Features / Specs
- Main IC: Espressif ESP32-C3FH4 (32-Bit RISC-V Single-Core Processor, Up to 160MHz)
- Flash Memory: 4MB
- ROM: 384kB
- SRAM: 400kB (16kB for Cache)
- SRAM in RTC: 8kB
- USB Connector Type: USB Type-C Female Socket
- Supply Voltage Range: 5VDC (USB Type-C Socket) / 3.3V – 6VDC (Pin Connection) / 3.3VDC (Pin Connection)
- ESP Chip Operating Voltage: 3.3VDC
- Available Peripherals: 2x UART / 1x I2C / 1x I2S / 1x SPI / 2x 12-bit SAR ADCs (6 Channels) / 15x GPIO Pins
- Number Of Pins: 16
- Pin Pitch: 2.54mm
- Dimensions: ~(18mm x 22.52mm x 4.1mm)
- Spacing Between Pin Rows (Pin Center to Center): ~15.24mm (Breadboard Compatible)
- WiFi Protocols: 802.11 b/g/n (1T1R mode with data rate up to 150 Mbps)
- Frequency Band: 2.4GHz (Supports 20MHz and 40Mhz Bandwidth)
- Wireless Network Modes: Station / SoftAP / SoftAP + Station / Promiscuous Mode
- Hardware Features: 22x Programmable GPIO’s / 3x SPI / 1x I2S / 2x UART / 1x I2C / LED PWM Controller (Up to 6 Channels) / etc
- WiFi Security: Secure Boot / Flash Encryption / 4k-bit OTP, up to 1792 bits for users / Cryptographic Hardware Acceleration
- Bluetooth Protocols: Bluetooth LE – Bluetooth 5, Bluetooth Mesh
- Power: Up to 20dBm
- Speeds: 125kbps / 500kbps / 1MBps / 2MBps
- Advertising Features: Advertising Extensions / Multiple Advertising Sets
- Other Features: Internal co-existence mechanism allowing WiFi and Bluetooth to share a single antenna