Description Compared with ESP32, ESP32-S2 has more GPIOs, camera and display interface, supports RMT, USB-OTG, etc. But not has Bluetooth function. It is a much cheaper solution. More detailed compare guide please see here. Module includes: 8M bytes PSRAM 4M bytes FLASH SMD-42 package, size 31 x 18 x 3 mm 37 GPIOs FCC/CE/SRRC Power use: modem sleep 20mA / light sleep 1.4mA / deep sleep 20uA On board PCB antenna or alternative IPEX connector Pin definition, dimension please see here.
