENCE