[Chip solution]：ESP32-S3
[Operating frequency]： 2.4 GHz
[Communication distance]：200m
[Interface type]： UART I/O
[Support protocol]：802.11 b/g/n + BLE5.0
[Introduction]：ESP32-S3-WROOM-1 is a universal Wi-Fi + low-power Bluetooth dual-core wireless module, equipped with Espressif ESP32-S3 chip. In addition to rich peripheral interfaces, the module also has powerful neural network computing capabilities and signal processing capabilities, and is suitable for a variety of application scenarios in the AIoT field, such as wake word detection and voice command recognition, face detection and recognition, intelligent Home, smart appliances, smart control panels, smart speakers, etc. This dual-core Bluetooth WiFi module uses a PCB onboard antenna. Wi-Fi and Bluetooth coexist and share the same antenna.
Absolute maximum ratings
| Symbol | Parameter | Minimum value | Maximum value | Unit |
| VDD33 | Power pin voltage | –0.3 | 3.6 | V |
| TSTORE | storage temperature | –40 | 85 | °C |
Recommended working conditions
| Symbol | Parameter | Minimum value | Typical value | Maximum value | Unit |
| VDD33 | Power pin voltage | 3 | 3.3 | 3.6 | V |
| IVDD | Supply current from external power supply | 0.5 | — | — | A |
| T | Recommended operating temperature | –40 | — | 85 | °C |
| Humidity | humidity | — | 85 | — | %RH |
DC electrical characteristics (3.3V, 25℃)
| Symbol | Parameter | Minimum value | Typical value | Maximum value | Unit |
| CIN | Pin capacitance | — | 2 | — | pF |
| VIH | High level input voltage | 0.75×VDD1 | — | VDD1 + 0.3 | V |
| VIL | low level input voltage | –0.3 | — | 0.25×VDD1 | V |
| IIH | High level input current | — | — | 50 | nA |
| IIL | Low level input current | — | — | 50 | nA |
| VOH2 | High level output voltage | 0.8×VDD1 | — | — | V |
| VOL2 | Low level output voltage | — | — | 0.1×VDD1 | V |
| IOH | High level current source (VDD1= 3.3V,VOH>=2.64V,PAD_DRIVER=3) | — | 40 | — | mA |
| IOL | Low level current sink (VDD1=3.3 V, VOL=0.495 V, PAD_DRIVER=3) | — | 28 | — | mA |
| RP U | Internal weak pull-up resistor | — | 45 | — | kΩ |
| RP D | Internal weak pull-down resistor | — | 45 | — | kΩ |
| VIH_nRST | Chip reset release voltage (EN pin should meet the voltage range) | 0.75×VDD1 | — | VDD1 +0.3 | V |