ESP32-A1S WIFI and Bluetooth module
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The ESP32-A1S is a compact and versatile module integrating WiFi and Bluetooth functionalities based on the ESP32 chipset. It is designed for applications requiring wireless connectivity, such as IoT devices, wearables, and smart home solutions. The module features a dual-core processor, advanced peripherals, and support for various communication protocols, making it suitable for a wide range of embedded projects.
Key Features:
- Dual-core 32-bit MCU (ESP32) running at up to 240MHz
- WiFi 802.11 b/g/n (2.4GHz) with integrated antenna
- Bluetooth v4.2 BR/EDR and BLE (Bluetooth Low Energy) support
- Ultra-low power consumption with various power modes
- Rich selection of GPIOs, peripherals, and interfaces (SPI, I2C, UART, ADC, DAC)
- Secure boot and flash encryption for data security
- Integrated TCP/IP protocol stack for internet connectivity
- Built-in temperature sensor and Hall effect sensor
- Compact size for easy integration into various applications
- Processor: ESP32-D0WDQ6 (dual-core Tensilica Xtensa LX6)
- WiFi Standards: 802.11 b/g/n (2.4GHz)
- Bluetooth Standards: Bluetooth v4.2 BR/EDR and BLE
- Operating Voltage: 3.0V to 3.6V (typical 3.3V)
- Operating Current: Average 80mA (varies with use case)
- GPIOs: 36 programmable GPIO pins
- Interfaces: SPI, I2C, UART, ADC, DAC, PWM
- Security Features: Secure boot, flash encryption
- Dimensions: Typically 18mm x 25.5mm x 3.1mm (varies by module variant)
- IoT devices and sensors
- Smart home automation
- Wearable devices
- Industrial automation
- Environmental monitoring
- Health and fitness trackers
- Wireless data acquisition systems
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment