ESP32-C3-WROOM-02
ESP32-C3-WROOM-02 is a general-purpose Wi-Fi and Bluetooth LE module with rich peripherals and pin-to-pin compatibility with ESP-WROOM-02/02D modules. Ideal for smart home, industrial automation, healthcare, and consumer electronics.
18 × 20 mm
4MB
Flash
None
PSRAM
19
GPIO pins
18×20mm
Size
Specifications
Datasheet ↗Module
FamilyWROOM
Embedded chipESP32-C3
GPIO pins19
AntennaPCB antenna
Dev boardESP32-C3-DevKitC-02, ESP32-C3-Lyra
Operating temp-40°C ~ 85°C
Dimensions18 × 20 × 3.2 mm
Memory
Flash4 MB
PSRAMNone
Connectivity
Wi-Fi802.11 b/g/n (2.4 GHz)
Bluetooth5.0
BLE5.0
Module variants
2 variantsBase lowest-cost config Top highest spec High-temp extended temperature range
| Variant | Flash | PSRAM | Tags |
|---|---|---|---|
| ESP32-C3-WROOM-02-N4 | 4 MB | - | Base |
| ESP32-C3-WROOM-02-H4 | 4 MB | - | Top High-temp |
About the ESP32-C3-WROOM-02
ESP32-C3-WROOM-02 is a general-purpose Wi-Fi and Bluetooth LE module with rich peripherals and pin-to-pin compatibility with ESP-WROOM-02/02D modules.
- Size: 18 x 20 x 3.2 mm
- 2.4 GHz Wi-Fi and Bluetooth LE
- Rich set of peripherals
- Wide operating temperature range: -40°C ~ 85°C
- Integrated PCB antenna
- Ideal for smart home, industrial, and consumer electronics
The ESP32-C3-WROOM-02 module comes in two variants:
- ESP32-C3-WROOM-02-N4: This is the basic variant with 4MB of flash memory, suitable for most applications.
- ESP32-C3-WROOM-02-H4: This variant features 4MB of flash memory and is designed for high-temperature environments, making it ideal for industrial applications.
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