The ESP8684-WROOM-04C is a general-purpose Wi-Fi and Bluetooth Low Energy (Bluetooth LE) module, featuring powerful functionality and a variety of peripheral interfaces. It is suitable for applications in smart homes, industrial automation, healthcare, consumer electronics, and more.
Based on the ESP8684 chip, the ESP8684-WROOM-04C is a vertically mounted module with 13 available GPIOs. These GPIOs can be flexibly configured via software for functions such as UART, SPI, I2C, LED PWM, and infrared control.
Performance:
- Core: 32-bit RISC-V single-core processor, frequency up to 120 MHz
- Memories:
- 576 KB ROM
- 272 KB SRAM
- 2 MB Flash memory
- Working Voltage: 3 V to 3.6 V
- GPIOs: Up to 13 GPIOs
- 2 strapping GPIOs
- 7 GPIOs are needed for flash/PSRAM
- ADC: 1× 12-bit ADC (up to 6 channels)
Communication Interfaces:
- 1× I2C interface
- 3× SPI interfaces
- 2× UART interfaces
Security:
- 1024-bit OTP
- AES, SHA, RSA, RNG
- Secure Boot, Flash Encryption, Digital Signature, HMAC module
Extended Temperature Range: -40 to 105 °C
Applications:
- General Low-Power IoT Sensor Hub
- General Low-Power IoT Data Logger
- USB Devices
- Voice Recognition
- Image Recognition
- Mesh Networking
- Home Automation
- Smart Buildings
- Industrial Automation
- Health/Medical/Care
- Wi-Fi Toys
- Wearable Electronics
- Retail & Catering
- Smart POS Applications