Perbedaan board ini dengan ESP32 tipe lain ialah penggunaan CH340 sebagai chip downloader sedangkan yang lain menggunakan CP210 series sehingga lebih murah namun performa tetap bagus
Perbedaan seri S dan seri E, seri S memiliki connector antenna sehingga kompatible dengan penambahan antenna external untuk memperkuat sinyal
This is the ESP32S-DEV development board based on ESP-WROOM-32, features WiFi+Bluetooth connectivity, onboard USB CH340 and keys. What's more, all the I/O pins of ESP-WROOM-32 module are accessible via the extension headers. The board has 2x19pin extension headers, which breakout all the I/O pins of the module and 2x keys, used as reset or user-defined. Quick Spec USB Chipset: CH340 WIFI module: ESP-WROOM-32 Built-in Flash: 32Mbit Antenna: Onboard PCB antenna Peripheral interface: UART/GPIO/ADC/DAC/SDIO/PWM/I2C/I2S WiFi protocol: IEEE 802.11 b/g/n Bluetooth: Bluetooth 4.2 Frequency range: 2.4G ~ 2.5G (2400M ~ 2483.5M) WIFI mode: Station / SoftAP / SoftAP+Station Power supply: 5V Logic level: 3.3V Dimensions: 48.26 x 25.4mm Weight: 0.01g