-Specification-
MCU: ESP32-S2FN4R2,X-ten-sa 32 bit LX7 Single-Core Processer
Frequency: 240MHz MAX
operating temperature: -40℃~+85℃
ROM: 128 KB
SRAM: 320 KB
FLASH ROM: 4 MB
PSRAM: 2 MB
WIFI: IEEE 802.11 b/g/n ,2.4Ghz
GPIO:19 available GPIO pins have been introduced
Peripheral functions:ADC,TOUCH,PWM,SPI,I2C,I2S,Pulse counter, RMT,TWAI Controller,SD/MMC,LCD_CAMERA
External crystal:40Mhz
Buzzer:8.5x8.5mm buzzer
LED:25 WS2812 rgb LED, single line GPIO control; 1 monochrome LED, controlled by GPIO0
Photosensitive sensor:2 photosensitive sensor
Thermistor sensor:1 thermistor sensor
IO:19 pins Goldfinger IO,19 pins contacts on the back
Key 2 programmable keys,1 BOOT key,1 Reset key
USB:USB Type-C interface,full speed USB OTG,USB-ACM
Operating voltage:3.3V
Power:USB Type-C input 5V,or Goldfinger IO input 3.3V power supply
Size :5 * 5 cm