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) |