| Processor | ESP32-S3R8 |
| Xtensa LX7 dual-core, 32-bit processor that operates at up to 240 MHz |
| Wireless | Complete 2.4 GHz Wi-Fi subsystem |
| BLE: Bluetooth 5.0, Bluetooth mesh |
| Built-in Sensors | oV2640 camera sensor for 1600x1200 |
| Digital Microphone |
| Memory | On-chip 8 MB PSRAM & 8 MB Flash |
| Onboard SD Card Slot, supporting 32 GB FAT |
| lnterface | 1x UART, 1x I²C, 1x I²S, 1x SPI, 11x GPIOs (PWM), 9x ADC, 1x User LED, 1x Charge LED, 1x B2B Connector (with 2 additional GPIOs) |
| 1x Reset button, 1x Boot button |
| Dimensions | 21 x 17.5 x 15 mm (with expansion board) |
| Power | Input voltage (Type-C): 5 V |
| lnput voltage (BAT): 4.2 V |
| Circuit operating Voltage (ready to operate): |
| - Type-C: 5 V @ 38.3 mA |
| - BAT: 3.8 V @ 43.2 mA (with expansion board) |
| Webcam Web application: |
| Type-C: |
| - Average power consumption: 5 V/138 mA |
| - Photo moment: 5 V/341 mA |
| Battery: |
| - Average power consumption: 3.8 V/154 mA |
| - Photo moment: 3.8 V/304 mA |
| Microphone recording & SD card writing: |
| Type-C: |
| - Average power consumption: 5 V/46.5 mA |
| - Peak power consumption: 5 V/89.6 mA |
| Battery: |
| - Average power consumption: 3.8 V/54.4 mA |
| - Peak power consumption: 3.8 V/108 mA |
| Charging battery current: 100 mA |
| Low Power Consumption Model (Supply Power: 3.8 V) | Modem Sleep Model: ~44 mA |
| Light Sleep Model: ~5 mA |
| Deep Sleep Model: ~3 mA |
| Wi-Fi Enabled Power Consumption | Active Model: ~ 110 mA (with expansion board) |
| BLE Enabled Power Consumption | Active Model: ~ 102 mA (with expansion board) |
