
Espressif Systems ESP32-C3-WROOM-02 Wi-Fi® / BLE Module
Espressif Systems ESP32-C3-WROOM-02 Wi-Fi® / BLE Module provides a turnkey wireless connectivity solution for Internet of Things (IoT), wearable electronics, and smart home applications. The ESP32-C3-WROOM-02 is based on the ESP32-C3 Single-Core Wi-Fi and BLUETOOTH® LE 5.0 Microcontroller SoC (System on a Chip). This device includes an onboard PCB antenna and 4MB external SPI Flash memory.The Espressif Systems ESP32-C3-WROOM-02 Wi-Fi / BLE Module is offered in two variants. The ESP32-C3-WROOM-02-N4 has an 85°C maximum ambient operating temperature, and the ESP32-C3-WROOM-02-H4 has a 105°C maximum ambient operating temperature.
Features
- MCU
- ESP32-C3FH4 or ESP32-C3FN4 embedded, 32-bit RISC-V single-core processor, up to 160MHz
- 384KB ROM
- 400KB SRAM
- 8KB SRAM in RTC
- Wi-Fi
- IEEE 11 b/g/n-compliant
- 1T1R mode with data rate up to 150Mbps
- A-MPDU and A-MSDU aggregation
- 4µs guard interval
- 2412MHz to 2484MHz operating frequency
- Bluetooth
- Bluetooth LE: Bluetooth 5, Bluetooth mesh
- Speed: 125Kbps, 500Kbps, 1Mbps, 2Mbps
- Advertising extensions
- Multiple advertisement sets
- Channel selection algorithm #2
- Hardware
- Interfaces: GPIO, SPI, UART, I2C, I2S, remote control peripheral, LED PWM controller, general DMA controller, TWAI™ controller (compatible with ISO 11898-1), temperature sensor, SAR ADC
- 40MHz crystal oscillator
- 4MB SPI Flash
- 3.0V to 3.6V operating voltage
- Operating temperature range
- ESP32-C3-MINI-1-N4: -40 to +85°C
- ESP32-C3-MINI-1-H4: -40 to +105°C
- Dimensions: 13.2mm x 16.6mm x 2.4mm
- Test
- HTOL/HTSL/uHAST/TCT/ESD/Latch-up
Applications
- Smart Home
- Light control
- Smart buttons
- Smart plugs
- Indoor positioning
- Industrial automation
- Industrial robots
- Mesh networks
- Human Machine Interfaces (HMI)
- Industrial field bus
- Health care
- Health monitoring
- Baby monitoring
- Consumer electronics
- Smartwatches and bracelets
- Over-the-Top (OTT) devices
- Wi-Fi and Bluetooth speakers
- Logger toys and proximity sensing toys
- Smart agriculture
- Smart greenhouse
- Smart irrigation
- Agriculture robots
- Retail and catering
- POS machines
- Service robots
- Audio devices
- Internet music players
- Live streaming devices
- Internet radio players
- Low-power IoT sensor hubs
- Low-power IoT data loggers
Block Diagram

Package Outline

Published: 2021-02-25
| Updated: 2022-03-11