Features / Specs
- Manufacturer: Ai Thinker (Genuine – purchased from Ai Thinker)
- Main Module: Ai Thinker Ai-WB-32S (Embedded Bouffalo Lab BL602 – 32-Bit RISC Single-Core Processor, Up to 192MHz)
- Flash Memory (External inside module): 32-Mbit (4-MB)
- ROM: 128kB
- SRAM: 276kB
- eFuse: 1kB
- USB to UART Interface IC: WCH CH340C (Up to 3Mbps) (Default Baud Rate: 115200 bps)
- USB Connector Type: USB Type-C Female Socket
- Supply Voltage (≥ 500mA): 5VDC (USB Type-C Socket) / 5VDC (Pin Connection) / 3.3VDC (Pin Connection)
- Module Operating Voltage: 3.3VDC
- On-Board Regulator: AMS1117-3.3 (Fixed 3.3V Version)
- Available Peripherals: UART / I2C / I2S / SPI / SDIO / PWM / ADC / DAC / GPIO / etc
- Indication LEDs: RGB LED (R: IO14, G: IO17, B: IO3)
- Operating Temperature Range: ~(-40℃ to +85℃)
- Module Certifications: CE / FCC
- Number Of Pins: 38
- Pin Pitch: 2.54mm
- Dimensions: ~(55.3mm x 25.6mm x 7.1mm)
- Spacing Between Pin Rows (Pin Centre to Centre): ~22.86mm (Breadboard Compatible)
- WiFi Protocols: 802.11 b/g/n (1T1R mode with data rate up to 72.2Mbps)
- Frequency Band: 2.4GHz (Supports 20MHz Bandwidth)
- Wireless Network Modes: Station + BLE / SoftAP + Station + BLE
- WiFi Security: WPS / WEP / WPA / WPA2 Personal / WPA2 Enterprise / WPA3 / Secure start-up / OTFAD / AES-128; AES-192; AES256 Encryption Engine / PKA
- Bluetooth Protocols: Bluetooth LE 5.0
- Output Power (Max): @ 1Mbps – 15dBm
- Speed(s): 1MBps
- Receive Sensitivity (Typical): 1Mbps @ 30.8% PER – -96dBm