-Specification-
MCU: ESP32-S2FN4R2X-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 2.4G hz
GPIO19 available GPIO pins have been introduced
Peripheral functionsADC, TOUCH, PWM, SPI, I2C, I2S, Pulse counter, RMT, TWAI Controller, SD/MMC, LCD_CAMERA
External crystal40Mhz
Buzzer 8.5 x 8.5 mm buzzer
LED25 WS2812 rgb LED, single line GPIO control; 1 monochrome LED, controlled by GPIO0
Photosensitive sensor2 photosensitive sensor
Thermistor sensor1 thermistor sensor
IO19 pins Goldfinger IO, 19 pins contacts on the back
Key 2 programmable keys, 1 BOOT key, 1 Reset key
USBUSB Type-C interfacefull speed USB OTG, USB-ACM
Operating voltage 3.3V
PowerUSB Type-C input 5Vor Goldfinger IO input 3.3V power supply
Size 5 * 5 cm