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The ESP32-S is an Original ESP32 series module from Ai-Thinker. This wireless module based on ESP32, supports WiFi and Bluetooth 4.2, with built-in 32Mbit Flash, in the SMD38 package. There’re also an onboard PCB antenna and metal shield. In short, it’s a small form factor and a fairly high cost-effective wireless module.
Specifications
| Module Model | ESP32-S |
| Package/Case | SMD-38 |
| Custom IO Port | 22 |
| SPI Flash | Default 32Mbit |
| WIFI | 802.11 b/g/n/e/i |
| Bluetooth Version | 4.2 |
| Antenna Type | IPEX and PCB |
| Input Supply Range (VDC) | 3.0 ~ 3.6 |
| Transmit Power (dBm) | 802.11b: 17±2 dBm (@11Mbps) |
| Receiving Sensitivity | 54 Mbps (3/4 64-QAM): -70dBm |
| 6 Mbps (1/2 BPSK): -88dBm | |
| CCK, 1 Mbps : -90dBm | |
| CCK, 11 Mbps: -85dBm | |
| MCS7 (65 Mbps, 72.2 Mbps): -67dBm | |
| UART Baudrate | Default 115200 bps |
| Operating Temperature (°C) | -10 to 50 |
| Security | WPA/WPA2/WPA2-Enterprise/WPS |
| Length (mm) | 25.5 |
| Width (mm) | 18 |
| Height (mm) | 3.2 |
| Weight (gm) | 6 |
| Shipment Weight | 0.01 kg |
Features:
- The smallest 802.11b/g/n WiFi BT SoC Module
- Low power 32-bit CPU, can also serve the application processor
- Up to 160MHz clock speed，Summary computing power up to 600 DMIPS
- Overview built-in 520KB SRAM
- Supports UART/SPI/I2C/PWM/ADC/DAC
- SMD-38 package for easy welding
- Support for OpenOCD debugging interface
- Deep sleep current as low as 6.5μA
- Embedded Lwip and FreeRTOS
- Supports STA/AP/STA+AP operation mode
- Support Smart Config/AirKiss technology
- General AT commands can be used quickly
- Support for serial port local and remote firmware upgrades (FOTA)
Package Includes:
- 1 x Ai-Thinker ESP32-S WiFi+BT SoC Module
