- ESP32-C3
- Basic variant
- 4MB flash
- High temperature variant
- 4MB flash
- ESP32-C3-WROOM-02U-N4: This is the basic variant with 4MB of flash memory, suitable for most applications.
- ESP32-C3-WROOM-02U-H4: This variant features 4MB of flash memory and is designed for high-temperature environments, making it ideal for industrial applications.
- Size: 18 x 14.3 x 3.2 mm
- 2.4 GHz Wi-Fi and Bluetooth LE
- Rich set of peripherals
- Wide operating temperature range: -40°C ~ 85°C
- IPEX antenna connector for external antennas
- Ideal for smart home, industrial, and consumer electronics
ESP32-C3-WROOM-02U
ESP32-C3-WROOM-02U is a Wi-Fi + Bluetooth LE MCU module with a single-core CPU, rich peripherals, and U.FL connector for external antenna. Ideal for smart homes, industrial automation, healthcare, and consumer electronics.
Embedded Chip(s):
ESP32-C3-WROOM-02U Module Variants
ESP32-C3-WROOM-02U-N4
Base Flash: 4 MB PSRAM
ESP32-C3-WROOM-02U-H4
Top Flash: 4 MB PSRAM 🔥 High Temp
The ESP32-C3-WROOM-02U module comes in two variants:
Note: Variants may have different features, flash sizes, and PSRAM configurations. Check the individual module pages for detailed specifications.
About ESP32-C3-WROOM-02U
ESP32-C3-WROOM-02U is a Wi-Fi + Bluetooth LE module based on ESP32-C3, featuring an IPEX antenna connector for flexible placement in smart home and industrial applications.
ESP32-C3-WROOM-02U Technical Specifications
🛰️ Connectivity
Antenna IPEX antenna connector
WiFi 802.11 b/g/n (2.4 GHz)
BLE 5.0
🧠 Microcontroller
GPIO Count 19
Flash Size 4 MB
PSRAM Size 0 MB
Operating Temperature -40°C ~ 85°C
ESP32-C3-WROOM-02U Dimensions
Width 18 mm
Length 14.3 mm
Height 3.2 mm